后台修改用户电话或邮箱接口

src/main/java/com/peanut/modules/book/controller/MyUserController.java

@@ -126,6 +126,10 @@ public class MyUserController {
      */
     @RequestMapping("/update")
     public R update(@RequestBody MyUserEntity user){
+        boolean b = userService.checkUserTelOrEmail(user);
+        if(!b){
+            return R.error("电话或邮箱已存在");
+        }
         userService.updateById(user);
         return R.ok();
     }

src/main/java/com/peanut/modules/book/service/MyUserService.java

@@ -47,6 +47,7 @@ public interface MyUserService extends IService<MyUserEntity> {
 
     boolean checkUserBook(Integer userId,Integer bookId);
 
+    boolean checkUserTelOrEmail(MyUserEntity user);
 
 }
 

src/main/java/com/peanut/modules/book/service/impl/MyUserServiceImpl.java

@@ -431,4 +431,12 @@ public class MyUserServiceImpl extends ServiceImpl<MyUserDao, MyUserEntity> impl
         }
     }
 
+    @Override
+    public boolean checkUserTelOrEmail(MyUserEntity user) {
+        LambdaQueryWrapper<MyUserEntity> wrapper = new LambdaQueryWrapper<>();
+        wrapper.ne(MyUserEntity::getId,user.getId());
+        wrapper.eq(MyUserEntity::getTel,user.getTel()).or().eq(MyUserEntity::getEmail,user.getEmail());
+        MyUserEntity one = getOne(wrapper);
+        return one == null;
+    }
 }