java实现上传文件到oss(阿里云)功能示例
本文实例讲述了java实现上传文件到oss(阿里云)功能。分享给大家供大家参考,具体如下:
做这个功能之前我们需要导入阿里云OSS官方提供的工具包
aliyun-sdk-oss-2.5.0.jar这个文件如果有最新版的话就下载最新版
aliyun.upload.AliyunConfig packagealiyun.upload; publicfinalclassAliyunConfig { //你的oss所在域,要加http://不明白可以对照你的文件引用地址 publicstaticStringendpoint="http://oss-cn-shenzhen.aliyuncs.com"; //密匙keyId可以在阿里云获取到 publicstaticStringaccessKeyId="xxxxxxx"; //密匙keySecret可以在阿里云获取到 publicstaticStringaccessKeySecret=""; //你的bucketName名称即是你的OSS对象名称不明白查oss开发文档专业术语 publicstaticStringbucketName=""; }
aliyun.upload.IAliyunUpload packagealiyun.upload; publicinterfaceIAliyunUpload { /** *@param *StringfilePathName本地图片路径(D:/xxxx/xxxx....../xx/xx.jgp|xx.png|..) *StringsavePathName将要保存到OSS上的路径地址 **/ publicStringuploadFile(StringfilePathName,StringsavePathName); }
aliyun.upload.AliyunUploadVersion1 packagealiyun.upload; importjava.io.File; importjava.io.IOException; importcom.aliyun.oss.ClientException; importcom.aliyun.oss.OSSClient; importcom.aliyun.oss.OSSException; importcom.aliyun.oss.model.CompleteMultipartUploadResult; importcom.aliyun.oss.model.UploadFileRequest; importcom.aliyun.oss.model.UploadFileResult; importLog.Log; /** *阿里云文件上传-简易版 **/ publicclassAliyunUploadVersion1implementsIAliyunUpload { /** *断点续传 **/ @Override publicStringuploadFile(StringuploadFile,StringsavePathName) { OSSClientossClient=newOSSClient(AliyunConfig.endpoint,AliyunConfig.accessKeyId,AliyunConfig.accessKeySecret); try{ UploadFileRequestuploadFileRequest=newUploadFileRequest(AliyunConfig.bucketName,savePathName); //待上传的本地文件 uploadFileRequest.setUploadFile(uploadFile); //设置并发下载数,默认1 uploadFileRequest.setTaskNum(5); //设置分片大小,默认100KB uploadFileRequest.setPartSize(1024*1024*1); //开启断点续传,默认关闭 uploadFileRequest.setEnableCheckpoint(true); UploadFileResultuploadResult=ossClient.uploadFile(uploadFileRequest); CompleteMultipartUploadResultmultipartUploadResult= uploadResult.getMultipartUploadResult(); returnmultipartUploadResult.getLocation(); }catch(OSSExceptionoe){ Log.e("*************************************************OSSuploadfileerrorcreate_date"+tool.Tool.getDate()+"*************************************"); Log.e("CaughtanOSSException,whichmeansyourrequestmadeittoOSS," +"butwasrejectedwithanerrorresponseforsomereason."); Log.e("ErrorMessage:"+oe.getErrorCode()); Log.e("ErrorCode:"+oe.getErrorCode()); Log.e("RequestID:"+oe.getRequestId()); Log.e("HostID:"+oe.getHostId()); Log.e("*************************************************OSSuploadfileerror*************************************"); }catch(ClientExceptionce){ Log.e("CaughtanClientException,whichmeanstheclientencountered" +"aseriousinternalproblemwhiletryingtocommunicatewithOSS," +"suchasnotbeingabletoaccessthenetwork."); Log.e("ErrorMessage:"+ce.getMessage()); }catch(Throwablee){ e.printStackTrace(); }finally{ ossClient.shutdown(); } returnnull; } }
文件上传容器
packagealiyun.upload; importorg.springframework.stereotype.Repository; @Repository("aliyun_upload") publicclassAliyunUploadextendsAliyunUploadVersion1 { /** *上传文件 **/ @Override publicStringuploadFile(StringfilePath,StringsavePathName) { returnsuper.uploadFile(filePath,savePathName); } }
spring.beans.service.UploadService文件上传服务
packagespring.beans.service; importjava.io.File; importjava.io.IOException; importjava.util.Date; importjavax.servlet.http.HttpServletRequest; importorg.springframework.stereotype.Service; importorg.springframework.web.multipart.MultipartFile; importaliyun.upload.AliyunUpload; importtool.RandomNumStr; importtool.Tool; @Service(value="upload_service") publicclassUploadService { //默认本地存储路径 privatefinalStringsave_local_path="D:/java_class/Company/WebRoot/"; //默认文件保存路径 privateStringsave_context_path="Upload/images/"; publicvoidsetSavePath(StringsavePath) { this.save_context_path=savePath; } /** *阿里云文件上传 *@param *MultipartFilefile文件流 *@return *String文件引用路径如StringfilePath="http://aliyun.xxxx.xxxx/xxxx/xxxx/xxxx.jpg" **/ publicStringaliyunUploadFile(MultipartFilefile) { //获取文件名称 StringfileName=file.getOriginalFilename(); //生成存储路径 Stringsave_handler_path=save_local_path+save_context_path; //获得文件后缀 Stringprefix=fileName.substring(fileName.lastIndexOf(".")); //存储目录 FileparentDir=newFile(save_handler_path); //存储目录是否存在 if(!parentDir.exists()) { parentDir.mkdirs(); } //生成文件存储名称 StringfileSaveName=RandomNumStr.createRandomString(7)+String.valueOf(newDate().getTime())+prefix; try{ FilesaveFile=newFile(save_handler_path,fileSaveName); //移动临时文件 file.transferTo(saveFile); //新增阿里云文件上传 AliyunUploadaliyunUpload=newAliyunUpload(); StringfileUrl=aliyunUpload.uploadFile(save_handler_path+fileSaveName,save_context_path+fileSaveName); saveFile.delete(); returnfileUrl; }catch(IOExceptione) { returnnull; } } /** *文件存储 *@param *MyltipartFilefile文件资源 *@return *文件文件存储地址 **/ publicStringlocalUploadFile(MultipartFilefile,HttpServletRequestrequest) { //获取文件名称 StringfileName=file.getOriginalFilename(); //生成存储路径 Stringsave_handler_path=save_local_path+save_context_path; //获得文件后缀 Stringprefix=fileName.substring(fileName.lastIndexOf(".")); //存储目录 FileparentDir=newFile(save_handler_path); //存储目录是否存在 if(!parentDir.exists()) { parentDir.mkdirs(); } //生成文件存储名称 StringfileSaveName=RandomNumStr.createRandomString(7)+String.valueOf(newDate().getTime())+prefix; try{ //移动临时文件 file.transferTo(newFile(save_handler_path,fileSaveName)); //文件地址 returnTool.getDomain(request)+save_context_path+fileSaveName; }catch(IOExceptione) { returnnull; } } }
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