家长注册判断手机号上是否被使用

src/main/java/com/xjrsoft/module/organization/controller/UserController.java

@@ -7,6 +7,7 @@ import cn.dev33.satoken.stp.StpUtil;
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.core.toolkit.StringPool;
@@ -741,6 +742,18 @@ public class UserController {
     @ApiOperation(value = "家长注册")
     @XjrLog(value = "家长注册", saveResponseData = true)
     public R register(@Valid @RequestBody RegisterDto dto) {
+        //验证家长手机号是否已经注册
+        LambdaQueryWrapper<User> userLambdaQueryWrapper = new LambdaQueryWrapper<>();
+        userLambdaQueryWrapper
+                .eq(User::getMobile, dto.getMobile())
+                .eq(User::getDeleteMark, DeleteMark.NODELETE.getCode())
+                .last("limit 1")
+                ;
+        User user =  userService.getOne(userLambdaQueryWrapper);
+        if(ObjectUtils.isNotEmpty(user)){
+            throw new MyException("当前手机号已被" + user.getName() + "使用，请更换手机号注册！");
+        }
+
         // 验证验证码
         if (!smsCtcc.captchaVerify(dto.getMobile(), dto.getSmsCode())) {
             return R.error("验证码不正确！");