package com.accounting.dto; import jakarta.validation.constraints.NotBlank; import jakarta.validation.constraints.Size; import lombok.Data; @Data public class RegisterRequest { @NotBlank(message = "用户名不能为空") @Size(min = 3, max = 20, message = "用户名长度必须在3-20个字符之间") private String username; @NotBlank(message = "密码不能为空") @Size(min = 6, max = 20, message = "密码长度必须在6-20个字符之间") private String password; private String nickname; }