更新联系人相关功能：添加联系人控制器、服务层和Mapper实现

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

@@ -3,6 +3,8 @@ package com.bao.dating.controller;
 import com.bao.dating.context.UserContext;
 import com.bao.dating.service.ContactsService;
 
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
@@ -12,6 +14,7 @@ import java.util.List;
 import java.util.Map;
 
 @RestController
+@RequestMapping("/api/contacts")
 public class ContactsController {
     @Resource
     private ContactsService contactsService;
@@ -42,4 +45,56 @@ public class ContactsController {
         result.put("data", friends);
         return result;
     }
+
+
+
+    /**
+     * 拉黑联系人接口
+     * @param userId 当前用户ID
+     * @param contactUserId 被拉黑联系人ID
+     * @return 接口响应
+     */
+    @PostMapping("/blacklist/{userId}/{contactUserId}")
+    public ResponseEntity<Map<String, Object>> blacklistContact(
+            @PathVariable Long userId,
+            @PathVariable Long contactUserId) {
+        Map<String, Object> result = new HashMap<>();
+        boolean success = contactsService.blacklistContact(userId, contactUserId);
+        if (success) {
+            result.put("code", 200);
+            result.put("msg", "拉黑联系人成功");
+            result.put("data", null);
+            return ResponseEntity.ok(result);
+        } else {
+            result.put("code", 500);
+            result.put("msg", "拉黑联系人失败，联系人不存在或参数错误");
+            result.put("data", null);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(result);
+        }
+    }
+
+    /**
+     * 删除联系人接口
+     * @param userId 当前用户ID
+     * @param contactUserId 被删除联系人ID
+     * @return 接口响应
+     */
+    @PostMapping("/delete/{userId}/{contactUserId}")
+    public ResponseEntity<Map<String, Object>> deleteContact(
+            @PathVariable Long userId,
+            @PathVariable Long contactUserId) {
+        Map<String, Object> result = new HashMap<>();
+        boolean success = contactsService.deleteContact(userId, contactUserId);
+        if (success) {
+            result.put("code", 200);
+            result.put("msg", "删除联系人成功");
+            result.put("data", null);
+            return ResponseEntity.ok(result);
+        } else {
+            result.put("code", 500);
+            result.put("msg", "删除联系人失败，联系人不存在或参数错误");
+            result.put("data", null);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(result);
+        }
+    }
 }

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

@@ -17,4 +17,20 @@ public interface ContactMapper {
      */
     List<Map<String, Object>> selectFriendsByUserId(@Param("userId") Long userId);
 
+
+    /**
+     * 拉黑联系人
+     * @param userId 当前用户ID
+     * @param contactUserId 被拉黑的联系人ID
+     * @return 影响行数
+     */
+    int blacklistContact(@Param("userId") Long userId, @Param("contactUserId") Long contactUserId);
+
+    /**
+     * 删除联系人（逻辑删除）
+     * @param userId 当前用户ID
+     * @param contactUserId 被删除的联系人ID
+     * @return 影响行数
+     */
+    int deleteContact(@Param("userId") Long userId, @Param("contactUserId") Long contactUserId);
 }

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

@@ -15,6 +15,20 @@ public interface ContactsService {
     List<Map<String, Object>> getFriendsByUserId(Long userId);
 
 
+    /**
+     * 拉黑联系人
+     * @param userId 当前用户ID
+     * @param contactUserId 被拉黑联系人ID
+     * @return 操作是否成功
+     */
+    boolean blacklistContact(Long userId, Long contactUserId);
 
+    /**
+     * 删除联系人（逻辑删除）
+     * @param userId 当前用户ID
+     * @param contactUserId 被删除联系人ID
+     * @return 操作是否成功
+     */
+    boolean deleteContact(Long userId, Long contactUserId);
 }
 

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

@@ -5,6 +5,7 @@ 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 org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 import java.util.Map;
@@ -19,4 +20,34 @@ public class ContactServiceImpl implements ContactsService {
         // 直接调用Mapper查询，无额外封装
         return contactMapper.selectFriendsByUserId(userId);
     }
+
+    /**
+     * 拉黑联系人
+     */
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public boolean blacklistContact(Long userId, Long contactUserId) {
+        // 参数校验
+        if (userId == null || contactUserId == null || userId.equals(contactUserId)) {
+            return false;
+        }
+        // 执行拉黑操作
+        int affectRows = contactMapper.blacklistContact(userId, contactUserId);
+        return affectRows > 0;
+    }
+
+    /**
+     * 删除联系人
+     */
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public boolean deleteContact(Long userId, Long contactUserId) {
+        // 参数校验
+        if (userId == null || contactUserId == null || userId.equals(contactUserId)) {
+            return false;
+        }
+        // 执行删除操作
+        int affectRows = contactMapper.deleteContact(userId, contactUserId);
+        return affectRows > 0;
+    }
 }

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

@@ -21,5 +21,29 @@
           AND c.relation_type != 3  -- 排除黑名单
           AND c.user_id != c.contact_user_id -- 排除自己
     </select>
+
+
+    <!-- 拉黑联系人：更新relation_type为3（黑名单）、contact_status为3（已拉黑） -->
+    <update id="blacklistContact">
+        UPDATE contacts
+        SET relation_type = 3,
+            contact_status = 3,
+            updated_at = CURRENT_TIMESTAMP
+        WHERE user_id = #{userId}
+          AND contact_user_id = #{contactUserId}
+          AND contact_status != 2
+    </update>
+
+    <!-- 删除联系人：更新contact_status为2（已删除） -->
+    <update id="deleteContact">
+        UPDATE contacts
+        SET contact_status = 2,
+            updated_at = CURRENT_TIMESTAMP
+        WHERE user_id = #{userId}
+          AND contact_user_id = #{contactUserId}
+          AND contact_status != 2
+    </update>
 </mapper>
 
+
+