From 1acf9a48021d0af1d81fdf3ed8fcf8dffd020f6b Mon Sep 17 00:00:00 2001
From: hongjli <3117313295@qq.com>
Date: 星期二, 15 四月 2025 14:20:51 +0800
Subject: [PATCH] 登录，注册，获取用户信息---接口

---
 src/main/java/com/weiwojc/service/impl/UserServiceImpl.java |  140 ++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 140 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/weiwojc/service/impl/UserServiceImpl.java b/src/main/java/com/weiwojc/service/impl/UserServiceImpl.java
new file mode 100644
index 0000000..50455cb
--- /dev/null
+++ b/src/main/java/com/weiwojc/service/impl/UserServiceImpl.java
@@ -0,0 +1,140 @@
+package com.weiwojc.service.impl;
+
+import com.weiwojc.mapper.UserMapper;
+import com.weiwojc.model.dto.UserLoginDTO;
+import com.weiwojc.model.dto.UserRegisterDTO;
+import com.weiwojc.model.entity.User;
+import com.weiwojc.service.UserService;
+import com.weiwojc.utils.JwtUtils;
+import com.weiwojc.utils.PasswordUtils;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.authentication.BadCredentialsException;
+import org.springframework.security.authentication.LockedException;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.time.LocalDateTime;
+import java.util.UUID;
+
+@Service
+@RequiredArgsConstructor
+public class UserServiceImpl implements UserService {
+
+    private final UserMapper userMapper;
+    private final JwtUtils jwtUtils;
+
+    @Override
+    @Transactional
+    public User register(UserRegisterDTO registerDTO) {
+        // 妫�鏌ヨ处鍙峰悕鏄惁宸插瓨鍦�
+        User existingUser = userMapper.findByUsername(registerDTO.getAccountName());
+        if (existingUser != null) {
+            throw new RuntimeException("璐﹀彿鍚嶅凡瀛樺湪");
+        }
+
+        // 鍒涘缓鏂扮敤鎴�
+        User user = new User();
+        user.setUuid(UUID.randomUUID().toString());
+        user.setUsername(registerDTO.getAccountName());
+        user.setNickname(registerDTO.getNickname());
+        
+        // 鐢熸垚鍔犲瘑瀵嗙爜
+        String salt = PasswordUtils.generateSalt();
+        String hashedPassword = PasswordUtils.hashPassword(registerDTO.getPassword(), salt);
+        user.setPasswordHash(hashedPassword);
+        user.setPasswordSalt(salt);  // 淇濆瓨鐩愬��
+
+        // 璁剧疆鍏朵粬瀛楁
+        user.setStatus(1); // 姝ｅ父鐘舵��
+        user.setRegisteredAt(LocalDateTime.now());
+        user.setUpdatedAt(LocalDateTime.now());
+
+        // 淇濆瓨鐢ㄦ埛
+        userMapper.insert(user);
+        return user;
+    }
+
+    @Override
+    public String login(UserLoginDTO loginDTO) {
+        User user = userMapper.findByUsername(loginDTO.getAccountName());
+
+        if (user == null) {
+            throw new BadCredentialsException("璐﹀彿鍚嶆垨瀵嗙爜閿欒");
+        }
+
+        // 妫�鏌ヨ处鎴风姸鎬�
+        if (user.getStatus() == 0) {
+            throw new LockedException("璐︽埛宸茶绂佺敤");
+        }
+
+        // 妫�鏌ユ槸鍚﹁閿佸畾
+        if (isUserLocked(user.getUserId())) {
+            throw new LockedException("璐︽埛宸茶閿佸畾锛岃绋嶅悗鍐嶈瘯");
+        }
+
+        // 楠岃瘉瀵嗙爜
+        if (!PasswordUtils.verifyPassword(loginDTO.getPassword(), user.getPasswordHash())) {
+            // 澧炲姞鐧诲綍澶辫触娆℃暟
+            incrementLoginAttempts(user.getUsername());
+            throw new BadCredentialsException("璐﹀彿鍚嶆垨瀵嗙爜閿欒");
+        }
+
+        // 閲嶇疆鐧诲綍澶辫触娆℃暟
+        resetLoginAttempts(user.getUsername());
+
+        // 鏇存柊鏈�鍚庣櫥褰曟椂闂�
+        updateLastLogin(user.getUserId());
+
+        // 鐢熸垚JWT浠ょ墝
+        return jwtUtils.generateToken(user);
+    }
+
+    @Override
+    public User getUserInfo(Long userId) {
+        return userMapper.findById(userId);
+    }
+
+    @Override
+    public void updateLastLogin(Long userId) {
+        userMapper.updateLastLogin(userId, LocalDateTime.now());
+    }
+
+    @Override
+    public boolean isUserLocked(Long userId) {
+        User user = userMapper.findById(userId);
+        if (user == null) {
+            return false;
+        }
+
+        // 妫�鏌ヨ处鎴烽攣瀹氱姸鎬�
+        if (user.getLockedUntil() != null && 
+            LocalDateTime.now().isBefore(user.getLockedUntil())) {
+            return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public void incrementLoginAttempts(String username) {
+        User user = userMapper.findByUsername(username);
+
+        if (user != null) {
+            int attempts = user.getLoginAttempts() == null ? 0 : user.getLoginAttempts();
+            attempts++;
+
+            LocalDateTime lockedUntil = null;
+            // 濡傛灉澶辫触娆℃暟杈惧埌5娆★紝閿佸畾30鍒嗛挓
+            if (attempts >= 5) {
+                lockedUntil = LocalDateTime.now().plusMinutes(30);
+            }
+
+            userMapper.updateLoginAttempts(user.getUserId(), attempts, lockedUntil);
+        }
+    }
+
+    @Override
+    public void resetLoginAttempts(String username) {
+        userMapper.resetLoginAttempts(username);
+    }
+} 
\ No newline at end of file

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