增加上传apk安装信息，未加鉴权

src/main/java/com/onekeycall/videotablet/service/DeviceApkInfoService.java

@@ -0,0 +1,49 @@
+package com.onekeycall.videotablet.service;
+
+import com.onekeycall.videotablet.entity.ApkInfo;
+import com.onekeycall.videotablet.entity.DeviceApkInfo;
+import com.onekeycall.videotablet.repository.DeviceApkInfoRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+import java.util.List;
+
+@Service
+public class DeviceApkInfoService {
+
+    @Autowired
+    private DeviceApkInfoRepository deviceApkInfoRepository;
+
+    /**
+     * 保存或更新设备APK列表信息
+     * 如果该sn已存在，则更新其apkList和updateTime；不存在则新增
+     */
+    public void saveOrUpdateDeviceApkInfo(String sn, List<ApkInfo> apkList) {
+        DeviceApkInfo deviceApkInfo;
+        if (deviceApkInfoRepository.existsBySn(sn)) {
+            // 存在则更新
+            deviceApkInfo = deviceApkInfoRepository.findDeviceApkInfoBySn(sn);
+            deviceApkInfo.setApkList(apkList);
+            deviceApkInfo.setUpdateTime(new Date());
+        } else {
+            // 不存在则新增
+            deviceApkInfo = new DeviceApkInfo();
+            deviceApkInfo.setSn(sn);
+            deviceApkInfo.setApkList(apkList);
+            Date now = new Date();
+            deviceApkInfo.setCreateTime(now);
+            deviceApkInfo.setUpdateTime(now);
+        }
+        deviceApkInfoRepository.save(deviceApkInfo);
+    }
+
+    /**
+     * 根据序列号sn获取设备APK列表
+     */
+    public DeviceApkInfo getDeviceApkInfoBySn(String sn) {
+        return deviceApkInfoRepository.findDeviceApkInfoBySn(sn);
+    }
+
+
+}