新增黄金价格查看功能，通过定时任务每15分钟查询一次最新的黄金价格；修改账户余额和预算的修改位置。

1、新增ocr识别批量入库功能

src/main/java/com/accounting/config/K780Config.java

@@ -0,0 +1,15 @@
+package com.accounting.config;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Configuration;
+import lombok.Data;
+
+@Data
+@Configuration
+@ConfigurationProperties(prefix = "k780")
+public class K780Config {
+    private String apiUrl = "https://sapi.k780.com";
+    private String appKey = "78346";
+    private String sign = "1b502c535927b66d9b888a6d4701bf72";
+    private int timeout = 5000;
+}

src/main/java/com/accounting/config/RestTemplateConfig.java

@@ -0,0 +1,18 @@
+package com.accounting.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.client.SimpleClientHttpRequestFactory;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class RestTemplateConfig {
+    
+    @Bean
+    public RestTemplate restTemplate() {
+        SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();
+        factory.setConnectTimeout(5000);
+        factory.setReadTimeout(5000);
+        return new RestTemplate(factory);
+    }
+}

src/main/java/com/accounting/config/SchedulerConfig.java

@@ -0,0 +1,10 @@
+package com.accounting.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.annotation.EnableScheduling;
+
+@Configuration
+@EnableScheduling
+public class SchedulerConfig {
+}
+

src/main/java/com/accounting/config/SecurityConfig.java

@@ -35,6 +35,7 @@ public class SecurityConfig {
             .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
             .authorizeHttpRequests(auth -> auth
                 .requestMatchers("/api/auth/**").permitAll()
+                .requestMatchers("/api/gold-price/**").permitAll()
                 .requestMatchers("/doc.html", "/swagger-ui/**", "/v3/api-docs/**", "/webjars/**").permitAll()
                 .anyRequest().authenticated()
             )
@@ -56,10 +57,14 @@ public class SecurityConfig {
     @Bean
     public CorsConfigurationSource corsConfigurationSource() {
         CorsConfiguration configuration = new CorsConfiguration();
-        configuration.setAllowedOrigins(Arrays.asList("*"));
-        configuration.setAllowedMethods(Arrays.asList("GET", "POST", "PUT", "DELETE", "OPTIONS"));
+        // 允许你的前端域名访问，根据实际情况修改
+        configuration.setAllowedOrigins(Arrays.asList(
+            "https://accounting.aqroid.cn",
+            "http://localhost:5173"
+        ));
+        configuration.setAllowedMethods(Arrays.asList("GET", "POST", "PUT", "DELETE", "OPTIONS", "HEAD"));
         configuration.setAllowedHeaders(Arrays.asList("*"));
-        configuration.setAllowCredentials(false);
+        configuration.setAllowCredentials(true); // 允许携带认证信息
         configuration.setMaxAge(3600L);
         
         UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();

src/main/java/com/accounting/controller/AccountController.java

@@ -0,0 +1,65 @@
+package com.accounting.controller;
+
+import com.accounting.dto.AccountRequest;
+import com.accounting.dto.AccountResponse;
+import com.accounting.entity.User;
+import com.accounting.mapper.UserMapper;
+import com.accounting.service.AccountService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.web.bind.annotation.*;
+
+@Tag(name = "账户管理", description = "账户管理接口")
+@RestController
+@RequestMapping("/api/accounts")
+public class AccountController {
+    
+    @Autowired
+    private AccountService accountService;
+    
+    @Autowired
+    private UserMapper userMapper;
+    
+    @Operation(summary = "获取账户信息")
+    @GetMapping
+    public ResponseEntity<AccountResponse> getAccount(Authentication authentication) {
+        Long userId = getUserId(authentication);
+        AccountResponse response = accountService.getAccountBalance(userId);
+        return ResponseEntity.ok(response);
+    }
+    
+    @Operation(summary = "更新账户信息")
+    @PutMapping
+    public ResponseEntity<AccountResponse> updateAccount(
+            @RequestBody AccountRequest request,
+            Authentication authentication) {
+        Long userId = getUserId(authentication);
+        AccountResponse response = accountService.updateAccount(userId, request);
+        return ResponseEntity.ok(response);
+    }
+    
+    @Operation(summary = "更新账户余额")
+    @PutMapping("/balance")
+    public ResponseEntity<AccountResponse> updateAccountBalance(
+            @RequestBody AccountRequest request,
+            Authentication authentication) {
+        Long userId = getUserId(authentication);
+        AccountResponse response = accountService.updateAccountBalance(userId, request.getInitialBalance());
+        return ResponseEntity.ok(response);
+    }
+    
+    private Long getUserId(Authentication authentication) {
+        UserDetails userDetails = (UserDetails) authentication.getPrincipal();
+        String username = userDetails.getUsername();
+        User user = userMapper.selectOne(
+            new com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<User>()
+                .eq(User::getUsername, username)
+        );
+        return user != null ? user.getId() : null;
+    }
+}
+

src/main/java/com/accounting/controller/BillController.java

@@ -2,6 +2,7 @@ package com.accounting.controller;
 
 import com.accounting.dto.BillRequest;
 import com.accounting.dto.BillResponse;
+import com.accounting.dto.BatchBillRequest;
 import com.accounting.entity.User;
 import com.accounting.mapper.UserMapper;
 import com.accounting.service.BillService;
@@ -37,6 +38,14 @@ public class BillController {
         return ResponseEntity.ok(response);
     }
     
+    @Operation(summary = "批量创建账单")
+    @PostMapping("/batch")
+    public ResponseEntity<List<BillResponse>> createBills(@Valid @RequestBody BatchBillRequest request, Authentication authentication) {
+        Long userId = getUserId(authentication);
+        List<BillResponse> responses = billService.createBills(request, userId);
+        return ResponseEntity.ok(responses);
+    }
+    
     @Operation(summary = "更新账单")
     @PutMapping("/{id}")
     public ResponseEntity<BillResponse> updateBill(@PathVariable Long id, @Valid @RequestBody BillRequest request, Authentication authentication) {

src/main/java/com/accounting/controller/BudgetController.java

@@ -0,0 +1,80 @@
+package com.accounting.controller;
+
+import com.accounting.dto.BudgetRequest;
+import com.accounting.dto.BudgetResponse;
+import com.accounting.dto.BudgetSettlementResponse;
+import com.accounting.entity.User;
+import com.accounting.mapper.UserMapper;
+import com.accounting.service.BudgetService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.web.bind.annotation.*;
+
+import java.time.LocalDate;
+
+@Tag(name = "预算管理", description = "预算管理接口")
+@RestController
+@RequestMapping("/api/budgets")
+public class BudgetController {
+    
+    @Autowired
+    private BudgetService budgetService;
+    
+    @Autowired
+    private UserMapper userMapper;
+    
+    @Operation(summary = "获取当前月份的预算信息")
+    @GetMapping
+    public ResponseEntity<BudgetResponse> getBudget(Authentication authentication) {
+        Long userId = getUserId(authentication);
+        LocalDate today = LocalDate.now();
+        BudgetResponse response = budgetService.getBudgetWithStatistics(userId, today.getYear(), today.getMonthValue());
+        return ResponseEntity.ok(response);
+    }
+    
+    @Operation(summary = "获取上月预算结算信息")
+    @GetMapping("/settlement")
+    public ResponseEntity<BudgetSettlementResponse> getBudgetSettlement(Authentication authentication) {
+        Long userId = getUserId(authentication);
+        BudgetSettlementResponse response = budgetService.getLastMonthSettlement(userId);
+        return ResponseEntity.ok(response);
+    }
+    
+    @Operation(summary = "设置/更新预算")
+    @PutMapping
+    public ResponseEntity<BudgetResponse> setBudget(
+            @RequestBody BudgetRequest request,
+            Authentication authentication) {
+        Long userId = getUserId(authentication);
+        BudgetResponse response = budgetService.setBudget(userId, request);
+        return ResponseEntity.ok(response);
+    }
+    
+    @Operation(summary = "更新当前月份预算")
+    @PutMapping("/current")
+    public ResponseEntity<BudgetResponse> updateCurrentBudget(
+            @RequestBody BudgetRequest request,
+            Authentication authentication) {
+        Long userId = getUserId(authentication);
+        LocalDate today = LocalDate.now();
+        request.setYear(today.getYear());
+        request.setMonth(today.getMonthValue());
+        BudgetResponse response = budgetService.setBudget(userId, request);
+        return ResponseEntity.ok(response);
+    }
+    
+    private Long getUserId(Authentication authentication) {
+        UserDetails userDetails = (UserDetails) authentication.getPrincipal();
+        String username = userDetails.getUsername();
+        User user = userMapper.selectOne(
+            new com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<User>()
+                .eq(User::getUsername, username)
+        );
+        return user != null ? user.getId() : null;
+    }
+}
+

src/main/java/com/accounting/controller/GoldPriceController.java

@@ -0,0 +1,140 @@
+package com.accounting.controller;
+
+import com.accounting.dto.GoldPriceResponse;
+import com.accounting.service.GoldPriceService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@Tag(name = "黄金价格", description = "黄金价格查询接口")
+@RestController
+@RequestMapping("/api/gold-price")
+@RequiredArgsConstructor
+public class GoldPriceController {
+    
+    private final GoldPriceService goldPriceService;
+    
+    private static final String DEFAULT_GOLD_ID = "1053";
+    
+    @Operation(summary = "获取当前黄金价格")
+    @GetMapping("/current")
+    public ResponseEntity<Map<String, Object>> getCurrentPrice(
+            @RequestParam(required = false, defaultValue = DEFAULT_GOLD_ID) String goldId) {
+        try {
+            GoldPriceResponse data = goldPriceService.getCurrentPrice(goldId);
+            Map<String, Object> response = new HashMap<>();
+            response.put("code", 200);
+            if (data == null) {
+                response.put("message", "暂无黄金价格数据，请稍后再试");
+                response.put("data", null);
+            } else {
+                response.put("message", "success");
+                response.put("data", data);
+            }
+            return ResponseEntity.ok(response);
+        } catch (Exception e) {
+            Map<String, Object> response = new HashMap<>();
+            response.put("code", 500);
+            response.put("message", e.getMessage());
+            response.put("data", null);
+            return ResponseEntity.ok(response);
+        }
+    }
+    
+    @Operation(summary = "获取历史黄金价格")
+    @GetMapping("/history")
+    public ResponseEntity<Map<String, Object>> getHistoryPrices(
+            @RequestParam(required = false, defaultValue = DEFAULT_GOLD_ID) String goldId,
+            @RequestParam(required = false, defaultValue = "30") Integer days) {
+        try {
+            List<GoldPriceResponse> data = goldPriceService.getHistoryPrices(goldId, days);
+            Map<String, Object> response = new HashMap<>();
+            response.put("code", 200);
+            response.put("message", "success");
+            response.put("data", data);
+            return ResponseEntity.ok(response);
+        } catch (Exception e) {
+            Map<String, Object> response = new HashMap<>();
+            response.put("code", 500);
+            response.put("message", e.getMessage());
+            response.put("data", null);
+            return ResponseEntity.ok(response);
+        }
+    }
+    
+    @Operation(summary = "获取指定日期的黄金价格记录")
+    @GetMapping("/by-date")
+    public ResponseEntity<Map<String, Object>> getPricesByDate(
+            @RequestParam(required = false, defaultValue = DEFAULT_GOLD_ID) String goldId,
+            @RequestParam(required = true) String date) {
+        try {
+            LocalDate localDate = LocalDate.parse(date, DateTimeFormatter.ofPattern("yyyy-MM-dd"));
+            List<GoldPriceResponse> data = goldPriceService.getPricesByDate(goldId, localDate);
+            Map<String, Object> response = new HashMap<>();
+            response.put("code", 200);
+            response.put("message", "success");
+            response.put("data", data);
+            return ResponseEntity.ok(response);
+        } catch (Exception e) {
+            Map<String, Object> response = new HashMap<>();
+            response.put("code", 500);
+            response.put("message", e.getMessage());
+            response.put("data", null);
+            return ResponseEntity.ok(response);
+        }
+    }
+    
+    @Operation(summary = "获取最近有数据的日期")
+    @GetMapping("/latest-date")
+    public ResponseEntity<Map<String, Object>> getLatestDate(
+            @RequestParam(required = false, defaultValue = DEFAULT_GOLD_ID) String goldId) {
+        try {
+            LocalDate latestDate = goldPriceService.getLatestDate(goldId);
+            Map<String, Object> response = new HashMap<>();
+            response.put("code", 200);
+            response.put("message", "success");
+            if (latestDate != null) {
+                response.put("data", latestDate.format(DateTimeFormatter.ofPattern("yyyy-MM-dd")));
+            } else {
+                response.put("data", null);
+            }
+            return ResponseEntity.ok(response);
+        } catch (Exception e) {
+            Map<String, Object> response = new HashMap<>();
+            response.put("code", 500);
+            response.put("message", e.getMessage());
+            response.put("data", null);
+            return ResponseEntity.ok(response);
+        }
+    }
+    
+    @Operation(summary = "立即刷新黄金价格")
+    @PostMapping("/refresh")
+    public ResponseEntity<Map<String, Object>> refreshPrice(
+            @RequestParam(required = false, defaultValue = DEFAULT_GOLD_ID) String goldId) {
+        try {
+            goldPriceService.refreshCurrentPrice(goldId);
+            // 刷新后返回最新的价格
+            GoldPriceResponse data = goldPriceService.getCurrentPrice(goldId);
+            Map<String, Object> response = new HashMap<>();
+            response.put("code", 200);
+            response.put("message", "刷新成功");
+            response.put("data", data);
+            return ResponseEntity.ok(response);
+        } catch (Exception e) {
+            Map<String, Object> response = new HashMap<>();
+            response.put("code", 500);
+            response.put("message", e.getMessage());
+            response.put("data", null);
+            return ResponseEntity.ok(response);
+        }
+    }
+}

src/main/java/com/accounting/dto/AccountRequest.java

@@ -0,0 +1,13 @@
+package com.accounting.dto;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+
+@Data
+public class AccountRequest {
+    private String name;
+    
+    private BigDecimal initialBalance;
+}
+

src/main/java/com/accounting/dto/AccountResponse.java

@@ -0,0 +1,26 @@
+package com.accounting.dto;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+@Data
+public class AccountResponse {
+    private Long id;
+    
+    private String name;
+    
+    private BigDecimal initialBalance;
+    
+    private BigDecimal balance; // 计算后的余额（初始余额 + 收入 - 支出）
+    
+    private BigDecimal totalIncome; // 总收入
+    
+    private BigDecimal totalExpense; // 总支出
+    
+    private LocalDateTime createTime;
+    
+    private LocalDateTime updateTime;
+}
+

src/main/java/com/accounting/dto/BatchBillRequest.java

@@ -0,0 +1,19 @@
+package com.accounting.dto;
+
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.NotEmpty;
+import java.util.List;
+
+public class BatchBillRequest {
+    @NotEmpty(message = "账单列表不能为空")
+    @Valid
+    private List<BillRequest> bills;
+
+    public List<BillRequest> getBills() {
+        return bills;
+    }
+
+    public void setBills(List<BillRequest> bills) {
+        this.bills = bills;
+    }
+}

src/main/java/com/accounting/dto/BudgetRequest.java

@@ -0,0 +1,15 @@
+package com.accounting.dto;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+
+@Data
+public class BudgetRequest {
+    private Integer year;
+    
+    private Integer month;
+    
+    private BigDecimal amount;
+}
+

src/main/java/com/accounting/dto/BudgetResponse.java

@@ -0,0 +1,23 @@
+package com.accounting.dto;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+
+@Data
+public class BudgetResponse {
+    private Long id;
+    
+    private Integer year;
+    
+    private Integer month;
+    
+    private BigDecimal amount; // 预算金额
+    
+    private BigDecimal usedAmount; // 已用金额（本月支出）
+    
+    private BigDecimal remainingAmount; // 剩余预算
+    
+    private BigDecimal remainingDaily; // 剩余日均
+}
+

src/main/java/com/accounting/dto/BudgetSettlementResponse.java

@@ -0,0 +1,23 @@
+package com.accounting.dto;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+
+@Data
+public class BudgetSettlementResponse {
+    private Integer year; // 年份
+    
+    private Integer month; // 月份
+    
+    private BigDecimal budgetAmount; // 预算金额
+    
+    private BigDecimal actualExpense; // 实际支出
+    
+    private Boolean isOverBudget; // 是否超支
+    
+    private BigDecimal overAmount; // 超支金额（如果超支）
+    
+    private BigDecimal completionRate; // 完成率（实际支出/预算金额，如果预算为0则为null）
+}
+

src/main/java/com/accounting/dto/GoldPriceResponse.java

@@ -0,0 +1,30 @@
+package com.accounting.dto;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+
+@Data
+public class GoldPriceResponse {
+    private String goldId;
+    
+    private String goldName;
+    
+    private BigDecimal price;
+    
+    private BigDecimal priceChange;
+    
+    private BigDecimal priceChangePercent;
+    
+    private BigDecimal highPrice;
+    
+    private BigDecimal lowPrice;
+    
+    private BigDecimal openPrice;
+    
+    private BigDecimal yesterdayClose;
+    
+    private String updateTime;
+    
+    private String priceDate;
+}

src/main/java/com/accounting/dto/K780Response.java

@@ -0,0 +1,16 @@
+package com.accounting.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+@Data
+public class K780Response {
+    @JsonProperty("success")
+    private String success;
+    
+    @JsonProperty("result")
+    private K780Result result;
+    
+    @JsonProperty("msg")
+    private String message;
+}

src/main/java/com/accounting/dto/K780Result.java

@@ -0,0 +1,60 @@
+package com.accounting.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.util.Map;
+
+@Data
+public class K780Result {
+    @JsonProperty("dtQuery")
+    private String dtQuery;
+    
+    @JsonProperty("dtCount")
+    private String dtCount;
+    
+    @JsonProperty("dtList")
+    private Map<String, GoldPriceData> dtList;
+    
+    @Data
+    public static class GoldPriceData {
+        @JsonProperty("goldid")
+        private String goldId;
+        
+        @JsonProperty("variety")
+        private String variety;
+        
+        @JsonProperty("varietynm")
+        private String varietynm;
+        
+        @JsonProperty("last_price")
+        private String lastPrice;
+        
+        @JsonProperty("buy_price")
+        private String buyPrice;
+        
+        @JsonProperty("sell_price")
+        private String sellPrice;
+        
+        @JsonProperty("open_price")
+        private String openPrice;
+        
+        @JsonProperty("yesy_price")
+        private String yesyPrice;
+        
+        @JsonProperty("high_price")
+        private String highPrice;
+        
+        @JsonProperty("low_price")
+        private String lowPrice;
+        
+        @JsonProperty("change_price")
+        private String changePrice;
+        
+        @JsonProperty("change_margin")
+        private String changeMargin;
+        
+        @JsonProperty("uptime")
+        private String uptime;
+    }
+}

src/main/java/com/accounting/entity/Account.java

@@ -0,0 +1,27 @@
+package com.accounting.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+@Data
+@TableName("account")
+public class Account {
+    @TableId(type = IdType.AUTO)
+    private Long id;
+    
+    private Long userId;
+    
+    private String name;
+    
+    private BigDecimal initialBalance;
+    
+    private LocalDateTime createTime;
+    
+    private LocalDateTime updateTime;
+}
+

src/main/java/com/accounting/entity/Bill.java

@@ -17,6 +17,8 @@ public class Bill {
     
     private Long userId;
     
+    private Long accountId;
+    
     private Long categoryId;
     
     private BigDecimal amount;

src/main/java/com/accounting/entity/Budget.java

@@ -0,0 +1,29 @@
+package com.accounting.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+@Data
+@TableName("budget")
+public class Budget {
+    @TableId(type = IdType.AUTO)
+    private Long id;
+    
+    private Long userId;
+    
+    private Integer year;
+    
+    private Integer month;
+    
+    private BigDecimal amount;
+    
+    private LocalDateTime createTime;
+    
+    private LocalDateTime updateTime;
+}
+

src/main/java/com/accounting/entity/GoldPrice.java

@@ -0,0 +1,41 @@
+package com.accounting.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+
+@Data
+@TableName("gold_price")
+public class GoldPrice {
+    @TableId(type = IdType.AUTO)
+    private Long id;
+    
+    private String goldId;
+    
+    private String goldName;
+    
+    private BigDecimal price;
+    
+    private BigDecimal priceChange;
+    
+    private BigDecimal priceChangePercent;
+    
+    private BigDecimal highPrice;
+    
+    private BigDecimal lowPrice;
+    
+    private BigDecimal openPrice;
+    
+    private BigDecimal yesterdayClose;
+    
+    private LocalDateTime updateTime;
+    
+    private LocalDate priceDate;
+    
+    private LocalDateTime createTime;
+}

src/main/java/com/accounting/mapper/AccountMapper.java

@@ -0,0 +1,10 @@
+package com.accounting.mapper;
+
+import com.accounting.entity.Account;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface AccountMapper extends BaseMapper<Account> {
+}
+

src/main/java/com/accounting/mapper/BudgetMapper.java

@@ -0,0 +1,10 @@
+package com.accounting.mapper;
+
+import com.accounting.entity.Budget;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface BudgetMapper extends BaseMapper<Budget> {
+}
+

src/main/java/com/accounting/mapper/GoldPriceMapper.java

@@ -0,0 +1,23 @@
+package com.accounting.mapper;
+
+import com.accounting.entity.GoldPrice;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import java.time.LocalDate;
+import java.util.List;
+
+@Mapper
+public interface GoldPriceMapper extends BaseMapper<GoldPrice> {
+    
+    @Select("SELECT * FROM gold_price WHERE gold_id = #{goldId} ORDER BY price_date DESC LIMIT #{limit}")
+    List<GoldPrice> selectHistoryByGoldId(@Param("goldId") String goldId, @Param("limit") Integer limit);
+    
+    @Select("SELECT * FROM gold_price WHERE gold_id = #{goldId} AND price_date = #{date} ORDER BY update_time ASC")
+    List<GoldPrice> selectByDate(@Param("goldId") String goldId, @Param("date") LocalDate date);
+    
+    @Select("SELECT MAX(price_date) FROM gold_price WHERE gold_id = #{goldId}")
+    LocalDate selectLatestDate(@Param("goldId") String goldId);
+}

src/main/java/com/accounting/schedule/GoldPriceScheduler.java

@@ -0,0 +1,33 @@
+package com.accounting.schedule;
+
+import com.accounting.service.GoldPriceService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class GoldPriceScheduler {
+
+    private static final String DEFAULT_GOLD_ID = "1053";
+
+    private final GoldPriceService goldPriceService;
+
+    @Scheduled(cron = "0 */15 * * * ?", zone = "Asia/Shanghai")
+    public void fetchPeriodicPrice() {
+        runJob("periodic");
+    }
+
+    private void runJob(String tag) {
+        try {
+            log.info("Gold price scheduled job [{}] start", tag);
+            goldPriceService.refreshCurrentPrice(DEFAULT_GOLD_ID);
+            log.info("Gold price scheduled job [{}] success", tag);
+        } catch (Exception e) {
+            log.error("Gold price scheduled job [{}] failed", tag, e);
+        }
+    }
+}
+

src/main/java/com/accounting/service/AccountService.java

@@ -0,0 +1,161 @@
+package com.accounting.service;
+
+import com.accounting.dto.AccountRequest;
+import com.accounting.dto.AccountResponse;
+import com.accounting.entity.Account;
+import com.accounting.entity.Bill;
+import com.accounting.mapper.AccountMapper;
+import com.accounting.mapper.BillMapper;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+@Service
+public class AccountService {
+    
+    @Autowired
+    private AccountMapper accountMapper;
+    
+    @Autowired
+    private BillMapper billMapper;
+    
+    /**
+     * 获取或创建用户账户（如果不存在则创建默认账户）
+     */
+    @Transactional
+    public Account getOrCreateAccount(Long userId) {
+        Account account = accountMapper.selectOne(
+            new LambdaQueryWrapper<Account>()
+                .eq(Account::getUserId, userId)
+        );
+        
+        if (account == null) {
+            account = new Account();
+            account.setUserId(userId);
+            account.setName("默认账户");
+            account.setInitialBalance(BigDecimal.ZERO);
+            accountMapper.insert(account);
+        }
+        
+        return account;
+    }
+    
+    /**
+     * 获取用户账户
+     */
+    public Account getAccount(Long userId) {
+        return accountMapper.selectOne(
+            new LambdaQueryWrapper<Account>()
+                .eq(Account::getUserId, userId)
+        );
+    }
+    
+    /**
+     * 更新账户信息（主要是初始余额）
+     */
+    @Transactional
+    public AccountResponse updateAccount(Long userId, AccountRequest request) {
+        Account account = getOrCreateAccount(userId);
+        
+        if (request.getName() != null) {
+            account.setName(request.getName());
+        }
+        if (request.getInitialBalance() != null) {
+            account.setInitialBalance(request.getInitialBalance());
+        }
+        
+        accountMapper.updateById(account);
+        
+        return getAccountBalance(userId);
+    }
+    
+    /**
+     * 更新账户余额（仅更新初始余额）
+     */
+    @Transactional
+    public AccountResponse updateAccountBalance(Long userId, BigDecimal initialBalance) {
+        Account account = getOrCreateAccount(userId);
+        account.setInitialBalance(initialBalance);
+        accountMapper.updateById(account);
+        return getAccountBalance(userId);
+    }
+    
+    /**
+     * 计算账户余额（初始余额 + 收入总额 - 支出总额）
+     */
+    public BigDecimal calculateBalance(Long accountId) {
+        Account account = accountMapper.selectById(accountId);
+        if (account == null) {
+            return BigDecimal.ZERO;
+        }
+        
+        BigDecimal initialBalance = account.getInitialBalance() != null ? account.getInitialBalance() : BigDecimal.ZERO;
+        
+        // 查询该账户的所有账单
+        List<Bill> bills = billMapper.selectList(
+            new LambdaQueryWrapper<Bill>()
+                .eq(Bill::getAccountId, accountId)
+        );
+        
+        BigDecimal totalIncome = BigDecimal.ZERO;
+        BigDecimal totalExpense = BigDecimal.ZERO;
+        
+        for (Bill bill : bills) {
+            if (bill.getType() != null && bill.getAmount() != null) {
+                if (bill.getType() == 2) { // 收入
+                    totalIncome = totalIncome.add(bill.getAmount());
+                } else if (bill.getType() == 1) { // 支出
+                    totalExpense = totalExpense.add(bill.getAmount().abs());
+                }
+            }
+        }
+        
+        return initialBalance.add(totalIncome).subtract(totalExpense);
+    }
+    
+    /**
+     * 获取账户余额信息（包含余额、总收入、总支出）
+     */
+    public AccountResponse getAccountBalance(Long userId) {
+        Account account = getOrCreateAccount(userId);
+        
+        AccountResponse response = new AccountResponse();
+        BeanUtils.copyProperties(account, response);
+        
+        BigDecimal balance = calculateBalance(account.getId());
+        response.setBalance(balance);
+        
+        // 计算总收入
+        List<Bill> incomeBills = billMapper.selectList(
+            new LambdaQueryWrapper<Bill>()
+                .eq(Bill::getAccountId, account.getId())
+                .eq(Bill::getType, 2) // 收入
+        );
+        BigDecimal totalIncome = incomeBills.stream()
+            .map(Bill::getAmount)
+            .filter(amount -> amount != null)
+            .reduce(BigDecimal.ZERO, BigDecimal::add);
+        response.setTotalIncome(totalIncome);
+        
+        // 计算总支出
+        List<Bill> expenseBills = billMapper.selectList(
+            new LambdaQueryWrapper<Bill>()
+                .eq(Bill::getAccountId, account.getId())
+                .eq(Bill::getType, 1) // 支出
+        );
+        BigDecimal totalExpense = expenseBills.stream()
+            .map(Bill::getAmount)
+            .map(BigDecimal::abs)
+            .filter(amount -> amount != null)
+            .reduce(BigDecimal.ZERO, BigDecimal::add);
+        response.setTotalExpense(totalExpense);
+        
+        return response;
+    }
+}
+

src/main/java/com/accounting/service/BillService.java

@@ -2,6 +2,8 @@ package com.accounting.service;
 
 import com.accounting.dto.BillRequest;
 import com.accounting.dto.BillResponse;
+import com.accounting.dto.BatchBillRequest;
+import com.accounting.entity.Account;
 import com.accounting.entity.Bill;
 import com.accounting.entity.Category;
 import com.accounting.mapper.BillMapper;
@@ -13,6 +15,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDate;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -25,6 +28,9 @@ public class BillService {
     @Autowired
     private CategoryMapper categoryMapper;
     
+    @Autowired
+    private AccountService accountService;
+    
     @Transactional
     public BillResponse createBill(BillRequest request, Long userId) {
         // 验证分类是否存在
@@ -33,9 +39,13 @@ public class BillService {
             throw new RuntimeException("分类不存在");
         }
         
+        // 获取或创建账户
+        Account account = accountService.getOrCreateAccount(userId);
+        
         // 创建账单
         Bill bill = new Bill();
         bill.setUserId(userId);
+        bill.setAccountId(account.getId()); // 自动关联账户
         bill.setCategoryId(request.getCategoryId());
         bill.setAmount(request.getAmount());
         bill.setDescription(request.getDescription());
@@ -48,6 +58,39 @@ public class BillService {
         return convertToResponse(bill, category);
     }
     
+    @Transactional
+    public List<BillResponse> createBills(BatchBillRequest request, Long userId) {
+        List<BillResponse> responses = new ArrayList<>();
+        
+        // 获取或创建账户
+        Account account = accountService.getOrCreateAccount(userId);
+        
+        for (BillRequest billRequest : request.getBills()) {
+            // 验证分类是否存在
+            Category category = categoryMapper.selectById(billRequest.getCategoryId());
+            if (category == null) {
+                throw new RuntimeException("分类不存在，分类ID: " + billRequest.getCategoryId());
+            }
+            
+            // 创建账单
+            Bill bill = new Bill();
+            bill.setUserId(userId);
+            bill.setAccountId(account.getId()); // 自动关联账户
+            bill.setCategoryId(billRequest.getCategoryId());
+            bill.setAmount(billRequest.getAmount());
+            bill.setDescription(billRequest.getDescription());
+            bill.setBillDate(billRequest.getBillDate() != null ? billRequest.getBillDate() : LocalDate.now());
+            bill.setImageUrl(billRequest.getImageUrl());
+            bill.setType(billRequest.getType()); // 设置账单类型
+            
+            billMapper.insert(bill);
+            
+            responses.add(convertToResponse(bill, category));
+        }
+        
+        return responses;
+    }
+    
     @Transactional
     public BillResponse updateBill(Long id, BillRequest request, Long userId) {
         // 验证账单是否存在且属于当前用户
@@ -67,6 +110,12 @@ public class BillService {
             throw new RuntimeException("分类不存在");
         }
         
+        // 如果账单没有关联账户，则自动关联
+        if (bill.getAccountId() == null) {
+            Account account = accountService.getOrCreateAccount(userId);
+            bill.setAccountId(account.getId());
+        }
+        
         // 更新账单
         bill.setCategoryId(request.getCategoryId());
         bill.setAmount(request.getAmount());

src/main/java/com/accounting/service/BudgetService.java

@@ -0,0 +1,191 @@
+package com.accounting.service;
+
+import com.accounting.dto.BudgetRequest;
+import com.accounting.dto.BudgetResponse;
+import com.accounting.dto.BudgetSettlementResponse;
+import com.accounting.dto.StatisticsResponse;
+import com.accounting.entity.Budget;
+import com.accounting.mapper.BudgetMapper;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.time.LocalDate;
+
+@Service
+public class BudgetService {
+    
+    @Autowired
+    private BudgetMapper budgetMapper;
+    
+    @Autowired
+    private StatisticsService statisticsService;
+    
+    /**
+     * 获取或创建预算（如果不存在则创建默认0）
+     */
+    @Transactional
+    public Budget getOrCreateBudget(Long userId, int year, int month) {
+        Budget budget = budgetMapper.selectOne(
+            new LambdaQueryWrapper<Budget>()
+                .eq(Budget::getUserId, userId)
+                .eq(Budget::getYear, year)
+                .eq(Budget::getMonth, month)
+        );
+        
+        if (budget == null) {
+            budget = new Budget();
+            budget.setUserId(userId);
+            budget.setYear(year);
+            budget.setMonth(month);
+            budget.setAmount(BigDecimal.ZERO);
+            budgetMapper.insert(budget);
+        }
+        
+        return budget;
+    }
+    
+    /**
+     * 获取预算
+     */
+    public Budget getBudget(Long userId, int year, int month) {
+        return budgetMapper.selectOne(
+            new LambdaQueryWrapper<Budget>()
+                .eq(Budget::getUserId, userId)
+                .eq(Budget::getYear, year)
+                .eq(Budget::getMonth, month)
+        );
+    }
+    
+    /**
+     * 设置/更新预算
+     */
+    @Transactional
+    public BudgetResponse setBudget(Long userId, BudgetRequest request) {
+        int year = request.getYear();
+        int month = request.getMonth();
+        BigDecimal amount = request.getAmount();
+        
+        if (amount == null || amount.compareTo(BigDecimal.ZERO) < 0) {
+            throw new RuntimeException("预算金额必须大于等于0");
+        }
+        
+        Budget budget = getOrCreateBudget(userId, year, month);
+        budget.setAmount(amount);
+        budgetMapper.updateById(budget);
+        
+        return getBudgetWithStatistics(userId, year, month);
+    }
+    
+    /**
+     * 获取预算及统计信息
+     */
+    public BudgetResponse getBudgetWithStatistics(Long userId, int year, int month) {
+        Budget budget = getOrCreateBudget(userId, year, month);
+        
+        BudgetResponse response = new BudgetResponse();
+        response.setId(budget.getId());
+        response.setYear(budget.getYear());
+        response.setMonth(budget.getMonth());
+        response.setAmount(budget.getAmount());
+        
+        // 获取本月支出统计
+        StatisticsResponse stats = statisticsService.getMonthlyStatistics(userId, year, month);
+        BigDecimal usedAmount = stats.getTotalExpense() != null ? stats.getTotalExpense() : BigDecimal.ZERO;
+        response.setUsedAmount(usedAmount);
+        
+        // 计算剩余预算
+        BigDecimal remainingAmount = budget.getAmount().subtract(usedAmount);
+        response.setRemainingAmount(remainingAmount);
+        
+        // 计算剩余日均
+        LocalDate today = LocalDate.now();
+        LocalDate monthStart = LocalDate.of(year, month, 1);
+        LocalDate monthEnd = monthStart.withDayOfMonth(monthStart.lengthOfMonth());
+        
+        int remainingDays = 0;
+        if (year == today.getYear() && month == today.getMonthValue()) {
+            // 当前月份
+            remainingDays = monthEnd.getDayOfMonth() - today.getDayOfMonth() + 1;
+            if (remainingDays < 0) {
+                remainingDays = 0;
+            }
+        } else if (year < today.getYear() || (year == today.getYear() && month < today.getMonthValue())) {
+            // 过去的月份
+            remainingDays = 0;
+        } else {
+            // 未来的月份
+            remainingDays = monthEnd.getDayOfMonth();
+        }
+        
+        if (remainingDays > 0) {
+            BigDecimal remainingDaily = remainingAmount.divide(BigDecimal.valueOf(remainingDays), 2, RoundingMode.HALF_UP);
+            response.setRemainingDaily(remainingDaily);
+        } else {
+            response.setRemainingDaily(BigDecimal.ZERO);
+        }
+        
+        return response;
+    }
+    
+    /**
+     * 获取上月预算结算信息
+     */
+    public BudgetSettlementResponse getLastMonthSettlement(Long userId) {
+        LocalDate today = LocalDate.now();
+        LocalDate lastMonth = today.minusMonths(1);
+        int year = lastMonth.getYear();
+        int month = lastMonth.getMonthValue();
+        
+        Budget budget = getBudget(userId, year, month);
+        BigDecimal budgetAmount = budget != null && budget.getAmount() != null ? budget.getAmount() : BigDecimal.ZERO;
+        
+        // 获取上月支出统计
+        StatisticsResponse stats = statisticsService.getMonthlyStatistics(userId, year, month);
+        BigDecimal actualExpense = stats.getTotalExpense() != null ? stats.getTotalExpense() : BigDecimal.ZERO;
+        
+        BudgetSettlementResponse response = new BudgetSettlementResponse();
+        response.setYear(year);
+        response.setMonth(month);
+        response.setBudgetAmount(budgetAmount);
+        response.setActualExpense(actualExpense);
+        
+        // 判断是否超支
+        boolean isOverBudget = actualExpense.compareTo(budgetAmount) > 0;
+        response.setIsOverBudget(isOverBudget);
+        
+        if (isOverBudget) {
+            BigDecimal overAmount = actualExpense.subtract(budgetAmount);
+            response.setOverAmount(overAmount);
+        } else {
+            response.setOverAmount(BigDecimal.ZERO);
+        }
+        
+        // 计算完成率
+        if (budgetAmount.compareTo(BigDecimal.ZERO) > 0) {
+            BigDecimal completionRate = actualExpense.divide(budgetAmount, 4, RoundingMode.HALF_UP)
+                .multiply(BigDecimal.valueOf(100));
+            response.setCompletionRate(completionRate);
+        } else {
+            response.setCompletionRate(null);
+        }
+        
+        return response;
+    }
+    
+    /**
+     * 检查并创建本月预算（如果不存在则创建默认0）
+     */
+    @Transactional
+    public void checkAndCreateCurrentMonthBudget(Long userId) {
+        LocalDate today = LocalDate.now();
+        int year = today.getYear();
+        int month = today.getMonthValue();
+        
+        getOrCreateBudget(userId, year, month);
+    }
+}
+

src/main/java/com/accounting/service/GoldPriceService.java

@@ -0,0 +1,44 @@
+package com.accounting.service;
+
+import com.accounting.dto.GoldPriceResponse;
+import java.time.LocalDate;
+import java.util.List;
+
+public interface GoldPriceService {
+    
+    /**
+     * 从数据库获取最新黄金价格（不触发外部接口调用）
+     * @param goldId 黄金品种ID
+     * @return 最新黄金价格响应，可能为 null
+     */
+    GoldPriceResponse getCurrentPrice(String goldId);
+
+    /**
+     * 主动从外部接口刷新当前黄金价格并写入数据库（供定时任务使用）
+     * @param goldId 黄金品种ID
+     */
+    void refreshCurrentPrice(String goldId);
+
+    /**
+     * 获取历史黄金价格
+     * @param goldId 黄金品种ID
+     * @param days 查询天数
+     * @return 黄金价格列表
+     */
+    List<GoldPriceResponse> getHistoryPrices(String goldId, Integer days);
+    
+    /**
+     * 获取指定日期的所有黄金价格记录
+     * @param goldId 黄金品种ID
+     * @param date 日期
+     * @return 指定日期的价格记录列表
+     */
+    List<GoldPriceResponse> getPricesByDate(String goldId, LocalDate date);
+    
+    /**
+     * 获取最近有数据的日期
+     * @param goldId 黄金品种ID
+     * @return 最近有数据的日期，可能为 null
+     */
+    LocalDate getLatestDate(String goldId);
+}

src/main/java/com/accounting/service/K780ApiClient.java

@@ -0,0 +1,50 @@
+package com.accounting.service;
+
+import com.accounting.dto.K780Response;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestTemplate;
+
+@Slf4j
+@Component
+public class K780ApiClient {
+
+    private static final String API_BASE_URL = "https://sapi.k780.com";
+    private static final String APP = "finance.gold_price";
+    private static final String APP_KEY = "78346";
+    private static final String SIGN = "1b502c535927b66d9b888a6d4701bf72";
+    private static final String FORMAT = "json";
+
+    private final RestTemplate restTemplate;
+    private final ObjectMapper objectMapper;
+
+    public K780ApiClient() {
+        this.restTemplate = new RestTemplate();
+        this.objectMapper = new ObjectMapper();
+    }
+
+    /**
+     * 从K780 API获取黄金价格
+     * @param goldId 黄金品种ID
+     * @return K780Response
+     */
+    public K780Response fetchGoldPrice(String goldId) {
+        try {
+            String url = String.format("%s/?app=%s&goldid=%s&appkey=%s&sign=%s&format=%s",
+                    API_BASE_URL, APP, goldId, APP_KEY, SIGN, FORMAT);
+            
+            log.info("Fetching gold price from K780 API: {}", url);
+            
+            String response = restTemplate.getForObject(url, String.class);
+            K780Response k780Response = objectMapper.readValue(response, K780Response.class);
+            
+            log.info("K780 API response: {}", k780Response);
+            
+            return k780Response;
+        } catch (Exception e) {
+            log.error("Failed to fetch gold price from K780 API", e);
+            throw new RuntimeException("获取黄金价格失败: " + e.getMessage(), e);
+        }
+    }
+}

src/main/java/com/accounting/service/impl/GoldPriceServiceImpl.java

@@ -0,0 +1,188 @@
+package com.accounting.service.impl;
+
+import com.accounting.dto.GoldPriceResponse;
+import com.accounting.dto.K780Response;
+import com.accounting.dto.K780Result;
+import com.accounting.entity.GoldPrice;
+import com.accounting.mapper.GoldPriceMapper;
+import com.accounting.service.GoldPriceService;
+import com.accounting.service.K780ApiClient;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class GoldPriceServiceImpl implements GoldPriceService {
+
+    private final K780ApiClient k780ApiClient;
+    private final GoldPriceMapper goldPriceMapper;
+
+    private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+    private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+
+    @Override
+    @Transactional(readOnly = true)
+    public GoldPriceResponse getCurrentPrice(String goldId) {
+        // 仅从数据库读取最新记录
+        GoldPrice latest = goldPriceMapper.selectOne(
+                new LambdaQueryWrapper<GoldPrice>()
+                        .eq(GoldPrice::getGoldId, goldId)
+                        .orderByDesc(GoldPrice::getPriceDate, GoldPrice::getUpdateTime)
+                        .last("LIMIT 1")
+        );
+        if (latest == null) {
+            return null;
+        }
+        return convertToResponse(latest);
+    }
+
+    @Override
+    @Transactional
+    public void refreshCurrentPrice(String goldId) {
+        K780Response response = k780ApiClient.fetchGoldPrice(goldId);
+
+        if (!"1".equals(response.getSuccess()) || response.getResult() == null) {
+            throw new RuntimeException("获取黄金价格失败");
+        }
+
+        K780Result result = response.getResult();
+        K780Result.GoldPriceData goldPriceData = extractGoldPriceData(result, goldId);
+        GoldPrice goldPrice = convertToEntity(goldPriceData);
+
+        // 插入新记录 每15分钟查询一次结果并存储
+        goldPrice.setCreateTime(LocalDateTime.now());
+        goldPriceMapper.insert(goldPrice);
+
+        log.info("Refreshed gold price for goldId={}, priceDate={}", goldPrice.getGoldId(), goldPrice.getPriceDate());
+    }
+
+    @Override
+    public List<GoldPriceResponse> getHistoryPrices(String goldId, Integer days) {
+        int limit = (days != null && days > 0) ? Math.min(days, 30) : 30;
+        List<GoldPrice> prices = goldPriceMapper.selectHistoryByGoldId(goldId, limit);
+        return prices.stream()
+                .map(this::convertToResponse)
+                .collect(Collectors.toList());
+    }
+    
+    @Override
+    @Transactional(readOnly = true)
+    public List<GoldPriceResponse> getPricesByDate(String goldId, LocalDate date) {
+        List<GoldPrice> prices = goldPriceMapper.selectByDate(goldId, date);
+        return prices.stream()
+                .map(this::convertToResponse)
+                .collect(Collectors.toList());
+    }
+    
+    @Override
+    @Transactional(readOnly = true)
+    public LocalDate getLatestDate(String goldId) {
+        return goldPriceMapper.selectLatestDate(goldId);
+    }
+
+    private K780Result.GoldPriceData extractGoldPriceData(K780Result result, String goldId) {
+        if (result.getDtList() == null || result.getDtList().isEmpty()) {
+            throw new RuntimeException("黄金价格数据为空");
+        }
+
+        // 尝试通过提供的goldId获取数据
+        K780Result.GoldPriceData data = result.getDtList().get(goldId);
+        if (data == null) {
+            // 如果没找到指定goldId的数据，则取第一个可用数据
+            data = result.getDtList().values().stream().findFirst()
+                    .orElseThrow(() -> new RuntimeException("未找到黄金价格数据"));
+        }
+
+        return data;
+    }
+
+    private GoldPrice convertToEntity(K780Result.GoldPriceData data) {
+        GoldPrice entity = new GoldPrice();
+
+        // 确保 goldId 不为 null
+        String goldId = data.getGoldId();
+        if (goldId == null || goldId.isEmpty()) {
+            throw new RuntimeException("黄金品种ID不能为空");
+        }
+        entity.setGoldId(goldId);
+
+        entity.setGoldName(data.getVarietynm());
+        entity.setPrice(parseBigDecimal(data.getLastPrice()));
+        entity.setPriceChange(parseBigDecimal(data.getChangePrice()));
+        entity.setOpenPrice(parseBigDecimal(data.getOpenPrice()));
+        entity.setHighPrice(parseBigDecimal(data.getHighPrice()));
+        entity.setLowPrice(parseBigDecimal(data.getLowPrice()));
+        entity.setYesterdayClose(parseBigDecimal(data.getYesyPrice()));
+
+        // 处理涨跌百分比
+        String changeMargin = data.getChangeMargin();
+        if (changeMargin != null && !changeMargin.isEmpty() && !"-".equals(changeMargin)) {
+            // 移除百分号并转换
+            String marginWithoutPercent = changeMargin.replace("%", "");
+            entity.setPriceChangePercent(parseBigDecimal(marginWithoutPercent));
+        }
+
+        // 解析更新时间
+        if (data.getUptime() != null && !data.getUptime().isEmpty()) {
+            try {
+                entity.setUpdateTime(LocalDateTime.parse(data.getUptime(), DATE_TIME_FORMATTER));
+                entity.setPriceDate(entity.getUpdateTime().toLocalDate());
+            } catch (Exception e) {
+                log.warn("Failed to parse update time: {}", data.getUptime());
+                entity.setUpdateTime(LocalDateTime.now());
+                entity.setPriceDate(LocalDate.now());
+            }
+        } else {
+            entity.setUpdateTime(LocalDateTime.now());
+            entity.setPriceDate(LocalDate.now());
+        }
+
+        return entity;
+    }
+
+    private GoldPriceResponse convertToResponse(GoldPrice entity) {
+        GoldPriceResponse response = new GoldPriceResponse();
+        response.setGoldId(entity.getGoldId());
+        response.setGoldName(entity.getGoldName());
+        response.setPrice(entity.getPrice());
+        response.setPriceChange(entity.getPriceChange());
+        response.setPriceChangePercent(entity.getPriceChangePercent());
+        response.setHighPrice(entity.getHighPrice());
+        response.setLowPrice(entity.getLowPrice());
+        response.setOpenPrice(entity.getOpenPrice());
+        response.setYesterdayClose(entity.getYesterdayClose());
+
+        if (entity.getUpdateTime() != null) {
+            response.setUpdateTime(entity.getUpdateTime().format(DATE_TIME_FORMATTER));
+        }
+        if (entity.getPriceDate() != null) {
+            response.setPriceDate(entity.getPriceDate().format(DATE_FORMATTER));
+        }
+
+        return response;
+    }
+
+    private BigDecimal parseBigDecimal(String value) {
+        if (value == null || value.isEmpty() || "-".equals(value)) {
+            return null;
+        }
+        try {
+            return new BigDecimal(value);
+        } catch (NumberFormatException e) {
+            log.warn("Failed to parse BigDecimal: {}", value);
+            return null;
+        }
+    }
+}

src/main/java/com/accounting/util/OcrAmountParser.java

@@ -9,10 +9,7 @@ import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.time.format.DateTimeParseException;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -23,8 +20,10 @@ public class OcrAmountParser {
         "[¥￥]?\\s*(\\d{1,10}(\\.\\d{1,2})?)\\s*[元]?"
     );
 
-    // 日期正则表达式：匹配字符串中是否含有月或日
-    private static final Pattern UNION_DATE_PATTERN = Pattern.compile(".*月.*日.*");
+
+
+    // 日期正则表达式：匹配字符串中是否含有月、日或天
+    private static final Pattern UNION_DATE_PATTERN = Pattern.compile(".*(今天|昨天).*");
 
     
     // 日期正则表达式：匹配 12月2日13：14 这样的格式
@@ -32,6 +31,11 @@ public class OcrAmountParser {
         "(\\d{1,2})月(\\d{1,2})日\\s*(\\d{1,2})[：:](\\d{1,2})"
     );
 
+    // 日期正则表达式：匹配 12-11 13:14 这样的格式
+    private static final Pattern DATE_PATTERN_DASH = Pattern.compile(
+            "(\\d{1,2})-(\\d{1,2})\\s*(\\d{1,2})[：:](\\d{1,2})"
+    );
+
     // 商户名称关键词（常见支付平台）
     private static final String[] MERCHANT_KEYWORDS = {
         "微信支付", "支付宝", "收款", "付款", "商户", "商家", "店铺", "超市", "餐厅", "饭店"
@@ -83,7 +87,19 @@ public class OcrAmountParser {
         if (dateStr == null || dateStr.trim().isEmpty()) {
             return false;
         }
-        return UNION_DATE_PATTERN.matcher(dateStr.trim()).matches();
+        // 匹配今天、昨天
+        if (UNION_DATE_PATTERN.matcher(dateStr.trim()).matches()){
+            return true;
+        }
+        // 匹配12-11 13:14
+        if (DATE_PATTERN_DASH.matcher(dateStr.trim()).matches()){
+            return true;
+        }
+        // 匹配12月11日 13:14
+        if (DATE_PATTERN.matcher(dateStr.trim()).matches()){
+            return true;
+        }
+        return false;
     }
 
     /**
@@ -123,14 +139,47 @@ public class OcrAmountParser {
 
     /**
      * 解析日期字符串为LocalDateTime对象
-     * @param dateStr 日期字符串，例如："12月2日13：14"
+     * @param dateStr 解析3中日期字符串，例如："12月2日13：14" "12-11 13:14" "今天 13:14" "昨天 13:14"
      * @return LocalDateTime对象
      */
     private static LocalDateTime parseDateTimeString(String dateStr) {
         if (dateStr == null || dateStr.trim().isEmpty()) {
+            return LocalDateTime.now();
+        }
+
+        //先处理今天、昨天
+        if (UNION_DATE_PATTERN.matcher(dateStr.trim()).matches()){
+            String trimmedDateStr = dateStr.trim();
+            LocalDateTime baseDate;
+
+            if (trimmedDateStr.startsWith("今天")) {
+                baseDate = LocalDateTime.now();
+            } else if (trimmedDateStr.startsWith("昨天")) {
+                baseDate = LocalDateTime.now().minusDays(1);
+            } else {
                 return null;
             }
 
+            // 提取时间部分
+            String timePart = trimmedDateStr.substring(2).trim(); // 去掉"今天"/"昨天"
+            if (!timePart.isEmpty()) {
+                String[] timeParts = timePart.split("[：:]");
+                if (timeParts.length >= 2) {
+                    try {
+                        int hour = Integer.parseInt(timeParts[0]);
+                        int minute = Integer.parseInt(timeParts[1]);
+                        return baseDate.withHour(hour).withMinute(minute).withSecond(0).withNano(0);
+                    } catch (NumberFormatException e) {
+                        // 时间解析失败，返回基础日期
+                        return baseDate;
+                    }
+                }
+            }
+            return baseDate;
+        }
+
+        //处理 12月2日13：14
+        if (DATE_PATTERN.matcher(dateStr.trim()).matches()){
             try {
                 Matcher matcher = DATE_PATTERN.matcher(dateStr.trim());
                 if (matcher.find()) {
@@ -146,11 +195,34 @@ public class OcrAmountParser {
             } catch (Exception e) {
                 e.printStackTrace();
             }
+        }
+
+        if (DATE_PATTERN_DASH.matcher(dateStr.trim()).matches()){
+            try {
+                Matcher matcher = DATE_PATTERN_DASH.matcher(dateStr.trim());
+                if (matcher.find()) {
+                    int month = Integer.parseInt(matcher.group(1));
+                    int day = Integer.parseInt(matcher.group(2));
+                    int hour = Integer.parseInt(matcher.group(3));
+                    int minute = Integer.parseInt(matcher.group(4));
+
+                    // 使用当前年份
+                    int year = java.time.Year.now().getValue();
+                    return LocalDateTime.of(year, month, day, hour, minute);
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+
         return null;
     }
 
     /**
      * 解析OCR识别结果，提取金额、商户名称、日期等信息
+     * 重构OCR识别结果的处理逻辑，大概思想是先识别时间 时间可能有多种格式 微信的格式为 12-12 13:14 支付宝的格式为 今天 13:14 昨天 13:14
+     * 其他平台的格式为 12月2日13：14 等等 识别出日期以后 日期之前的3-4个值就可能是此笔支付的其他数据 一般的格式为 [商户/描述] [金额] 可能存在的[分类] [时间]
+     * 所以在识别出日期后 查看前3-4个值中是否有类似金额的值
      */
     public static List<ParseResult> parse(String ocrResultJson) {
         try {
@@ -164,51 +236,100 @@ public class OcrAmountParser {
 
             JSONObject dataObject = JSON.parseObject(data);
             String content = dataObject.getString("content");
+//            String content = "下午2：01 0.3K/s必 5G ra HD ID 4G 10 C 49 D < Q搜索交易记录 搜索 全部 支出 转账 退款 订单筛选 ￥198 ￥3，092.83 ￥0.00 收支分析 设置支出预算> C 五华区皓月千里便利店 -4.20 日用百货 今天 13：30 扫收钱码付款-给快乐 -11.00 餐饮美食 今天 12：22 余额宝-收益发放 0.19 投资理财 今天 04：47 2000406014951497 -20.00 餐饮美食 昨天 22：14 扫收钱码付款-给扫码点单店主 -5.00 公共服务 昨天 21：44 蜜雪冰城920749店 -2.18 餐饮美食 TA ";
+            System.out.println(content);
             String[] split = content.split(" ");
 
+            System.out.println("split:"+ split);
+            System.out.println("split.size:"+ split.length);
+
             ArrayList<Map<String,String>> signList = new ArrayList<>();
 
+            System.out.println("开始解析");
             for (int i = 1; i < split.length; i++) {
                 String currentLine = split[i].trim();
-                String previousLine = split[i-1].trim();
 
                 // 安全地获取 i+1, i+2, i+3 位置的值
                 String iPlusOne = null;
                 String iPlusTwo = null;
                 String iPlusThree = null;
 
-                if (i + 1 < split.length) {
-                    iPlusOne = split[i + 1].trim();
+                iPlusOne = split[i - 1].trim();
+                if (i > 1) {
+                    iPlusTwo = split[i - 2].trim();
                 }
-                if (i + 2 < split.length) {
-                    iPlusTwo = split[i + 2].trim();
-                }
-                if (i + 3 < split.length) {
-                    iPlusThree = split[i + 3].trim();
+                if (i > 2) {
+                    iPlusThree = split[i - 3].trim();
                 }
 
-                // 检查当前行是否以+或-开头
-                if (currentLine.startsWith("+") || currentLine.startsWith("-")) {
+                // 检查当前行是否符合日期格式
+                if (isValidDate(currentLine)) {
                     Map<String, String> signMap = new HashMap<>();
-                    signMap.put("money", currentLine);
-                    signMap.put("content", previousLine);
 
-                    // 检查 i+1, i+2, i+3 哪个是日期格式
-                    String dateValue = null;
-                    if (i + 1 < split.length && isValidDate(iPlusOne)) {
-                        dateValue = iPlusOne;
-                    } else if (i + 2 < split.length && isValidDate(iPlusTwo)) {
-                        dateValue = iPlusTwo;
-                    } else if (i + 3 < split.length && isValidDate(iPlusThree)) {
-                        dateValue = iPlusThree;
+                    //判断前三个值是否包含了金额
+
+                    //plusOne是金额
+                    if (iPlusOne != null && ((iPlusOne.startsWith("+") || iPlusOne.startsWith("-"))
+                            || AMOUNT_PATTERN.matcher(Objects.requireNonNull(iPlusOne).trim()).matches())) {
+                        if (UNION_DATE_PATTERN.matcher(currentLine).matches()){
+                            // 检查 i+1 是否在数组范围内
+                            if (i + 1 < split.length) {
+                                signMap.put("data", currentLine + " " + split[i+1].trim());
+                            } else {
+                                signMap.put("data", currentLine);
+                            }
+                        }else {
+                            signMap.put("data", currentLine);
+                        }
+                        signMap.put("money", iPlusOne);
+                        signMap.put("content", iPlusTwo);
+                        signList.add(signMap);
                     }
 
-                    if (dateValue != null) {
-                        signMap.put("date", dateValue);
+                    //plusTwo是金额
+                    if (iPlusTwo != null && ((iPlusTwo.startsWith("+") || iPlusTwo.startsWith("-"))
+                            || AMOUNT_PATTERN.matcher(Objects.requireNonNull(iPlusTwo).trim()).matches())) {
+                        if (UNION_DATE_PATTERN.matcher(currentLine).matches()){
+                            // 检查 i+1 是否在数组范围内
+                            if (i + 1 < split.length) {
+                                signMap.put("data", currentLine + " " + split[i+1].trim());
+                            } else {
+                                signMap.put("data", currentLine);
+                            }
+                        }else {
+                            signMap.put("data", currentLine);
+                        }
+                        signMap.put("money", iPlusTwo);
+                        signMap.put("content", iPlusThree);
+                        signList.add(signMap);
+
+                    }
+
+                    //plusThree是金额
+                    if (iPlusThree != null && ((iPlusThree.startsWith("+") || iPlusThree.startsWith("-"))
+                            || AMOUNT_PATTERN.matcher(Objects.requireNonNull(iPlusThree).trim()).matches())) {
+                        if (UNION_DATE_PATTERN.matcher(currentLine).matches()){
+                            // 检查 i+1 是否在数组范围内
+                            if (i + 1 < split.length) {
+                                signMap.put("data", currentLine + " " + split[i+1].trim());
+                            } else {
+                                signMap.put("data", currentLine);
+                            }
+                        }else {
+                            signMap.put("data", currentLine);
+                        }
+                        signMap.put("money", iPlusThree);
+                        // 检查 i-4 是否在数组范围内
+                        if (i - 4 >= 0) {
+                            signMap.put("content", split[i - 4].trim());
                         }
                         signList.add(signMap);
                     }
                 }
+            }
+
+            System.out.println("识别结束，开始对结果进行处理");
+            System.out.println("signList:"+signList);
 
             //识别完成，对识别结果进行处理
 
@@ -219,10 +340,10 @@ public class OcrAmountParser {
                     result.setAmount(parseMoneyString(signMap.get("money")));
                 }
                 if (signMap.containsKey("content")){
-                    result.setMerchant(parseMerchant(signMap.get("content")));
+                    result.setMerchant(signMap.get("content"));
                 }
-                if (signMap.containsKey("date")){
-                    result.setDate(parseDateTimeString(signMap.get("date")));
+                if (signMap.containsKey("data")){
+                    result.setDate(parseDateTimeString(signMap.get("data")));
                 }
 
                 parseList.add(result);

src/main/resources/application.yml

@@ -60,8 +60,15 @@ knife4j:
       - url: http://localhost:8080
         description: 本地开发环境
 
+# K780 API配置
+k780:
+  api-url: https://sapi.k780.com
+  app-key: 78346
+  sign: 1b502c535927b66d9b888a6d4701bf72
+  timeout: 5000
+
 server:
-  port: 8080
+  port: 12345
 
 logging:
   level:

src/main/resources/db/migration_remove_gold_price_unique_constraint.sql

@@ -0,0 +1,5 @@
+-- 删除 gold_price 表的唯一约束 uk_gold_date
+-- 原因：需要支持每15分钟查询一次，同一天需要存储多条记录
+-- 执行时间：2026-01-23
+
+ALTER TABLE `gold_price` DROP INDEX `uk_gold_date`;

src/main/resources/db/schema.sql

@@ -34,6 +34,7 @@ CREATE TABLE IF NOT EXISTS `category` (
 CREATE TABLE IF NOT EXISTS `bill` (
   `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT '账单ID',
   `user_id` BIGINT NOT NULL COMMENT '用户ID',
+  `account_id` BIGINT COMMENT '账户ID',
   `category_id` BIGINT NOT NULL COMMENT '分类ID',
   `amount` DECIMAL(10,2) NOT NULL COMMENT '金额',
   `description` VARCHAR(255) COMMENT '描述',
@@ -44,12 +45,44 @@ CREATE TABLE IF NOT EXISTS `bill` (
   `update_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
   PRIMARY KEY (`id`),
   INDEX `idx_user_id` (`user_id`),
+  INDEX `idx_account_id` (`account_id`),
   INDEX `idx_category_id` (`category_id`),
   INDEX `idx_bill_date` (`bill_date`),
   FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON DELETE CASCADE,
+  FOREIGN KEY (`account_id`) REFERENCES `account` (`id`) ON DELETE RESTRICT,
   FOREIGN KEY (`category_id`) REFERENCES `category` (`id`) ON DELETE RESTRICT
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='账单表';
 
+-- 账户表
+CREATE TABLE IF NOT EXISTS `account` (
+  `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT '账户ID',
+  `user_id` BIGINT NOT NULL COMMENT '用户ID',
+  `name` VARCHAR(50) NOT NULL DEFAULT '默认账户' COMMENT '账户名称',
+  `initial_balance` DECIMAL(10,2) NOT NULL DEFAULT 0.00 COMMENT '初始余额',
+  `create_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  PRIMARY KEY (`id`),
+  INDEX `idx_user_id` (`user_id`),
+  FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON DELETE CASCADE,
+  UNIQUE KEY `uk_user_account` (`user_id`) COMMENT '每个用户只有一个账户'
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='账户表';
+
+-- 预算表
+CREATE TABLE IF NOT EXISTS `budget` (
+  `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT '预算ID',
+  `user_id` BIGINT NOT NULL COMMENT '用户ID',
+  `year` INT NOT NULL COMMENT '年份',
+  `month` INT NOT NULL COMMENT '月份（1-12）',
+  `amount` DECIMAL(10,2) NOT NULL DEFAULT 0.00 COMMENT '预算金额',
+  `create_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  PRIMARY KEY (`id`),
+  INDEX `idx_user_id` (`user_id`),
+  INDEX `idx_year_month` (`year`, `month`),
+  FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON DELETE CASCADE,
+  UNIQUE KEY `uk_user_year_month` (`user_id`, `year`, `month`) COMMENT '每个用户每个月只有一个预算'
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='预算表';
+
 -- OCR记录表
 CREATE TABLE IF NOT EXISTS `ocr_record` (
   `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT 'OCR记录ID',
@@ -69,6 +102,27 @@ CREATE TABLE IF NOT EXISTS `ocr_record` (
   FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON DELETE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='OCR记录表';
 
+-- 黄金价格记录表
+CREATE TABLE IF NOT EXISTS `gold_price` (
+  `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT '记录ID',
+  `gold_id` VARCHAR(20) NOT NULL COMMENT '黄金品种ID',
+  `gold_name` VARCHAR(50) COMMENT '黄金品种名称',
+  `price` DECIMAL(10,2) NOT NULL COMMENT '当前价格',
+  `price_change` DECIMAL(10,2) COMMENT '涨跌额',
+  `price_change_percent` DECIMAL(5,2) COMMENT '涨跌百分比',
+  `high_price` DECIMAL(10,2) COMMENT '最高价',
+  `low_price` DECIMAL(10,2) COMMENT '最低价',
+  `open_price` DECIMAL(10,2) COMMENT '开盘价',
+  `yesterday_close` DECIMAL(10,2) COMMENT '昨收价',
+  `update_time` DATETIME NOT NULL COMMENT 'API返回的更新时间',
+  `price_date` DATE NOT NULL COMMENT '价格日期',
+  `create_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '记录创建时间',
+  PRIMARY KEY (`id`),
+  INDEX `idx_gold_id` (`gold_id`),
+  INDEX `idx_price_date` (`price_date`),
+  INDEX `idx_gold_date` (`gold_id`, `price_date`) COMMENT '索引：用于按日期查询'
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='黄金价格记录表';
+
 -- 插入预设分类（支出）
 INSERT INTO `category` (`user_id`, `name`, `icon`, `type`, `sort_order`) VALUES
 (NULL, '餐饮', '🍔', 1, 1),