增加添加联系人接口，未完成

src/main/java/com/onekeycall/videotablet/controller/ContactController.java

@@ -0,0 +1,61 @@
+package com.onekeycall.videotablet.controller;
+
+import com.onekeycall.videotablet.entity.Contact;
+import com.onekeycall.videotablet.entity.DeviceInfo;
+import com.onekeycall.videotablet.entity.User;
+import com.onekeycall.videotablet.result.Result;
+import com.onekeycall.videotablet.service.DeviceSnService;
+import com.onekeycall.videotablet.service.UserService;
+import com.onekeycall.videotablet.utils.JwtUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/contact")
+public class ContactController {
+    @Autowired
+    private JwtUtil jwtUtil;
+    @Autowired
+    private UserService userService;
+    @Autowired
+    private DeviceSnService deviceSnService;
+
+    @Autowired
+    private RedisTemplate<String, Object> redisTemplate;
+
+    Logger logger = LoggerFactory.getLogger(ContactController.class);
+
+    @PostMapping("/user_add_contact")
+    public Result userAddContact(
+            @RequestHeader("Authorization") String authHeader, @RequestHeader("Device-ID") String deviceId,
+            @RequestParam(value = "user_id") String userId, @RequestParam(value = "sn") String sn
+            , @RequestBody Contact contact) {
+
+        if (!authHeader.startsWith("Bearer ")) {
+            return Result.error().message("Invalid Authorization header");
+        }
+        String token = authHeader.substring(7); // 去掉 "Bearer " 前缀
+
+        if (!jwtUtil.validateAccessToken(userId, token, deviceId)) {
+            return Result.error().message("Invalid token");
+        }
+
+        User user = userService.getUserByUserId(userId);
+        if (user == null) {
+            return Result.error().message("user not found");
+        }
+        DeviceInfo deviceInfo = deviceSnService.findBySn(sn);
+        if (deviceInfo == null) {
+            return Result.error().message("device not found");
+        }
+
+        if (!deviceInfo.getUserId().equals(userId)) {
+            return Result.error().message("device not belong to user");
+        }
+
+        return Result.ok();
+    }
+}

src/main/java/com/onekeycall/videotablet/entity/Contact.java

@@ -6,11 +6,12 @@ import lombok.Data;
 @Data
 @Entity
 @Table(name = "tablet_default_settings")
-public class Contacts {
+public class Contact {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id",unique = true, nullable = false)
     private Long id;
 
 
+
 }