新增oss工具类
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package com.muyu.common.core.utils;
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import com.aliyun.oss.OSS;
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import com.aliyun.oss.OSSClientBuilder;
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import com.aliyun.oss.OSSException;
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import com.aliyun.oss.common.auth.CredentialsProviderFactory;
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import com.aliyun.oss.common.auth.EnvironmentVariableCredentialsProvider;
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import com.aliyun.oss.common.utils.BinaryUtil;
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import com.aliyun.oss.model.*;
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import com.aliyuncs.exceptions.ClientException;
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import lombok.extern.log4j.Log4j2;
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import org.springframework.web.multipart.MultipartFile;
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import java.io.*;
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import java.text.SimpleDateFormat;
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import java.time.LocalDateTime;
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import java.util.Date;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import java.util.UUID;
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/**
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* @Description Oss工具
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*/
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@Log4j2
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public class OssUtil {
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/**
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* Endpoint 存储对象概述 阿里云主账号AccessKey，accessKeySecret拥有所有API的访问权限 访问路径前缀 存储对象概述
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*/
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private static String endPoint = "oss-cn-shanghai.aliyuncs.com";
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private static String accessKeyId = "LTAI5tN9vdDeBioiVbGG3UG3";
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private static String accessKeySecret = "gzhfYLb0UX0zH35DOki9yi1Q35ndgS";
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// 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
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private static EnvironmentVariableCredentialsProvider credentialsProvider;
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private static final Integer OSS_TASK_NUM = 5;
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/**
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* 取值范围为100 KB~5 GB。默认值为100 KB
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*/
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private static final Integer OSS_PART_SIZE = 1024 * 1024; //1MB
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/**
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* 开启断点续传
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*/
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private static final Boolean OSS_ENABLE_CHECKPOINT = true;
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/**
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* bucket名称
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*
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* @return
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*/
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private static String bucketName = "wangxin-123";
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private static String accessPre = "https://"+bucketName+"."+endPoint+"/";
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private static OSS ossClient;
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static {
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try {
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credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
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} catch (ClientException e) {
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throw new RuntimeException(e);
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}
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ossClient = new OSSClientBuilder().build(
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endPoint,
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accessKeyId,
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accessKeySecret);
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log.info("oss服务连接成功！");
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}
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/**
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* 默认路径上传本地文件
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*
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* @param filePath
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*/
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public static String uploadFile(String filePath) {
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return uploadFileForBucket(bucketName, getOssFilePath(filePath), filePath);
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}
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/**
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* 默认路径上传multipartFile文件
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*
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* @param multipartFile
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*/
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public static String uploadMultipartFile(MultipartFile multipartFile) throws IOException {
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return uploadMultipartFile(bucketName, getOssFilePath(multipartFile.getOriginalFilename()), multipartFile);
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}
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/**
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* 上传 multipartFile 类型文件
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*
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* @param bucketName
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* @param ossPath
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* @param multipartFile
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*/
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public static String uploadMultipartFile(String bucketName, String ossPath, MultipartFile multipartFile) throws IOException {
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InputStream inputStream = null;
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try {
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inputStream = multipartFile.getInputStream();
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uploadFileInputStreamForBucket(bucketName, ossPath, inputStream);
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} catch (IOException e) {
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e.printStackTrace();
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}finally {
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if (null != inputStream) {
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inputStream.close();
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}
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}
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return accessPre + ossPath;
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}
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/**
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* 使用File上传PutObject上传文件 ** 程序默认使用次方法上传
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*
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* @param bucketName 实例名称
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* @param ossPath oss存储路径
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* @param filePath 本地文件路径
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* @return 文件路径
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*/
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public static String uploadFileForBucket(String bucketName, String ossPath, String filePath) {
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// 创建PutObjectRequest对象。
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PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, ossPath, new File(filePath));
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// 上传
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ossClient.putObject(putObjectRequest);
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return accessPre + ossPath;
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}
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/**
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* 使用文件流上传到指定的bucket实例
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*
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* @param bucketName 实例名称
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* @param ossPath oss存储路径
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* @param filePath 本地文件路径
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*/
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public static String uploadFileInputStreamForBucket(String bucketName, String ossPath, String filePath) {
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// 填写本地文件的完整路径。如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件流。
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InputStream inputStream = null;
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try {
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inputStream = new FileInputStream(filePath);
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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}
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// 填写Bucket名称和Object完整路径。Object完整路径中不能包含Bucket名称。
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uploadFileInputStreamForBucket(bucketName, ossPath, inputStream);
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//断点续传
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uploadFileBreakpointResume(bucketName, ossPath, filePath);
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return accessPre + ossPath;
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}
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public static void uploadFileInputStreamForBucket(String bucketName, String ossPath, InputStream inputStream) {
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ossClient.putObject(bucketName, ossPath, inputStream);
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}
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public static void uploadFileBreakpointResume(String bucketName, String ossPath, String filePath) {
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try {
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// 通过UploadFileRequest设置多个参数。
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// 依次填写Bucket名称（例如examplebucket）以及Object完整路径（例如exampledir/exampleobject.txt），Object完整路径中不能包含Bucket名称。
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UploadFileRequest uploadFileRequest = new UploadFileRequest(bucketName, ossPath);
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// 通过UploadFileRequest设置单个参数。
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// 填写本地文件的完整路径，例如D:\\localpath\\examplefile.txt。如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件。
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uploadFileRequest.setUploadFile(filePath);
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// 指定上传并发线程数，默认值为1。
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uploadFileRequest.setTaskNum(OSS_TASK_NUM);
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// 指定上传的分片大小，单位为字节，取值范围为100 KB~5 GB。默认值为100 KB。
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uploadFileRequest.setPartSize(OSS_PART_SIZE);
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// 开启断点续传，默认关闭。
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uploadFileRequest.setEnableCheckpoint(OSS_ENABLE_CHECKPOINT);
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// 记录本地分片上传结果的文件。上传过程中的进度信息会保存在该文件中，如果某一分片上传失败，再次上传时会根据文件中记录的点继续上传。上传完成后，该文件会被删除。
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// 如果未设置该值，默认与待上传的本地文件同路径，名称为${uploadFile}.ucp。
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//uploadFileRequest.setCheckpointFile();
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// 设置上传回调，参数为Callback类型。
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//uploadFileRequest.setCallback("yourCallbackEvent");
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// 断点续传上传。
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ossClient.uploadFile(uploadFileRequest);
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} catch (OSSException oe) {
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System.out.println("Caught an OSSException, which means your request made it to OSS, "
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+ "but was rejected with an error response for some reason.");
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System.out.println("Error Message:" + oe.getErrorMessage());
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System.out.println("Error Code:" + oe.getErrorCode());
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System.out.println("Request ID:" + oe.getRequestId());
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System.out.println("Host ID:" + oe.getHostId());
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} catch (Throwable ce) {
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System.out.println("Caught an ClientException, which means the client encountered "
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+ "a serious internal problem while trying to communicate with OSS, "
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+ "such as not being able to access the network.");
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System.out.println("Error Message:" + ce.getMessage());
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} finally {
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// 关闭OSSClient。
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if (ossClient != null) {
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ossClient.shutdown();
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}
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}
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}
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/**
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* 下载
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*
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* @param ossFilePath
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* @param filePath
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*/
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public static void downloadFile(String ossFilePath, String filePath) {
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downloadFileForBucket(bucketName, ossFilePath, filePath);
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}
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/**
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* 下载
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*
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* @param bucketName 实例名称
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* @param ossFilePath oss存储路径
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* @param filePath 本地文件路径
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*/
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public static void downloadFileForBucket(String bucketName, String ossFilePath, String filePath) {
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ossClient.getObject(new GetObjectRequest(bucketName, ossFilePath), new File(filePath));
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}
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/**
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* @return
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*/
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public static String getOssDefaultPath() {
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LocalDateTime now = LocalDateTime.now();
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String url =
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now.getYear() + "/" +
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now.getMonth() + "/" +
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now.getDayOfMonth() + "/" +
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now.getHour() + "/" +
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now.getMinute() + "/";
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return url;
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}
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public static String getOssFilePath(String filePath) {
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String fileSuf = filePath.substring(filePath.indexOf(".") + 1);
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return getOssDefaultPath() + UUID.randomUUID().toString() + "." + fileSuf;
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}
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public static Map<String,String> getUrl() throws ClientException {
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// 设置上传到OSS文件的前缀，可置空此项。置空后，文件将上传至Bucket的根目录下。
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String date = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
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String dir = "uploadTest/"+date+"/";
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OSS ossClient = new OSSClientBuilder().build(endPoint, credentialsProvider);
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try {
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long expireTime = 30;
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long expireEndTime = System.currentTimeMillis() + expireTime * 1000;
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Date expiration = new Date(expireEndTime);
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// PostObject请求最大可支持的文件大小为5 GB，即CONTENT_LENGTH_RANGE为5*1024*1024*1024。
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PolicyConditions policyConds = new PolicyConditions();
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policyConds.addConditionItem(PolicyConditions.COND_CONTENT_LENGTH_RANGE, 0, 1048576000);
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policyConds.addConditionItem(MatchMode.StartWith, PolicyConditions.COND_KEY, dir);
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String postPolicy = ossClient.generatePostPolicy(expiration, policyConds);
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byte[] binaryData = postPolicy.getBytes("utf-8");
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String accessId = credentialsProvider.getCredentials().getAccessKeyId();
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String encodedPolicy = BinaryUtil.toBase64String(binaryData);
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String postSignature = ossClient.calculatePostSignature(postPolicy);
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Map<String, String> respMap = new LinkedHashMap<String, String>();
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respMap.put("accessId", accessId);
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respMap.put("policy", encodedPolicy);
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respMap.put("signature", postSignature);
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respMap.put("dir", dir);
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respMap.put("host", accessPre);
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respMap.put("expire", String.valueOf(expireEndTime / 1000));
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// respMap.put("expire", formatISO8601Date(expiration));
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return respMap;
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} catch (Exception e) {
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throw new ClientException("【上传文件失败】：返回前端所需参数异常;【原因】：{}",e.getMessage());
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} finally {
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ossClient.shutdown();
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}
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}
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}
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