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zhanghua

2023-04-21 cfe431f7938d40cbf2478119baa8a0eab9b746d6

 ycl-platform/src/main/java/com/ycl/controller/platformApi/AlarmController.java

@@ -1,6 +1,7 @@
package com.ycl.controller.platformApi;

import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.ycl.annotation.LogSave;
import com.ycl.api.CommonResult;
import com.ycl.dto.video.AlarmParam;
import com.ycl.enums.common.ResultCode;
@@ -14,11 +15,16 @@
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.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Base64;
import java.util.Dictionary;
import java.util.Hashtable;

/**
 * @author admin
@@ -28,6 +34,8 @@
@RequestMapping("/API")
public class AlarmController {
    private IVideoAlarmReportService videoAlarmReportService;

    private static Dictionary<String, Integer> sessionDic = new Hashtable<>();

    @Autowired
    private VideoUtil videoUtil;
@@ -39,6 +47,7 @@

    @ApiOperation("视频报警推送API")
    @PostMapping("/AlarmReport")
    @LogSave(operationType = "报警管理", contain = "视频报警推送")
    public CommonResult alarmReport(@RequestBody @Validated AlarmParam alarmParam) {
        videoAlarmReportService.save(alarmParam);
        return new CommonResult(ResultCode.SUCCESS.getCode(), ResultCode.SUCCESS.getMessage());
@@ -64,25 +73,71 @@
    @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) {
    public byte[] getImages(HttpServletRequest request, HttpServletResponse response,
                            @RequestParam String fileUrl, @RequestParam(required = false) String OSSAccessKeyId,
                            @RequestParam(required = false) 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, String sessionId) {
        int index = sessionDic.get(sessionId);
        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 (sessionDic.get(sessionId) < 10) {
                sessionDic.remove(sessionId);
                fileUrl = fileUrl.replace("Expires","v");
                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) {
            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;
    }

    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