修改getUserByOpenId方法

book-server/src/main/java/com/book/server/service/impl/UserServiceImpl.java

@@ -14,11 +14,7 @@ public class UserServiceImpl implements UserService {
 
     @Override
     public User getUserByOpenId(String openid) {
-        User user = userMapper.selectOneByExample(
-                UserExample.newAndCreateCriteria()
-                        .andOpenidEqualTo(openid)
-                        .example()
-        );
-        return user;
+        User user1 = userMapper.selectByOpenId(openid);
+        return user1;
     }
 }