feat: 添加联系人管理和好友关系功能

src/main/java/com/bao/dating/DatingApplication.java

@@ -3,9 +3,11 @@ package com.bao.dating;
 import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableScheduling;
 
 @MapperScan("com.bao.dating.mapper")
 @SpringBootApplication
+@EnableScheduling
 public class DatingApplication {
     public static void main(String[] args) {
         SpringApplication.run(DatingApplication.class, args);

src/main/java/com/bao/dating/config/RedisConfig.java

@@ -0,0 +1,29 @@
+package com.bao.dating.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+
+@Configuration
+public class RedisConfig {
+
+    @Bean
+    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
+        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
+        redisTemplate.setConnectionFactory(redisConnectionFactory);
+        
+        // 设置key的序列化器
+        redisTemplate.setKeySerializer(new StringRedisSerializer());
+        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
+        
+        // 设置value的序列化器
+        redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
+        redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
+        
+        redisTemplate.afterPropertiesSet();
+        return redisTemplate;
+    }
+}

src/main/java/com/bao/dating/config/WebConfig.java

@@ -29,7 +29,8 @@ public class WebConfig implements WebMvcConfigurer {
                 .addPathPatterns("/**")
                 // 忽略的接口
                 .excludePathPatterns(
-                        "/user/login"
+                        "/user/login",
+                        "/api/verification/send-email-code"
                 );
     }
 }

src/main/java/com/bao/dating/controller/ContactsController.java

@@ -0,0 +1,45 @@
+package com.bao.dating.controller;
+
+import com.bao.dating.context.UserContext;
+import com.bao.dating.service.ContactsService;
+
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@RestController
+public class ContactsController {
+    @Resource
+    private ContactsService contactsService;
+
+    /**
+     * 查询好友列表
+     * @return 响应结果
+     */
+    @GetMapping("/friends")
+    public Map<String, Object> getFriends() {
+
+        // 从UserContext获取当前用户ID
+        Long userId = UserContext.getUserId();
+        if (userId == null) {
+            Map<String, Object> error = new HashMap<>();
+            error.put("code", 401);
+            error.put("msg", "用户未授权");
+            return error;
+        }
+
+        // 查询好友列表
+        List<Map<String, Object>> friends = contactsService.getFriendsByUserId(userId);
+
+        // 构造响应
+        Map<String, Object> result = new HashMap<>();
+        result.put("code", 200);
+        result.put("msg", "查询成功");
+        result.put("data", friends);
+        return result;
+    }
+}

src/main/java/com/bao/dating/controller/FriendController.java

@@ -0,0 +1,122 @@
+package com.bao.dating.controller;
+
+import com.bao.dating.context.UserContext;
+import com.bao.dating.service.FriendRelationService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/friend-relation")
+public class FriendController {
+    @Autowired
+    private FriendRelationService friendRelationService;
+
+    /**
+     * 发送添加好友申请（写入数据库申请表）
+     * @param targetUserId 被申请人ID
+     * @param greeting 打招呼内容
+     * @return 操作结果
+     */
+    @PostMapping("/apply")
+    public Map<String, Object> sendFriendApply(
+            @RequestParam("targetUserId") Long targetUserId,
+            @RequestParam(value = "greeting", defaultValue = "你好，加个好友吧") String greeting) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            Long applyUserId = UserContext.getUserId();
+            if (applyUserId == null) {
+                result.put("code", 401);
+                result.put("msg", "用户未登录");
+                return result;
+            }
+            friendRelationService.addFriendApply(applyUserId, targetUserId, greeting);
+            result.put("code", 200);
+            result.put("msg", "好友申请发送成功");
+        } catch (Exception e) {
+            result.put("code", 500);
+            result.put("msg", "发送失败：" + e.getMessage());
+        }
+        return result;
+    }
+
+    /**
+     * 同意好友申请
+     * @param applyUserId 申请人ID
+     * @param targetUserId 被申请人ID（当前登录用户）
+     * @param contactNickname 给申请人的备注名
+     * @return 操作结果
+     */
+    @PostMapping("/agree")
+    public Map<String, Object> agreeFriendApply(
+            @RequestParam("applyUserId") Long applyUserId,
+            @RequestParam("targetUserId") Long targetUserId,
+            @RequestParam(value = "contactNickname", required = false) String contactNickname) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            // 1. 同意申请（更新申请状态+删除/标记）
+            friendRelationService.agreeFriendApply(applyUserId, targetUserId);
+            // 2. 保存好友关系到通讯录表
+            friendRelationService.addFriendRelation(targetUserId, applyUserId, contactNickname);
+            friendRelationService.addFriendRelation(applyUserId, targetUserId, null);
+            result.put("code", 200);
+            result.put("msg", "同意好友申请成功");
+        } catch (Exception e) {
+            result.put("code", 500);
+            result.put("msg", "同意失败：" + e.getMessage());
+        }
+        return result;
+    }
+
+    /**
+     * 查询待处理的好友申请
+     * @return 申请列表
+     */
+    @GetMapping("/apply/list")
+    public Map<String, Object> getApplyList() {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            Long targetUserId = UserContext.getUserId();
+            if (targetUserId == null) {
+                result.put("code", 401);
+                result.put("msg", "用户未登录");
+                return result;
+            }
+            List<Map<String, Object>> applyList = friendRelationService.getFriendApplyList(targetUserId);
+            result.put("code", 200);
+            result.put("msg", "查询成功");
+            result.put("data", applyList);
+        } catch (Exception e) {
+            result.put("code", 500);
+            result.put("msg", "查询失败：" + e.getMessage());
+        }
+        return result;
+    }
+
+    /**
+     * 测试查询联系人
+     * @return 联系人列表
+     */
+    @GetMapping("/list")
+    public Map<String, Object> getFriendRelationList() {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            Long userId = UserContext.getUserId();
+            if (userId == null) {
+                result.put("code", 401);
+                result.put("msg", "用户未登录");
+                return result;
+            }
+            result.put("code", 200);
+            result.put("msg", "查询成功");
+            result.put("data", friendRelationService.getFriendRelationList(userId));
+        } catch (Exception e) {
+            result.put("code", 500);
+            result.put("msg", "查询失败：" + e.getMessage());
+        }
+        return result;
+    }
+}

src/main/java/com/bao/dating/controller/text.java

@@ -0,0 +1,4 @@
+package com.bao.dating.controller;
+
+public class text {
+}

src/main/java/com/bao/dating/mapper/ContactMapper.java

@@ -0,0 +1,20 @@
+package com.bao.dating.mapper;
+
+import com.bao.dating.pojo.entity.Contacts;
+import com.bao.dating.pojo.entity.User;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+import java.util.Map;
+
+@Mapper
+public interface ContactMapper {
+    /**
+     * 根据用户ID查询好友列表（仅正常状态、非黑名单的好友）
+     * @param userId 当前用户ID
+     * @return 好友列表（包含联系人+用户基础信息）
+     */
+    List<Map<String, Object>> selectFriendsByUserId(@Param("userId") Long userId);
+
+}

src/main/java/com/bao/dating/mapper/FriendRelationMapper.java

@@ -0,0 +1,61 @@
+package com.bao.dating.mapper;
+
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+import java.util.Map;
+
+public interface FriendRelationMapper {
+    /**
+     * 插入好友申请
+     * @param params 申请参数（匹配friend_apply表字段）
+     */
+    void insertFriendApply(Map<String, Object> params);
+
+    /**
+     * 根据申请人ID和被申请人ID查询好友申请
+     * @param applyUserId 申请人ID
+     * @param targetUserId 被申请人ID
+     * @return 好友申请记录
+     */
+    Map<String, Object> selectFriendApplyByUsers(@Param("applyUserId") Long applyUserId, @Param("targetUserId") Long targetUserId);
+
+    /**
+     * 更新好友申请状态
+     * @param params 更新参数
+     */
+    void updateFriendApplyStatus(Map<String, Object> params);
+
+    /**
+     * 删除好友申请（可选）
+     * @param params 删除条件
+     */
+    void deleteFriendApply(Map<String, Object> params);
+
+    /**
+     * 查询待处理的好友申请
+     * @param targetUserId 被申请人ID
+     * @return 申请列表
+     */
+    List<Map<String, Object>> selectFriendApplyList(@Param("targetUserId") Long targetUserId);
+
+    /**
+     * 插入联系人记录
+     * @param params 插入参数（匹配contacts表字段）
+     */
+    void insertFriendRelation(Map<String, Object> params);
+
+    /**
+     * 根据用户ID查询联系人列表
+     * @param userId 用户ID
+     * @return 联系人列表
+     */
+    List<Map<String, Object>> selectFriendRelationListByUserId(@Param("userId") Long userId);
+
+    /**
+     * 删除过期的好友申请
+     * @param days 过期天数
+     * @return 删除的记录数
+     */
+    int deleteExpiredFriendApply(@Param("days") Integer days);
+}

src/main/java/com/bao/dating/mapper/PostMapper.java

@@ -27,6 +27,27 @@ public interface PostMapper {
      */
     int deletePostByIds(List<Long> postIds);
     
+    /**
+     * 根据动态ID删除收藏记录
+     *
+     * @param postId 动态ID
+     */
+    int deletePostFavoriteByPostId(Long postId);
+    
+    /**
+     * 根据动态ID删除点赞记录
+     *
+     * @param postId 动态ID
+     */
+    int deletePostLikeByPostId(Long postId);
+    
+    /**
+     * 根据动态ID删除评论记录
+     *
+     * @param postId 动态ID
+     */
+    int deleteCommentsByPostId(Long postId);
+
     /**
      * 根据ID查询动态
      *

src/main/java/com/bao/dating/mapper/UserMapper.java

@@ -3,6 +3,7 @@ package com.bao.dating.mapper;
 import com.bao.dating.pojo.dto.UserInfoUpdateDTO;
 import com.bao.dating.pojo.entity.User;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
 
 /**
  * 用户Mapper
@@ -33,4 +34,5 @@ public interface UserMapper {
      */
     void updateUserInfoByUserId(UserInfoUpdateDTO userInfoUpdateDTO);
 
+
 }

src/main/java/com/bao/dating/pojo/entity/Contacts.java

@@ -0,0 +1,24 @@
+package com.bao.dating.pojo.entity;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.Date;
+import java.util.List;
+
+@Data
+public class Contacts {
+    private Long contactId;         // 通讯录记录ID
+    private Long userId;            // 当前用户ID
+    private Long contactUserId;     // 联系人用户ID
+    private String contactNickname; // 联系人备注名
+    private String contactAvatar;   // 联系人头像缓存
+    private Integer relationType;   // 关系类型（1普通好友/2特别关注/3黑名单/4陌生人）
+    private Date addTime;           // 添加时间
+    private Date lastChatTime;      // 最后聊天时间
+    private Integer contactStatus;  // 联系人状态（1正常/2已删除/3已拉黑）
+    private String contactRemark;   // 备注信息
+    private List<String> tags;      // 标签（JSON数组）
+    private Date createdAt;         // 创建时间
+    private Date updatedAt;         // 更新时间
+}

src/main/java/com/bao/dating/pojo/entity/FriendApply.java

@@ -0,0 +1,60 @@
+package com.bao.dating.pojo.entity;
+
+import lombok.Data;
+
+import java.util.Date;
+
+/**
+ * 好友申请实体类
+ * @author KilLze
+ */
+@Data
+public class FriendApply {
+    /**
+     * 申请ID，主键
+     * 对应字段：apply_id
+     */
+    private Long applyId;
+
+    /**
+     * 申请人ID（对应user表user_id）
+     * 对应字段：apply_user_id
+     */
+    private Long applyUserId;
+
+    /**
+     * 被申请人ID（对应user表user_id）
+     * 对应字段：target_user_id
+     */
+    private Long targetUserId;
+
+    /**
+     * 打招呼内容
+     * 对应字段：greeting
+     */
+    private String greeting;
+
+    /**
+     * 申请时间
+     * 对应字段：apply_time
+     */
+    private Date applyTime;
+
+    /**
+     * 申请状态：0-待处理，1-已同意，2-已拒绝
+     * 对应字段：apply_status
+     */
+    private Byte applyStatus;
+
+    /**
+     * 创建时间
+     * 对应字段：created_at
+     */
+    private Date createdAt;
+
+    /**
+     * 更新时间
+     * 对应字段：updated_at
+     */
+    private Date updatedAt;
+}

src/main/java/com/bao/dating/service/ContactsService.java

@@ -0,0 +1,20 @@
+package com.bao.dating.service;
+
+
+import com.bao.dating.pojo.entity.User;
+
+import java.util.List;
+import java.util.Map;
+
+public interface ContactsService {
+    /**
+     * 根据用户ID查询好友列表
+     * @param userId 用户ID
+     * @return 好友列表
+     */
+    List<Map<String, Object>> getFriendsByUserId(Long userId);
+
+
+
+}
+

src/main/java/com/bao/dating/service/FriendRelationService.java

@@ -0,0 +1,43 @@
+package com.bao.dating.service;
+
+import java.util.List;
+import java.util.Map;
+
+public interface FriendRelationService {
+    /**
+     * 新增好友申请
+     * @param applyUserId 申请人ID
+     * @param targetUserId 被申请人ID
+     * @param greeting 打招呼内容
+     */
+    void addFriendApply(Long applyUserId, Long targetUserId, String greeting);
+
+    /**
+     * 同意好友申请（更新状态/删除记录）
+     * @param applyUserId 申请人ID
+     * @param targetUserId 被申请人ID
+     */
+    void agreeFriendApply(Long applyUserId, Long targetUserId);
+
+    /**
+     * 查询待处理的好友申请
+     * @param targetUserId 被申请人ID
+     * @return 申请列表
+     */
+    List<Map<String, Object>> getFriendApplyList(Long targetUserId);
+
+    /**
+     * 添加好友到通讯录表
+     * @param userId 当前用户ID
+     * @param contactUserId 联系人ID
+     * @param contactNickname 备注名
+     */
+    void addFriendRelation(Long userId, Long contactUserId, String contactNickname);
+
+    /**
+     * 查询用户的联系人列表
+     * @param userId 当前用户ID
+     * @return 联系人列表
+     */
+    List<Map<String, Object>> getFriendRelationList(Long userId);
+}

src/main/java/com/bao/dating/service/impl/ContactServiceImpl.java

@@ -0,0 +1,22 @@
+package com.bao.dating.service.impl;
+
+import com.bao.dating.mapper.ContactMapper;
+import com.bao.dating.service.ContactsService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Map;
+
+@Service
+public class ContactServiceImpl implements ContactsService {
+    @Autowired
+    private ContactMapper contactMapper;
+
+    @Override
+    public List<Map<String, Object>> getFriendsByUserId(Long userId) {
+        // 直接调用Mapper查询，无额外封装
+        return contactMapper.selectFriendsByUserId(userId);
+    }
+}

src/main/java/com/bao/dating/service/impl/FriendRelationServiceImpl.java

@@ -0,0 +1,81 @@
+package com.bao.dating.service.impl;
+
+import com.bao.dating.mapper.FriendRelationMapper;
+import com.bao.dating.service.FriendRelationService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@Service
+public class FriendRelationServiceImpl implements FriendRelationService {
+
+    @Autowired
+    private FriendRelationMapper friendRelationMapper;
+
+    /**
+     * 新增好友申请（写入数据库）
+     */
+    @Override
+    public void addFriendApply(Long applyUserId, Long targetUserId, String greeting) {
+        // 检查是否已存在待处理的申请
+        Map<String, Object> existingApply = friendRelationMapper.selectFriendApplyByUsers(applyUserId, targetUserId);
+        if (existingApply != null) {
+            throw new RuntimeException("好友申请已存在，请勿重复发送");
+        }
+        
+        Map<String, Object> params = new HashMap<>();
+        params.put("apply_user_id", applyUserId);
+        params.put("target_user_id", targetUserId);
+        params.put("greeting", greeting);
+        friendRelationMapper.insertFriendApply(params);
+    }
+
+    /**
+     * 同意好友申请（更新状态为已同意，也可直接删除）
+     */
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void agreeFriendApply(Long applyUserId, Long targetUserId) {
+        Map<String, Object> params = new HashMap<>();
+        params.put("apply_user_id", applyUserId);
+        params.put("target_user_id", targetUserId);
+        params.put("apply_status", 1); // 1-已同意
+        friendRelationMapper.updateFriendApplyStatus(params);
+        // 也可选择直接删除申请记录：friendRelationMapper.deleteFriendApply(params);
+    }
+
+    /**
+     * 查询待处理的好友申请
+     */
+    @Override
+    public List<Map<String, Object>> getFriendApplyList(Long targetUserId) {
+        return friendRelationMapper.selectFriendApplyList(targetUserId);
+    }
+
+    /**
+     * 添加好友到通讯录表（严格匹配contacts表字段）
+     */
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void addFriendRelation(Long userId, Long contactUserId, String contactNickname) {
+        Map<String, Object> params = new HashMap<>();
+        params.put("user_id", userId);
+        params.put("contact_user_id", contactUserId);
+        params.put("contact_nickname", contactNickname);
+        params.put("relation_type", 1); // 1-普通好友
+        params.put("contact_status", 1); // 1-正常
+        friendRelationMapper.insertFriendRelation(params);
+    }
+
+    /**
+     * 查询用户的联系人列表
+     */
+    @Override
+    public List<Map<String, Object>> getFriendRelationList(Long userId) {
+        return friendRelationMapper.selectFriendRelationListByUserId(userId);
+    }
+}

src/main/java/com/bao/dating/service/impl/PostServiceImpl.java

@@ -188,7 +188,7 @@ public class PostServiceImpl implements PostService {
         // 判断用户权限
         Long userId = UserContext.getUserId();
 
-        // 遍历所有要删除的帖子ID，验证权限
+        // 遍历所有要删除的帖子ID，验证权限并删除相关记录
         for (Long postId : postIds) {
             Post post = postMapper.selectById(postId);
             if (post == null) {
@@ -198,6 +198,12 @@ public class PostServiceImpl implements PostService {
             if (post.getUserId() == null || !post.getUserId().equals(userId)) {
                 throw new RuntimeException("无权限删除此动态");
             }
+            // 删除相关的收藏记录
+            postMapper.deletePostFavoriteByPostId(postId);
+            // 删除相关的点赞记录
+            postMapper.deletePostLikeByPostId(postId);
+            // 删除相关的评论记录
+            postMapper.deleteCommentsByPostId(postId);
         }
         // 批量删除动态
         return postMapper.deletePostByIds(postIds);

src/main/java/com/bao/dating/task/FriendApplyCleanupTask.java

@@ -0,0 +1,36 @@
+package com.bao.dating.task;
+
+import com.bao.dating.mapper.FriendRelationMapper;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+/**
+ * 好友申请清理定时任务
+ * 定时清理数据库中超过7天未处理的好友申请
+ * @author KilLze
+ */
+@Slf4j
+@Component
+public class FriendApplyCleanupTask {
+
+    @Autowired
+    private FriendRelationMapper friendRelationMapper;
+
+    /**
+     * 定时清理过期的好友申请
+     * 每1分钟执行一次，清理创建时间超过7天的未处理申请
+     */
+    @Scheduled(fixedRate = 60000) // 每1分钟执行一次
+    public void cleanupExpiredFriendApply() {
+        log.info("开始执行好友申请清理任务");
+        try {
+            // 删除创建时间超过7天的未处理申请（apply_status = 0）
+            int deletedCount = friendRelationMapper.deleteExpiredFriendApply(7);
+            log.info("好友申请清理任务执行完成，删除了 {} 条过期记录", deletedCount);
+        } catch (Exception e) {
+            log.error("好友申请清理任务执行失败", e);
+        }
+    }
+}

src/main/java/com/bao/dating/util/EmailUtil.java

@@ -84,6 +84,7 @@ public class EmailUtil {
         } catch (MessagingException e) {
             log.error("HTML邮件发送失败，收件人：{}，异常信息：{}", to, e.getMessage(), e);
             return false;
+
         }
     }
 
@@ -173,6 +174,7 @@ public class EmailUtil {
         }
         log.info("批量邮件发送完成，总数：{}，成功：{}", toList.length, successCount);
         return successCount;
+
     }
 }
 

src/main/java/com/bao/dating/util/MD5Util.java

@@ -0,0 +1,93 @@
+package com.bao.dating.util;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * MD5工具类
+ * 提供MD5加密功能
+ * @author KilLze
+ */
+public class MD5Util {
+    
+    /**
+     * 对字符串进行MD5加密
+     * @param input 待加密的字符串
+     * @return MD5加密后的32位小写字符串
+     */
+    public static String encrypt(String input) {
+        if (input == null || input.isEmpty()) {
+            return null;
+        }
+        
+        try {
+            MessageDigest md = MessageDigest.getInstance("MD5");
+            byte[] digest = md.digest(input.getBytes());
+            return bytesToHex(digest);
+        } catch (NoSuchAlgorithmException e) {
+            throw new RuntimeException("MD5算法不可用", e);
+        }
+    }
+    
+    /**
+     * 对字符串进行MD5加密（带盐值）
+     * @param input 待加密的字符串
+     * @param salt 盐值
+     * @return MD5加密后的32位小写字符串
+     */
+    public static String encryptWithSalt(String input, String salt) {
+        if (input == null || input.isEmpty()) {
+            return null;
+        }
+        if (salt == null) {
+            salt = "";
+        }
+        return encrypt(input + salt);
+    }
+    
+    /**
+     * 验证字符串与MD5值是否匹配
+     * @param input 原始字符串
+     * @param md5Hash MD5哈希值
+     * @return 是否匹配
+     */
+    public static boolean verify(String input, String md5Hash) {
+        if (input == null || md5Hash == null) {
+            return false;
+        }
+        return encrypt(input).equalsIgnoreCase(md5Hash);
+    }
+    
+    /**
+     * 验证字符串与MD5值是否匹配（带盐值）
+     * @param input 原始字符串
+     * @param salt 盐值
+     * @param md5Hash MD5哈希值
+     * @return 是否匹配
+     */
+    public static boolean verifyWithSalt(String input, String salt, String md5Hash) {
+        if (input == null || md5Hash == null) {
+            return false;
+        }
+        if (salt == null) {
+            salt = "";
+        }
+        return encryptWithSalt(input, salt).equalsIgnoreCase(md5Hash);
+    }
+    
+    /**
+     * 将字节数组转换为十六进制字符串
+     * @param bytes 字节数组
+     * @return 十六进制字符串
+     */
+    private static String bytesToHex(byte[] bytes) {
+        StringBuilder sb = new StringBuilder();
+        for (byte b : bytes) {
+            sb.append(String.format("%02x", b));
+        }
+        return sb.toString();
+    }
+}
+
+
+

src/main/resources/application.yml

@@ -39,7 +39,6 @@ spring:
           connectiontimeout: 10000  # 连接超时时间（毫秒）
           timeout: 10000  # 读取超时时间（毫秒）
           writetimeout: 10000  # 写入超时时间（毫秒）
-
 # MyBatis 配置
 mybatis:
   mapper-locations: classpath:mapper/*.xml

src/main/resources/com/bao/dating/mapper/ContactMapper.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+
+<mapper namespace="com.bao.dating.mapper.ContactMapper">
+    <select id="selectFriendsByUserId" resultType="java.util.Map">
+        SELECT c.contact_id,
+               c.user_id,
+               c.contact_user_id,
+               c.contact_nickname,
+               c.relation_type,
+               c.add_time,
+               u.user_name,
+               u.nickname,
+               u.avatar_url,
+               u.signature
+        FROM contacts c
+                 LEFT JOIN user u ON c.contact_user_id = u.user_id
+        WHERE c.user_id = #{userId}
+          AND c.contact_status = 1 -- 正常状态
+          AND c.relation_type != 3  -- 排除黑名单
+          AND c.user_id != c.contact_user_id -- 排除自己
+    </select>
+</mapper>
+

src/main/resources/com/bao/dating/mapper/FriendRelationMapper.xml

@@ -0,0 +1,130 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+
+<mapper namespace="com.bao.dating.mapper.FriendRelationMapper">
+    <!-- 插入好友申请 -->
+    <insert id="insertFriendApply" parameterType="java.util.Map">
+        INSERT INTO friend_apply (
+            apply_user_id,
+            target_user_id,
+            greeting,
+            apply_time,
+            apply_status,
+            created_at,
+            updated_at
+        ) VALUES (
+                     #{apply_user_id},
+                     #{target_user_id},
+                     #{greeting},
+                     NOW(),
+                     0,
+                     NOW(),
+                     NOW()
+                 )
+    </insert>
+
+    <!-- 更新好友申请状态 -->
+    <update id="updateFriendApplyStatus" parameterType="java.util.Map">
+        UPDATE friend_apply
+        SET apply_status = #{apply_status},
+            updated_at = NOW()
+        WHERE apply_user_id = #{apply_user_id}
+          AND target_user_id = #{target_user_id}
+          AND apply_status = 0
+    </update>
+
+    <!-- 删除好友申请（可选） -->
+    <delete id="deleteFriendApply" parameterType="java.util.Map">
+        DELETE FROM friend_apply
+        WHERE apply_user_id = #{apply_user_id}
+          AND target_user_id = #{target_user_id}
+    </delete>
+
+    <!-- 根据申请人ID和被申请人ID查询好友申请 -->
+    <select id="selectFriendApplyByUsers" parameterType="java.util.Map" resultType="java.util.Map">
+        SELECT
+            apply_id,
+            apply_user_id,
+            target_user_id,
+            greeting,
+            apply_time,
+            apply_status,
+            created_at,
+            updated_at
+        FROM friend_apply
+        WHERE apply_user_id = #{applyUserId}
+          AND target_user_id = #{targetUserId}
+          AND apply_status = 0
+    </select>
+
+    <!-- 查询待处理的好友申请 -->
+    <select id="selectFriendApplyList" parameterType="java.lang.Long" resultType="java.util.Map">
+        SELECT
+            apply_id,
+            apply_user_id,
+            target_user_id,
+            greeting,
+            apply_time,
+            apply_status,
+            created_at,
+            updated_at
+        FROM friend_apply
+        WHERE target_user_id = #{targetUserId}
+          AND apply_status = 0
+        ORDER BY apply_time DESC
+    </select>
+
+    <!-- 插入联系人记录（方法名同步修改，字段名不变） -->
+    <insert id="insertFriendRelation" parameterType="java.util.Map">
+        INSERT INTO contacts (
+            user_id,
+            contact_user_id,
+            contact_nickname,
+            relation_type,
+            contact_status,
+            add_time,
+            created_at,
+            updated_at
+        ) VALUES (
+                     #{user_id},
+                     #{contact_user_id},
+                     #{contact_nickname},
+                     #{relation_type},
+                     #{contact_status},
+                     NOW(),
+                     NOW(),
+                     NOW()
+                 )
+    </insert>
+
+    <!-- 查询联系人列表（方法名同步修改，字段名不变） -->
+    <select id="selectFriendRelationListByUserId" parameterType="java.lang.Long" resultType="java.util.Map">
+        SELECT
+            contact_id,
+            user_id,
+            contact_user_id,
+            contact_nickname,
+            contact_avatar,
+            relation_type,
+            add_time,
+            last_chat_time,
+            contact_status,
+            contact_remark,
+            tags,
+            created_at,
+            updated_at
+        FROM contacts
+        WHERE user_id = #{userId}
+          AND contact_status = 1
+        ORDER BY add_time DESC
+    </select>
+
+    <!-- 删除过期的好友申请 -->
+    <delete id="deleteExpiredFriendApply" parameterType="java.lang.Integer">
+        DELETE FROM friend_apply
+        WHERE apply_status = 0
+          AND created_at &lt; DATE_SUB(NOW(), INTERVAL #{days} DAY)
+    </delete>
+
+</mapper>

src/main/resources/com/bao/dating/mapper/PostMapper.xml

@@ -36,15 +36,15 @@
         </foreach>
     </delete>
     <!--删除收藏记录-->
-    <delete id="1">
+    <delete id="deletePostFavoriteByPostId">
         DELETE FROM post_favorite WHERE post_id = #{postId}
     </delete>
     <!--删除点赞记录-->
-    <delete id="2">
+    <delete id="deletePostLikeByPostId">
         DELETE FROM post_like WHERE post_id = #{postId}
     </delete>
     <!--动态评论删除-->
-    <delete id="3">
+    <delete id="deleteCommentsByPostId">
         DELETE FROM comments WHERE post_id = #{postId}
     </delete>
 

src/main/resources/com/bao/dating/mapper/UserMapper.xml

@@ -74,4 +74,6 @@
         </set>
         WHERE user_id = #{userId}
     </update>
+
+
 </mapper>