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 = "https://cache.yisu.com/upload/information/20201211/272/47280.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;    }  }}