再次优化注册逻辑，修复登录bug

User/User/src/main/java/com/example/User/Entity/User.java

@@ -7,4 +7,5 @@ public class User {
     private Integer id;
     private String username;
     private String password;
+    private String confirmPassword;
 }

User/User/src/main/java/com/example/User/Exceptions/LoginFailedException.java

@@ -0,0 +1,8 @@
+package com.example.User.Exceptions;
+
+//处理登陆失败异常
+public class LoginFailedException extends Exception{
+    public LoginFailedException(String message){
+        super(message);
+    }
+}

User/User/src/main/java/com/example/User/Service/UserService.java

@@ -27,6 +27,10 @@ public class UserService {
         if (user.getPassword() == null || user.getPassword().trim().isEmpty()) {
             throw new InvalidInputException("密码不能为空");
         }
+        //比较两次输入的密码
+        if (!user.getPassword().equals(user.getConfirmPassword())) {
+            throw new InvalidInputException("两次输入的密码不一致");
+        }
 
         //检测用户名是否存在
         User existUser = userMapper.selectByUsername(user.getUsername());
@@ -43,10 +47,10 @@ public class UserService {
     }
 
     //用户登录
-    public User login(String username, String password) throws Exception {
+    public User login(String username, String password) throws LoginFailedException {
         User user = userMapper.selectByUsername(username);
-        if (user == null || !user.getPassword().equals(password)) {
-            throw new Exception("登陆失败，账号或密码错误");
+        if (user == null || !passwordEncoder.matches(password, user.getPassword())) {
+            throw new LoginFailedException("登陆失败，账号或密码错误");
         }
         return user;
     }