上传阿里云oss对象型存储 本地文件和上传流上传
import java.io.ByteArrayInputStream;import java.io.File;import java.io.FileInputStream;import java.io.InputStream;import mons.fileupload.disk.DiskFileItem;import org.apache.log4j.Logger;import org.springframework.web.multipart.MultipartFile;import org.springframework.monsMultipartFile;import com.aliyun.oss.OSSClient;import com.aliyun.oss.model.Bucket;import com.aliyun.oss.model.OSSObject;import com.aliyun.oss.model.ObjectMetadata;import com.aliyun.oss.model.PutObjectResult;public class AliyunOss {//log日志private static Logger logger = Logger.getLogger(AliyunOss.class);//阿里云API的外网域名public static final String ENDPOINT = "EndPoint";//阿里云API的密钥Access Key IDpublic static final String ACCESS_KEY_ID = "Access Key ID";//阿里云API的密钥Access Key Secretpublic static final String ACCESS_KEY_SECRET = "Access Key Secret";//阿里云API的bucket名称public static final String BACKET_NAME = "Bucket";/*** 获取阿里云OSS客户端对象* @return ossClient*/public static OSSClient getOSSClient(){return new OSSClient(ENDPOINT,ACCESS_KEY_ID, ACCESS_KEY_SECRET);}/*** 创建存储空间* @param ossClientOSS连接* @param bucketName 存储空间* @return*/public static String createBucketName(OSSClient ossClient,String bucketName){//存储空间final String bucketNames=bucketName;if(!ossClient.doesBucketExist(bucketName)){//创建存储空间Bucket bucket=ossClient.createBucket(bucketName);logger.info("创建存储空间成功");return bucket.getName();}return bucketNames;}/*** 删除存储空间buckName* @param ossClient oss对象* @param bucketName 存储空间*/public static void deleteBucket(OSSClient ossClient, String bucketName){ ossClient.deleteBucket(bucketName); logger.info("删除" + bucketName + "Bucket成功"); } /*** 创建模拟文件夹* @param ossClient oss连接* @param bucketName 存储空间* @param folder 模拟文件夹名如"qj_nanjing/"* @return 文件夹名*/public static String createFolder(OSSClient ossClient,String bucketName,String folder){//文件夹名 final String keySuffixWithSlash =folder;//判断文件夹是否存在，不存在则创建if(!ossClient.doesObjectExist(bucketName, keySuffixWithSlash)){//创建文件夹ossClient.putObject(bucketName, keySuffixWithSlash, new ByteArrayInputStream(new byte[0]));logger.info("创建文件夹成功");//得到文件夹名OSSObject object = ossClient.getObject(bucketName, keySuffixWithSlash);String fileDir=object.getKey();return fileDir;}return keySuffixWithSlash;}/** * 根据key删除OSS服务器上的文件 * @param ossClient oss连接* @param bucketName 存储空间 * @param folder 模拟文件夹名 如"qj_nanjing/"* @param key Bucket下的文件的路径名+文件名 如："upload/cake.jpg"*/ public static void deleteFile(OSSClient ossClient, String bucketName, String folder, String key){ ossClient.deleteObject(bucketName, folder + key); logger.info("删除" + bucketName + "下的文件" + folder + key + "成功"); } /*** 上传图片至OSS* @param ossClient oss连接* @param file 上传文件（文件全路径如：D:\\image\\cake.jpg）* @param bucketName 存储空间* @param folder 模拟文件夹名 如"qj_nanjing/"* @return String 返回的唯一MD5数字签名* */public static String uploadObject2OSS(OSSClient ossClient, File file, String bucketName, String folder) {String resultStr = null;try {//以输入流的形式上传文件InputStream is = new FileInputStream(file);//文件名String fileName = file.getName(); //文件大小Long fileSize = file.length(); //创建上传Object的Metadata ObjectMetadata metadata = new ObjectMetadata();//上传的文件的长度metadata.setContentLength(is.available()); //指定该Object被下载时的网页的缓存行为metadata.setCacheControl("no-cache"); //指定该Object下设置Headermetadata.setHeader("Pragma", "no-cache"); //指定该Object被下载时的内容编码格式metadata.setContentEncoding("utf-8"); //文件的MIME，定义文件的类型及网页编码，决定浏览器将以什么形式、什么编码读取文件。如果用户没有指定则根据Key或文件名的扩展名生成，//如果没有扩展名则填默认值application/octet-streammetadata.setContentType(getContentType(fileName)); //指定该Object被下载时的名称（指示MINME用户代理如何显示附加的文件，打开或下载，及文件名称）metadata.setContentDisposition("filename/filesize=" + fileName + "/" + fileSize + "Byte."); //上传文件 (上传文件流的形式)PutObjectResult putResult = ossClient.putObject(bucketName, folder + fileName, is, metadata); //解析结果resultStr = putResult.getETag();} catch (Exception e) {e.printStackTrace();logger.error("上传阿里云OSS服务器异常." + e.getMessage(), e); }return resultStr;}/*** 上传图片流至OSS* @param ossClient oss连接* @param is 上传文件流* @param bucketName 存储空间* @param folder 模拟文件夹名 如"qj_nanjing/"* @param fileName 线上显示文件名* @param fileSize 文件长度* @return String 返回的唯一MD5数字签名* */public static String uploadObjectInput(OSSClient ossClient, MultipartFile file, String bucketName, String folder,String fileName,Long fileSize) {String resultStr = null;try {//将客户端上传的文件流捕捉转换成阿里云OSS要的InputStream文件流CommonsMultipartFile cf = (CommonsMultipartFile) file; DiskFileItem fi = (DiskFileItem) cf.getFileItem(); InputStream is = fi.getInputStream(); //以输入流的形式上传文件//InputStream is = new FileInputStream(file);//文件名//String fileName = file.getName(); //文件大小// Long fileSize = file.length(); //创建上传Object的Metadata ObjectMetadata metadata = new ObjectMetadata();//上传的文件的长度metadata.setContentLength(is.available()); //指定该Object被下载时的网页的缓存行为metadata.setCacheControl("no-cache"); //指定该Object下设置Headermetadata.setHeader("Pragma", "no-cache"); //指定该Object被下载时的内容编码格式metadata.setContentEncoding("utf-8"); //文件的MIME，定义文件的类型及网页编码，决定浏览器将以什么形式、什么编码读取文件。如果用户没有指定则根据Key或文件名的扩展名生成，//如果没有扩展名则填默认值application/octet-streammetadata.setContentType(getContentType(fileName)); //指定该Object被下载时的名称（指示MINME用户代理如何显示附加的文件，打开或下载，及文件名称）metadata.setContentDisposition("filename/filesize=" + fileName + "/" + fileSize + "Byte."); //上传文件 (上传文件流的形式)PutObjectResult putResult = ossClient.putObject(bucketName, folder + fileName, is, metadata); //解析结果resultStr = putResult.getETag();} catch (Exception e) {e.printStackTrace();logger.error("上传阿里云OSS服务器异常." + e.getMessage(), e); }return resultStr;}/*** 通过文件名判断并获取OSS服务文件上传时文件的contentType* @param fileName 文件名* @return 文件的contentType*/public static String getContentType(String fileName){//文件的后缀名String fileExtension = fileName.substring(fileName.lastIndexOf("."));if(".bmp".equalsIgnoreCase(fileExtension)) {return "image/bmp";}if(".gif".equalsIgnoreCase(fileExtension)) {return "image/gif";}if(".jpeg".equalsIgnoreCase(fileExtension) || ".jpg".equalsIgnoreCase(fileExtension) || ".png".equalsIgnoreCase(fileExtension) ) {return "image/jpeg";}if(".html".equalsIgnoreCase(fileExtension)) {return "text/html";}if(".txt".equalsIgnoreCase(fileExtension)) {return "text/plain";}if(".vsd".equalsIgnoreCase(fileExtension)) {return "application/vnd.visio";}if(".ppt".equalsIgnoreCase(fileExtension) || "pptx".equalsIgnoreCase(fileExtension)) {return "application/vnd.ms-powerpoint";}if(".doc".equalsIgnoreCase(fileExtension) || "docx".equalsIgnoreCase(fileExtension)) {return "application/msword";}if(".xml".equalsIgnoreCase(fileExtension)) {return "text/xml";}//默认返回类型return "image/jpeg";}//测试public static void main(String[] args) {//初始化OSSClientOSSClient ossClient=AliyunOss.getOSSClient();//上传文件String files="C:/Users/admin/Desktop/2.jpg";String[] file=files.split(",");for(String filename:file){//System.out.println("filename:"+filename);File filess=new File(filename);//本地文件上传String md5key = AliyunOss.uploadObject2OSS(ossClient, filess, BACKET_NAME, "xxx/"); //改变成网页上传的传输流MultipartFile f = (MultipartFile) filess ;long filelenth = filess.length();String fileName = filess.getName();//输入流上传String md5key1 = AliyunOss.uploadObjectInput(ossClient, f, BACKET_NAME, "xxxxx/",fileName, filelenth); }}}<dependency><groupId>com.aliyun.oss</groupId><artifactId>aliyun-sdk-oss</artifactId><version>3.10.2</version></dependency><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId><version>1.3.1</version></dependency><dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.4</version></dependency>
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