package com.ycl.service.oss.impl;
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import com.aliyun.oss.ClientBuilderConfiguration;
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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.common.comm.Protocol;
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import com.aliyun.oss.model.ObjectMetadata;
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import com.ycl.service.oss.OssService;
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import com.ycl.utils.ConstantPropertiesUtils;
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import com.ycl.utils.common.RandomUtils;
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import org.springframework.stereotype.Service;
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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.ByteArrayOutputStream;
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import java.io.InputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.Date;
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import java.util.UUID;
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@Service
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public class OssServiceImpl implements OssService {
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@Override
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public String uploadImages(MultipartFile file) {
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if (file == null) {
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return "上传文件为空";
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}
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String endpoint = ConstantPropertiesUtils.END_POINT;
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String accessKeyId = ConstantPropertiesUtils.ACCESS_KEY_ID;
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String accessKeySecret = ConstantPropertiesUtils.ACCESS_KEY_SECRET;
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String bucketName = ConstantPropertiesUtils.BUCKET_NAME;
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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 = "sczf/" + 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() + (long) 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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System.out.println("uploadImages上传图片失败：");
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// e.printStackTrace();
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return null;
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}
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}
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private byte[] readInputStream(InputStream inStream) throws Exception {
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ByteArrayOutputStream outStream = new ByteArrayOutputStream();
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//创建一个Buffer字符串
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byte[] buffer = new byte[1024];
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//每次读取的字符串长度，如果为-1，代表全部读取完毕
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int len = 0;
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//使用一个输入流从buffer里把数据读取出来
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while ((len = inStream.read(buffer)) != -1) {
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//用输出流往buffer里写入数据，中间参数代表从哪个位置开始读，len代表读取的长度
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outStream.write(buffer, 0, len);
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}
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//关闭输入流
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inStream.close();
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//把outStream里的数据写入内存
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return outStream.toByteArray();
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}
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@Override
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public boolean deleteImages(String fileUrl) {
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String endpoint = ConstantPropertiesUtils.END_POINT;
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String accessKeyId = ConstantPropertiesUtils.ACCESS_KEY_ID;
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String accessKeySecret = ConstantPropertiesUtils.ACCESS_KEY_SECRET;
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String bucketName = ConstantPropertiesUtils.BUCKET_NAME;
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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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String imgFile = fileUrl.replace("https://bucket-ans.oss-cn-hangzhou.aliyuncs.com/", "");
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String fileName = imgFile.substring(0, imgFile.indexOf("?"));
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// 根据BucketName,objectName删除文件
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ossClient.deleteObject(bucketName, fileName);
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ossClient.shutdown();
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return true;
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}
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@Override
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public String uploadImages(InputStream inputStream, String ext) {
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String endpoint = ConstantPropertiesUtils.END_POINT;
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String accessKeyId = ConstantPropertiesUtils.ACCESS_KEY_ID;
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String accessKeySecret = ConstantPropertiesUtils.ACCESS_KEY_SECRET;
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String bucketName = ConstantPropertiesUtils.BUCKET_NAME;
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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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LocalDate date = LocalDate.now();
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DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMdd");
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String fileName = "sczf/" + date.format(formatter) + RandomUtils.generateRandomInt(8) + "." + ext;
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System.out.println("文件地址：" + fileName);
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ObjectMetadata objectMetadata = new ObjectMetadata();
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objectMetadata.setContentType(getcontentType(ext));
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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, inputStream, 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() + (long) 946080000 * 1000);
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String url = ossClient.generatePresignedUrl(bucketName, fileName, expiration).toString();
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System.out.println("oss上传成功：" + url);
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// URL urlO = new URL(url);
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// HttpURLConnection conn = (HttpURLConnection) urlO.openConnection();
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// conn.setRequestMethod("GET");
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// conn.setConnectTimeout(10 * 1000);
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// conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");
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//
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// InputStream inputStream2 = conn.getInputStream();// 通过输入流获取图片数据
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//
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// byte[] data = readInputStream(inputStream2);
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//
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// System.out.println("获取图片成功:" + url);
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return url;
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} catch (Exception e) {
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System.out.println("oss异常：" + e.getMessage());
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// e.printStackTrace();
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return this.uploadImages(inputStream, ext);
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}
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}
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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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