雷达视频

zc-business/src/main/java/com/zc/business/service/impl/DcWarningServiceImpl.java

@@ -1126,8 +1126,10 @@ public class DcWarningServiceImpl implements IDcWarningService {
      */
     @Override
     public String getRadarIncidentVideo(String id) throws Exception {
+
         String msg = "";
         HashMap<String, Object> stringObjectHashMap = dcWarningMapper.selectDcWarningById(id);
+        if (!stringObjectHashMap.isEmpty()) {
             // 时间
             String givenTime = (String) stringObjectHashMap.get("warningTime");
 
@@ -1164,8 +1166,11 @@ public class DcWarningServiceImpl implements IDcWarningService {
             JsonNode data = objectMapper.readTree(jsonObject.get("data").toString());
             // 使用 textValue() 方法获取纯字符串
             String fileUrl = data.get("fileUrl").textValue();
-            return fileUrl;
 
+            return fileUrl;
+        }else {
+            return "";
+        }
 
     }