package com.ycl.utils;
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import com.aliyun.oss.ClientException;
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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.model.ObjectMetadata;
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import com.aliyun.oss.model.PutObjectResult;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import org.springframework.web.multipart.MultipartFile;
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import java.io.ByteArrayInputStream;
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import java.io.InputStream;
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import java.util.Date;
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import java.util.UUID;
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@Component
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public class AliyunUtils {
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private static String endpoint;
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private static String keyId;
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private static String keySecret;
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private static String bucketName;
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@Value("${aliyun.oss.endpoint}")
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public void setEndpoint(String endpoint) {
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AliyunUtils.endpoint = endpoint;
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}
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@Value("${aliyun.oss.keyId}")
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public void setKeyId(String keyId) {
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AliyunUtils.keyId = keyId;
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}
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@Value("${aliyun.oss.keySecret}")
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public void setKeySecret(String keySecret) {
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AliyunUtils.keySecret = keySecret;
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}
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@Value("${aliyun.oss.bucketName}")
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public void setBucketName(String bucketName) {
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AliyunUtils.bucketName = bucketName;
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}
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// public static String upload(InputStream inputStream, String orginalFileName){
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// // 创建OSSClient实例。
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// OSS ossClient = new OSSClientBuilder().build(endpoint, keyId, keySecret);
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// // 文件名
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// String fileName = UUID.randomUUID().toString();
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// //文件扩展名
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// String fileExtention = orginalFileName.substring(orginalFileName.lastIndexOf("."));
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// //最终的路径 类似avatar/2021/12/05/xxxxxxxxx.jpg
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// String objectName = fileName+fileExtention;
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// ossClient.putObject(bucketName, objectName, inputStream);
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// // 关闭OSSClient。
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// ossClient.shutdown();
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// return "https://"+bucketName+"."+endpoint+"/"+objectName;
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// }
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public String upload(MultipartFile file) {
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String accessKeyId = keyId;
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String accessKeySecret = keySecret;
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// 创建OSSClient实例。
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OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
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// 上传文件流
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try {
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// 获取文件的名称
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String fileName = file.getOriginalFilename();
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ObjectMetadata objectMetadata = new ObjectMetadata();
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objectMetadata.setContentType(getcontentType(fileName.substring(fileName.lastIndexOf("."))));
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// 调用oss的方法实现长传
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// 第一个参数 bucketName
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// 第二个参数 上传到oss的文件路径和文件名称
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ossClient.putObject(bucketName, fileName, new ByteArrayInputStream(file.getBytes()),objectMetadata);
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// 关闭OSSClient。
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ossClient.shutdown();
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// 把上传的文件路径返回 （手动拼接）
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// 这里设置图片有效时间 我设置了30年
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Date expiration = new Date(System.currentTimeMillis() + 946080000 * 1000);
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String url = ossClient.generatePresignedUrl(bucketName, fileName, expiration).toString();
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return url;
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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public static void delete(String link){
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if (link == null || link.equals("")) {
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return;
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}
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OSS ossClient = new OSSClientBuilder().build(endpoint, keyId, keySecret);
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try {
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ossClient.deleteObject(bucketName, link);
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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 (ClientException 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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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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// 实现图片的预览功能
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public static String getcontentType(String FilenameExtension) {
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if (FilenameExtension.equalsIgnoreCase(".bmp")) {
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return "image/bmp";
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}
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if (FilenameExtension.equalsIgnoreCase(".gif")) {
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return "image/gif";
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}
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if (FilenameExtension.equalsIgnoreCase(".jpeg") ||
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FilenameExtension.equalsIgnoreCase(".jpg") ||
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FilenameExtension.equalsIgnoreCase(".png")) {
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return "image/jpg";
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}
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if (FilenameExtension.equalsIgnoreCase(".html")) {
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return "text/html";
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}
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if (FilenameExtension.equalsIgnoreCase(".txt")) {
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return "text/plain";
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}
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if (FilenameExtension.equalsIgnoreCase(".vsd")) {
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return "application/vnd.visio";
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}
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if (FilenameExtension.equalsIgnoreCase(".pptx") ||
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FilenameExtension.equalsIgnoreCase(".ppt")) {
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return "application/vnd.ms-powerpoint";
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}
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if (FilenameExtension.equalsIgnoreCase(".docx") ||
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FilenameExtension.equalsIgnoreCase(".doc")) {
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return "application/msword";
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}
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if (FilenameExtension.equalsIgnoreCase(".xml")) {
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return "text/xml";
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}
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return "image/jpg";
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}
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}
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