| | |
| | | |
| | | import javax.servlet.http.HttpServletResponse; |
| | | import java.io.ByteArrayOutputStream; |
| | | import java.io.IOException; |
| | | import java.io.InputStream; |
| | | import java.net.HttpURLConnection; |
| | | import java.net.URL; |
| | | import java.util.Base64; |
| | | |
| | | /** |
| | | * @author admin |
| | |
| | | @RequestMapping("/API") |
| | | public class AlarmController { |
| | | private IVideoAlarmReportService videoAlarmReportService; |
| | | |
| | | private static Integer index = 0; |
| | | |
| | | @Autowired |
| | | private VideoUtil videoUtil; |
| | |
| | | // @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); |
| | | |
| | | } |
| | | |
| | | private byte[] getBytes(String fileUrl, String OSSAccessKeyId, String Signature) { |
| | | try { |
| | | URL url = new URL(fileUrl + "&OSSAccessKeyId=" + OSSAccessKeyId +"&Signature=" + Signature); |
| | | HttpURLConnection conn = (HttpURLConnection) url.openConnection(); |
| | | conn.setRequestMethod("GET"); |
| | | conn.setConnectTimeout(10 * 1000); |
| | | conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)"); |
| | | if (index < 10) { |
| | | index++; |
| | | 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(); |
| | | conn.setRequestMethod("GET"); |
| | | conn.setConnectTimeout(10 * 1000); |
| | | conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)"); |
| | | |
| | | InputStream inputStream = conn.getInputStream();// 通过输入流获取图片数据 |
| | | InputStream inputStream = conn.getInputStream();// 通过输入流获取图片数据 |
| | | |
| | | byte[] data = readInputStream(inputStream); |
| | | return data; |
| | | byte[] data = readInputStream(inputStream); |
| | | System.out.println("getImages获取图片成功"); |
| | | |
| | | return data; |
| | | } |
| | | } catch (Exception e) { |
| | | e.printStackTrace(); |
| | | System.out.println(index + "getImages获取图片失败:" + e.getMessage()); |
| | | getBytes(fileUrl, OSSAccessKeyId, Signature); |
| | | // e.printStackTrace(); |
| | | } |
| | | return null; |
| | | } |
| | | |
| | | private static String inputStream2Base64(InputStream is) throws Exception { |
| | | byte[] data = null; |
| | | try { |
| | | ByteArrayOutputStream swapStream = new ByteArrayOutputStream(); |
| | | byte[] buff = new byte[100]; |
| | | int rc = 0; |
| | | while ((rc = is.read(buff, 0, 100)) > 0) { |
| | | swapStream.write(buff, 0, rc); |
| | | } |
| | | data = swapStream.toByteArray(); |
| | | } catch (IOException e) { |
| | | e.printStackTrace(); |
| | | } finally { |
| | | if (is != null) { |
| | | try { |
| | | is.close(); |
| | | } catch (IOException e) { |
| | | throw new Exception("输入流关闭异常"); |
| | | } |
| | | } |
| | | } |
| | | |
| | | return Base64.getEncoder().encodeToString(data); |
| | | } |
| | | |
| | | private byte[] readInputStream(InputStream inStream) throws Exception { |
| | | ByteArrayOutputStream outStream = new ByteArrayOutputStream(); |
| | | //创建一个Buffer字符串 |