图片显示修改，删除脏数据

zhanghua

2025-03-04 0f5901bbc027e2e8d934280ca659734a61f67378

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

@@ -2,6 +2,14 @@

import cn.hutool.json.JSONConverter;
import com.alibaba.fastjson.JSONObject;
import com.aliyun.oss.ClientBuilderConfiguration;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.common.auth.CredentialsProviderFactory;
import com.aliyun.oss.common.auth.EnvironmentVariableCredentialsProvider;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyuncs.exceptions.ClientException;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.ycl.annotation.LogSave;
@@ -13,6 +21,7 @@
import com.ycl.service.video.IVideoAlarmReportService;
import com.ycl.service.video.impl.IVideoPointService;
import com.ycl.util.VideoUtil;
import com.ycl.utils.ConstantPropertiesUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.SneakyThrows;
@@ -29,10 +38,7 @@
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Base64;
import java.util.Dictionary;
import java.util.Hashtable;
import java.util.List;
import java.util.*;

/**
 * @author admin
@@ -151,19 +157,61 @@

    }

    private URL translateOSSUrl(String fileUrl) {
        OSS ossClient = null;
        try {
            String endpoint = ConstantPropertiesUtils.END_POINT;
            String accessKeyId = ConstantPropertiesUtils.ACCESS_KEY_ID;
            String accessKeySecret = ConstantPropertiesUtils.ACCESS_KEY_SECRET;
            String bucketName = ConstantPropertiesUtils.BUCKET_NAME;

            String[] urlArray = fileUrl.split("Expires=");

//            System.out.println("-------urlArray[0]:" + urlArray[0]);

//            System.out.println("-------PREFIX_URL:" + ConstantPropertiesUtils.PREFIX_URL);
            String objectName = urlArray[0].replace(ConstantPropertiesUtils.PREFIX_URL, "");

            objectName = objectName.replace("?", "");
//            System.out.println("-------objectName:" + objectName);
            ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

            // 设置签名URL过期时间，单位为毫秒。本示例以设置过期时间为1小时为例。
            Date expiration = new Date(new Date().getTime() + 3600 * 1000L);
            // 生成以GET方法访问的签名URL。本示例没有额外请求头，其他人可以直接通过浏览器访问相关内容。
            URL url = ossClient.generatePresignedUrl(bucketName, objectName, expiration);

            return url;
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return null;
    }

    private byte[] getBytes(String fileUrl, String OSSAccessKeyId, String Signature, String sessionId) {
        int index = sessionDic.get(sessionId);
        try {
            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 = null;
                if (StringUtils.isNotBlank(OSSAccessKeyId) && StringUtils.isNotBlank(Signature)) {
                    url = new URL(fileUrl + "&OSSAccessKeyId=" + OSSAccessKeyId + "&Signature=" + Signature);
                } else {
                    url = new URL(fileUrl);
                }
                URL url = translateOSSUrl(fileUrl);
//                fileUrl = fileUrl.replace("Expires", "v");
////                System.out.println("getImages获取图片地址：" + fileUrl + "&OSSAccessKeyId=" + OSSAccessKeyId + "&Signature=" + Signature);
//                URL url = null;
//                if (StringUtils.isNotBlank(OSSAccessKeyId) && StringUtils.isNotBlank(Signature)) {
//                    url = new URL(fileUrl + "&OSSAccessKeyId=" + OSSAccessKeyId + "&Signature=" + Signature);
//                } else {
//                    url = new URL(fileUrl);
//                }

                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                conn.setRequestMethod("GET");
                conn.setConnectTimeout(10 * 1000);