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();
     }