java中怎么将文件上传到oss
java中怎么将文件上传到oss，相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。
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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.AliyunConfigpackage aliyun.upload;public final class AliyunConfig { //你的oss所在域，要加http:// 不明白可以对照你的文件引用地址 public static String endpoint = "http://oss-cn-shenzhen.aliyuncs.com"; //密匙keyId 可以在阿里云获取到 public static String accessKeyId = "xxxxxxx"; //密匙keySecret 可以在阿里云获取到 public static String accessKeySecret = ""; //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 public static String bucketName = "";}
aliyun.upload.IAliyunUploadpackage aliyun.upload;public interface IAliyunUpload { /** * @param * String filePathName 本地图片路径（D:/xxxx/xxxx....../xx/xx.jgp|xx.png|..） * String savePathName 将要保存到OSS上的路径地址 * */ public String uploadFile(String filePathName,String savePathName);}
aliyun.upload.AliyunUploadVersion1package aliyun.upload;import java.io.File;import java.io.IOException;import com.aliyun.oss.ClientException;import com.aliyun.oss.OSSClient;import com.aliyun.oss.OSSException;import com.aliyun.oss.model.CompleteMultipartUploadResult;import com.aliyun.oss.model.UploadFileRequest;import com.aliyun.oss.model.UploadFileResult;import Log.Log;/** * 阿里云文件上传 - 简易版 * */public class AliyunUploadVersion1 implements IAliyunUpload{ /** * 断点续传 * */ @Override public String uploadFile(String uploadFile,String savePathName) { OSSClient ossClient = new OSSClient(AliyunConfig.endpoint, AliyunConfig.accessKeyId, AliyunConfig.accessKeySecret); try { UploadFileRequest uploadFileRequest = new UploadFileRequest(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); UploadFileResult uploadResult = ossClient.uploadFile(uploadFileRequest); CompleteMultipartUploadResult multipartUploadResult = uploadResult.getMultipartUploadResult(); return multipartUploadResult.getLocation(); } catch (OSSException oe) { Log.e("*************************************************OSS upload file error create_date " + tool.Tool.getDate() + "*************************************"); Log.e("Caught an OSSException, which means your request made it to OSS, " + "but was rejected with an error response for some reason."); Log.e("Error Message: " + oe.getErrorCode()); Log.e("Error Code: " + oe.getErrorCode()); Log.e("Request ID: " + oe.getRequestId()); Log.e("Host ID: " + oe.getHostId()); Log.e("*************************************************OSS upload file error*************************************"); } catch (ClientException ce) { Log.e("Caught an ClientException, which means the client encountered " + "a serious internal problem while trying to communicate with OSS, " + "such as not being able to access the network."); Log.e("Error Message: " + ce.getMessage()); } catch (Throwable e) { e.printStackTrace(); } finally { ossClient.shutdown(); } return null; }}
文件上传容器
package aliyun.upload;import org.springframework.stereotype.Repository;@Repository("aliyun_upload")public class AliyunUpload extends AliyunUploadVersion1{ /** * 上传文件 * */ @Override public String uploadFile(String filePath,String savePathName) { return super.uploadFile(filePath,savePathName); }}
spring.beans.service.UploadService 文件上传服务
package spring.beans.service;import java.io.File;import java.io.IOException;import java.util.Date;import javax.servlet.http.HttpServletRequest;import org.springframework.stereotype.Service;import org.springframework.web.multipart.MultipartFile;import aliyun.upload.AliyunUpload;import tool.RandomNumStr;import tool.Tool;@Service(value="upload_service")public class UploadService { //默认 本地存储路径 private final String save_local_path = "D:/java_class/Company/WebRoot/"; //默认 文件保存路径 private String save_context_path = "Upload/images/"; public void setSavePath(String savePath) { this.save_context_path = savePath; } /** * 阿里云文件上传 * @param * MultipartFile file 文件流 * @return * String 文件引用路径 如 String filePath = "/upload/otherpic71/47280.jpg" * */ public String aliyunUploadFile(MultipartFile file) { //获取文件名称 String fileName = file.getOriginalFilename(); //生成存储路径 String save_handler_path = save_local_path + save_context_path; //获得文件后缀 String prefix=fileName.substring(fileName.lastIndexOf(".")); //存储目录 File parentDir = new File(save_handler_path); //存储目录是否存在 if(!parentDir.exists()) { parentDir.mkdirs(); } //生成文件存储名称 String fileSaveName = RandomNumStr.createRandomString(7) + String.valueOf(new Date().getTime()) + prefix; try{ File saveFile = new File(save_handler_path,fileSaveName); //移动临时文件 file.transferTo(saveFile); //新增阿里云文件上传 AliyunUpload aliyunUpload = new AliyunUpload(); String fileUrl = aliyunUpload.uploadFile(save_handler_path+fileSaveName,save_context_path+fileSaveName); saveFile.delete(); return fileUrl; }catch(IOException e) { return null; } } /** * 文件存储 * @param * MyltipartFile file 文件资源 * @return * 文件文件存储地址 * */ public String localUploadFile(MultipartFile file,HttpServletRequest request) { //获取文件名称 String fileName = file.getOriginalFilename(); //生成存储路径 String save_handler_path = save_local_path + save_context_path; //获得文件后缀 String prefix=fileName.substring(fileName.lastIndexOf(".")); //存储目录 File parentDir = new File(save_handler_path); //存储目录是否存在 if(!parentDir.exists()) { parentDir.mkdirs(); } //生成文件存储名称 String fileSaveName = RandomNumStr.createRandomString(7) + String.valueOf(new Date().getTime()) + prefix; try{ //移动临时文件 file.transferTo(new File(save_handler_path,fileSaveName)); //文件地址 return Tool.getDomain(request) + save_context_path + fileSaveName; }catch(IOException e) { return null; } }}
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