雷达视频

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

@@ -1126,18 +1126,20 @@ public class DcWarningServiceImpl implements IDcWarningService {
      */
     @Override
     public String getRadarIncidentVideo(String id) throws Exception {
+
         String msg = "";
         HashMap<String, Object> stringObjectHashMap = dcWarningMapper.selectDcWarningById(id);
-        // 时间
-        String givenTime = (String) stringObjectHashMap.get("warningTime");
+        if (!stringObjectHashMap.isEmpty()) {
+            // 时间
+            String givenTime = (String) stringObjectHashMap.get("warningTime");
 
-        // 定义日期时间格式
-        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+            // 定义日期时间格式
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
 
-        // 解析时间
-        LocalDateTime currentTime = LocalDateTime.parse(givenTime, formatter);
-        // 计算 30 秒前的时间
-        LocalDateTime timeAfter30Seconds = currentTime.plus(Duration.ofSeconds(-30));
+            // 解析时间
+            LocalDateTime currentTime = LocalDateTime.parse(givenTime, formatter);
+            // 计算 30 秒前的时间
+            LocalDateTime timeAfter30Seconds = currentTime.plus(Duration.ofSeconds(-30));
 
             // 格式化时间
             String formattedTime = timeAfter30Seconds.format(formatter);
@@ -1157,15 +1159,18 @@ public class DcWarningServiceImpl implements IDcWarningService {
             String codestring = code.textValue();
             com.alibaba.fastjson.JSONObject jsonObject = videoController.downloadCameraVideo(codestring, formattedTime, UniversalEnum.ONE.getNumber());
 
-        if (jsonObject.get("code").toString().equals("500")) {
-            return null;
-        }
+            if (jsonObject.get("code").toString().equals("500")) {
+                return null;
+            }
 
             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 "";
+        }
 
     }