| | |
| | | import org.springframework.validation.annotation.Validated; |
| | | import org.springframework.web.bind.annotation.*; |
| | | |
| | | import javax.servlet.http.HttpServletRequest; |
| | | import javax.servlet.http.HttpServletResponse; |
| | | import java.io.ByteArrayOutputStream; |
| | | import java.io.IOException; |
| | |
| | | import java.net.HttpURLConnection; |
| | | import java.net.URL; |
| | | import java.util.Base64; |
| | | import java.util.Dictionary; |
| | | import java.util.Hashtable; |
| | | |
| | | /** |
| | | * @author admin |
| | |
| | | public class AlarmController { |
| | | private IVideoAlarmReportService videoAlarmReportService; |
| | | |
| | | private static Integer index = 0; |
| | | private static Dictionary<String, Integer> sessionDic = new Hashtable<>(); |
| | | |
| | | @Autowired |
| | | private VideoUtil videoUtil; |
| | |
| | | @GetMapping(value = "/img", produces = {MediaType.IMAGE_JPEG_VALUE, MediaType.IMAGE_PNG_VALUE}) |
| | | // @GetMapping(value = "/img") |
| | | @ResponseBody |
| | | public byte[] getImages(HttpServletResponse response, @RequestParam String fileUrl, @RequestParam String OSSAccessKeyId, @RequestParam String Signature) { |
| | | |
| | | index = 0; |
| | | return getBytes(fileUrl, OSSAccessKeyId, Signature); |
| | | public byte[] getImages(HttpServletRequest request, HttpServletResponse response, |
| | | @RequestParam String fileUrl, @RequestParam String OSSAccessKeyId, @RequestParam String Signature) { |
| | | String sessionId = request.getSession().getId(); |
| | | sessionDic.put(sessionId, 0); |
| | | return getBytes(fileUrl, OSSAccessKeyId, Signature, sessionId); |
| | | |
| | | } |
| | | |
| | | private byte[] getBytes(String fileUrl, String OSSAccessKeyId, String Signature) { |
| | | private byte[] getBytes(String fileUrl, String OSSAccessKeyId, String Signature, String sessionId) { |
| | | int index = sessionDic.get(sessionId); |
| | | try { |
| | | if (index < 10) { |
| | | index++; |
| | | if (sessionDic.get(sessionId) < 10) { |
| | | sessionDic.remove(sessionId); |
| | | System.out.println("getImages获取图片地址:" + fileUrl + "&OSSAccessKeyId=" + OSSAccessKeyId + "&Signature=" + Signature); |
| | | URL url = new URL(fileUrl + "&OSSAccessKeyId=" + OSSAccessKeyId + "&Signature=" + Signature); |
| | | HttpURLConnection conn = (HttpURLConnection) url.openConnection(); |
| | |
| | | return data; |
| | | } |
| | | } catch (Exception e) { |
| | | System.out.println(index + "getImages获取图片失败:" + e.getMessage()); |
| | | getBytes(fileUrl, OSSAccessKeyId, Signature); |
| | | // e.printStackTrace(); |
| | | index++; |
| | | sessionDic.put(sessionId, index); |
| | | System.out.println(index + "-getImages获取图片失败:" + e.getMessage()); |
| | | e.printStackTrace(); |
| | | getBytes(fileUrl, OSSAccessKeyId, Signature, sessionId); |
| | | |
| | | } |
| | | return null; |
| | | } |