1.数据库重构

2.修改User注册登录接口

src/main/java/cn/mafangui/hotel/service/UserService.java

@@ -3,6 +3,8 @@ package cn.mafangui.hotel.service;
 
 import cn.mafangui.hotel.entity.User;
 
+import java.util.List;
+
 public interface UserService {
 
     User selectById(int id);
@@ -13,5 +15,10 @@ public interface UserService {
 
     User selectByUserName(String userName);
 
+    int count();
+
+    List<User> findAll();
+
     int updateProfile(User user);
+
 }

src/main/java/cn/mafangui/hotel/service/impl/UserServiceImpl.java

@@ -1,11 +1,14 @@
 package cn.mafangui.hotel.service.impl;
 
 import cn.mafangui.hotel.entity.User;
+
 import cn.mafangui.hotel.mapper.UserMapper;
 import cn.mafangui.hotel.service.UserService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 @Service
 public class UserServiceImpl implements UserService {
 
@@ -23,21 +26,28 @@ public class UserServiceImpl implements UserService {
     }
 
     @Override
-    public User login(String userName, String password) {
-        User user = new User();
-        user.setUserName(userName);
-        user.setPassword(password);
-        return userMapper.selectByUserNameAndPassword(user);
+    public User login(String username, String password) {
+        return userMapper.selectByUsernameAndPassword(username,password);
     }
 
     @Override
     public User selectByUserName(String userName) {
-        return userMapper.selectByUserName(userName);
+        return null;
+    }
+
+    @Override
+    public int count() {
+        return userMapper.count();
+    }
+
+    @Override
+    public List<User> findAll() {
+        return userMapper.selectAll();
     }
 
     @Override
     public int updateProfile(User user) {
-        return userMapper.updateByUserNameSelective(user);
+        return userMapper.updateByPrimaryKeySelective(user);
     }