fix(用户管理增加租户选择):

在用户管理中增加租户的下拉选择，若不选择租户则默认查询所有

src/views/system/user/index.vue

@@ -62,6 +62,11 @@
               <el-table-column label="用户名称" align="center" key="userName" prop="userName" v-if="columns.userName.visible" :show-overflow-tooltip="true" />
               <el-table-column label="用户昵称" align="center" key="nickName" prop="nickName" v-if="columns.nickName.visible" :show-overflow-tooltip="true" />
               <el-table-column label="部门" align="center" key="deptName" prop="dept.deptName" v-if="columns.deptName.visible" :show-overflow-tooltip="true" />
+              <el-table-column label="所属租户" align="center" key="tenantName" v-if="columns.tenantName.visible" :show-overflow-tooltip="true">
+                <template #default="scope">
+                  <span>{{ getTenantName(scope.row.tenantId) }}</span>
+                </template>
+              </el-table-column>
               <el-table-column label="手机号码" align="center" key="phonenumber" prop="phonenumber" v-if="columns.phonenumber.visible" width="120" />
               <el-table-column label="状态" align="center" key="status" v-if="columns.status.visible">
                 <template #default="scope">
@@ -117,11 +122,21 @@
           </el-col>
         </el-row>
         <el-row>
+          <el-col :span="12">
+            <el-form-item label="所属租户" prop="tenantId">
+              <el-select v-model="form.tenantId" placeholder="请选择租户（不选则为平台管理员）" clearable style="width: 100%">
+                <el-option label="平台管理员（无租户）" :value="null" />
+                <el-option v-for="item in tenantOptions" :key="item.tenantId" :label="item.tenantName" :value="item.tenantId" />
+              </el-select>
+            </el-form-item>
+          </el-col>
           <el-col :span="12">
             <el-form-item label="手机号码" prop="phonenumber">
               <el-input v-model="form.phonenumber" placeholder="请输入手机号码" maxlength="11" />
             </el-form-item>
           </el-col>
+        </el-row>
+        <el-row>
           <el-col :span="12">
             <el-form-item label="邮箱" prop="email">
               <el-input v-model="form.email" placeholder="请输入邮箱" maxlength="50" />
@@ -217,6 +232,7 @@
 import { getToken } from "@/utils/auth"
 import useAppStore from '@/store/modules/app'
 import { changeUserStatus, listUser, resetUserPwd, delUser, getUser, updateUser, addUser, deptTreeSelect } from "@/api/system/user"
+import { listTenant } from "@/api/business/tenant"
 import { Splitpanes, Pane } from "splitpanes"
 import "splitpanes/dist/splitpanes.css"
 
@@ -241,6 +257,7 @@ const enabledDeptOptions = ref(undefined)
 const initPassword = ref(undefined)
 const postOptions = ref([])
 const roleOptions = ref([])
+const tenantOptions = ref([])
 /*** 用户导入参数 */
 const upload = reactive({
   // 是否显示弹出层（用户导入）
@@ -262,6 +279,7 @@ const columns = ref({
   userName: { label: '用户名称', visible: true },
   nickName: { label: '用户昵称', visible: true },
   deptName: { label: '部门', visible: true },
+  tenantName: { label: '所属租户', visible: true },
   phonenumber: { label: '手机号码', visible: true },
   status: { label: '状态', visible: true },
   createTime: { label: '创建时间', visible: true }
@@ -317,6 +335,20 @@ function getDeptTree() {
   })
 }
 
+/** 查询租户列表 */
+function getTenantList() {
+  listTenant({ status: '0' }).then(response => {
+    tenantOptions.value = response.rows || []
+  })
+}
+
+/** 获取租户名称 */
+function getTenantName(tenantId) {
+  if (!tenantId) return '平台管理员'
+  const tenant = tenantOptions.value.find(t => t.tenantId === tenantId)
+  return tenant ? tenant.tenantName : '-'
+}
+
 /** 过滤禁用的部门 */
 function filterDisabledDept(deptList) {
   return deptList.filter(dept => {
@@ -480,6 +512,7 @@ function reset() {
   form.value = {
     userId: undefined,
     deptId: undefined,
+    tenantId: undefined,
     userName: undefined,
     nickName: undefined,
     password: undefined,
@@ -551,6 +584,7 @@ function submitForm() {
 
 onMounted(() => {
   getDeptTree()
+  getTenantList()
   getList()
   proxy.getConfigKey("sys.user.initPassword").then(response => {
     initPassword.value = response.msg