上传下载oss的工具类-自用

package com.kingdee.eas.base.attachment.common;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;


import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.model.GetObjectRequest;
import com.aliyun.oss.model.OSSObject;
import com.aliyun.oss.model.PutObjectRequest;
import com.kingdee.bos.BOSException;
import com.kingdee.bos.Context;
import com.kingdee.eas.base.attachment.ftp.AttachmentDownloadServer;
import com.kingdee.eas.common.EASBizException;
import com.kingdee.eas.srt.common.util.ExceptionUtil;
import com.kingdee.eas.srt.common.util.ParamUtil;

public class OSSClientUtil {
    private static String endpoint;
    // 使用刚刚创建的accessKeyId和accessKeySecret
    private static String accessKeyId;
    private static String accessKeySecret;
    private static String bucketName;
    /**
     * 上传附件到oss
     * @param ctx 上下文
     * @param path 上传路径
     * @param fileName 文件名
     * @param content 文件字节流
     * @throws EASBizException
     * @throws BOSException
     */
    public static void uploadOSS(Context ctx,String number,String path,String fileName,byte[] content) throws EASBizException, BOSException {
        //获取oss参数
        dealwithParam(ctx, number);
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
        
        PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, path+fileName, new ByteArrayInputStream(content));
        ossClient.putObject(putObjectRequest);
        ossClient.shutdown();
    }
    /**
     * 获取oss参数
     * @param ctx
     * @throws EASBizException
     * @throws BOSException
     */
    public static void dealwithParam(Context ctx,String number) throws EASBizException, BOSException {
        String param = ParamUtil.getStringParamByNumber(ctx, number);//"OSSPARAM"
        String[] params = param.split(";");
        endpoint = params[0];
        accessKeyId = params[1];
        accessKeySecret = params[2];
        bucketName = params[3];
    }
    /**
     * 下载OSS文件到本地文件
     * @param fileName
     * @param filePath
     * @throws BOSException
     * @throws EASBizException 
     */
    public static void downloadOSS(Context ctx,String number,String fileName,String filePath) throws BOSException, EASBizException {
        //获取oss参数
        dealwithParam(ctx,number);
        
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        // 下载OSS文件到本地文件。如果指定的本地文件存在会覆盖，不存在则新建。
        ossClient.getObject(new GetObjectRequest(bucketName, fileName), new File(filePath));

        ossClient.shutdown(); 
    }
    /**
     * 获取文件流
     * @param fileName
     * @return
     * @throws BOSException
     * @throws EASBizException 
     */
    public static byte[] downloadOSS(Context ctx,String number,String fileName) throws BOSException, EASBizException {
        //获取oss参数
        dealwithParam(ctx,number);
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        // 调用ossClient.getObject返回一个OSSObject实例，该实例包含文件内容及文件元信息。
        OSSObject ossObject = ossClient.getObject(bucketName, fileName);
        // 调用ossObject.getObjectContent获取文件输入流，可读取此输入流获取其内容。
        InputStream input = ossObject.getObjectContent();
        byte[] content = null;
        if (input != null) {
            AttachmentDownloadServer downServer = new AttachmentDownloadServer();
            content = downServer.getContent(input);
            try{
                input.close();
            } catch (IOException e) {
                ExceptionUtil.newEasbizException(e);
            }
        }
        // 关闭OSSClient。
        ossClient.shutdown(); 
        return content;
    }
    /**
     * 删除附件
     * @param ctx
     * @param filePath
     * @return
     * @throws EASBizException
     * @throws BOSException
     */
    public static boolean deleteFile(Context ctx,String number,String filePath) throws EASBizException, BOSException {
        //获取oss参数
        dealwithParam(ctx,number);
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
        boolean exist = ossClient.doesObjectExist(bucketName, filePath);
        if (!exist) {
            ExceptionUtil.newEasbizException("文件不存在,filePath="+filePath);
            return false;
        }
        ossClient.deleteObject(bucketName, filePath);
        ossClient.shutdown();
        return true;
    }
     /** 
     * Description: 判断OSS服务文件上传时文件的contentType @Version1.0 
     *  
     * @param FilenameExtension 
     *            文件后缀 
     * @return String 
     */  
    public static String contentType(String FilenameExtension) {  
        if (FilenameExtension.equals(".BMP") || FilenameExtension.equals(".bmp")) {  
            return "image/bmp";  
        }  
        if (FilenameExtension.equals(".GIF") || FilenameExtension.equals(".gif")) {  
            return "image/gif";  
        }  
        if (FilenameExtension.equals(".JPEG") || FilenameExtension.equals(".jpeg") || FilenameExtension.equals(".JPG")  
                || FilenameExtension.equals(".jpg") || FilenameExtension.equals(".PNG")  
                || FilenameExtension.equals(".png")) {  
            return "image/jpeg";  
        }  
        if (FilenameExtension.equals(".HTML") || FilenameExtension.equals(".html")) {  
            return "text/html";  
        }  
        if (FilenameExtension.equals(".TXT") || FilenameExtension.equals(".txt")) {  
            return "text/plain";  
        }  
        if (FilenameExtension.equals(".VSD") || FilenameExtension.equals(".vsd")) {  
            return "application/vnd.visio";  
        }  
        if (FilenameExtension.equals(".PPTX") || FilenameExtension.equals(".pptx") || FilenameExtension.equals(".PPT")  
                || FilenameExtension.equals(".ppt")) {  
            return "application/vnd.ms-powerpoint";  
        }  
        if (FilenameExtension.equals(".DOCX") || FilenameExtension.equals(".docx") || FilenameExtension.equals(".DOC")  
                || FilenameExtension.equals(".doc")) {  
            return "application/msword";  
        }  
        if (FilenameExtension.equals(".XML") || FilenameExtension.equals(".xml")) {  
            return "text/xml";  
        }  
        if (FilenameExtension.equals(".apk") || FilenameExtension.equals(".APK")) {  
            return "application/octet-stream";  
        }  
        return "text/html";  
    }  
}

所使用相关的jar包在个人文件！

package com.kingdee.eas.base.attachment.common;
import java.io.ByteArrayInputStream;import java.io.File;import java.io.IOException;import java.io.InputStream;

import com.aliyun.oss.OSS;import com.aliyun.oss.OSSClientBuilder;import com.aliyun.oss.model.GetObjectRequest;import com.aliyun.oss.model.OSSObject;import com.aliyun.oss.model.PutObjectRequest;import com.kingdee.bos.BOSException;import com.kingdee.bos.Context;import com.kingdee.eas.base.attachment.ftp.AttachmentDownloadServer;import com.kingdee.eas.common.EASBizException;import com.kingdee.eas.srt.common.util.ExceptionUtil;import com.kingdee.eas.srt.common.util.ParamUtil;
public class OSSClientUtil {private static String endpoint;// = "http://oss-cn-shanghai.aliyuncs.com";// 使用刚刚创建的accessKeyId和accessKeySecretprivate static String accessKeyId;// = "LTAI4GAX7J7m2qFcRnMW82xY";private static String accessKeySecret;// = "ZUktXF46r9ZIicYGcGdnmxsOSqVsCD";private static String bucketName;// = "oss-shanghai-test";/** * 上传附件到oss * @param ctx 上下文 * @param path 上传路径 * @param fileName 文件名 * @param content 文件字节流 * @throws EASBizException * @throws BOSException */public static void uploadOSS(Context ctx,String number,String path,String fileName,byte[] content) throws EASBizException, BOSException {//获取oss参数dealwithParam(ctx, number);        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);                PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, path+fileName, new ByteArrayInputStream(content));        ossClient.putObject(putObjectRequest);        ossClient.shutdown();}/** * 获取oss参数 * @param ctx * @throws EASBizException * @throws BOSException */public static void dealwithParam(Context ctx,String number) throws EASBizException, BOSException {String param = ParamUtil.getStringParamByNumber(ctx, number);//"OSSPARAM"String[] params = param.split(";");endpoint = params[0];accessKeyId = params[1];accessKeySecret = params[2];bucketName = params[3];}/** * 下载OSS文件到本地文件 * @param fileName * @param filePath * @throws BOSException * @throws EASBizException  */public static void downloadOSS(Context ctx,String number,String fileName,String filePath) throws BOSException, EASBizException {//获取oss参数dealwithParam(ctx,number);        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
// 下载OSS文件到本地文件。如果指定的本地文件存在会覆盖，不存在则新建。ossClient.getObject(new GetObjectRequest(bucketName, fileName), new File(filePath));
    ossClient.shutdown(); }/** * 获取文件流 * @param fileName * @return * @throws BOSException * @throws EASBizException  */public static byte[] downloadOSS(Context ctx,String number,String fileName) throws BOSException, EASBizException {//获取oss参数dealwithParam(ctx,number);        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
    // 调用ossClient.getObject返回一个OSSObject实例，该实例包含文件内容及文件元信息。    OSSObject ossObject = ossClient.getObject(bucketName, fileName);    // 调用ossObject.getObjectContent获取文件输入流，可读取此输入流获取其内容。    InputStream input = ossObject.getObjectContent();    byte[] content = null;    if (input != null) {   AttachmentDownloadServer downServer = new AttachmentDownloadServer();content = downServer.getContent(input);        try{input.close();} catch (IOException e) {ExceptionUtil.newEasbizException(e);}}    // 关闭OSSClient。    ossClient.shutdown();     return content;}/** * 删除附件 * @param ctx * @param filePath * @return * @throws EASBizException * @throws BOSException */public static boolean deleteFile(Context ctx,String number,String filePath) throws EASBizException, BOSException {//获取oss参数dealwithParam(ctx,number);        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);        boolean exist = ossClient.doesObjectExist(bucketName, filePath);        if (!exist) {       ExceptionUtil.newEasbizException("文件不存在,filePath="+filePath);            return false;        }        ossClient.deleteObject(bucketName, filePath);        ossClient.shutdown();        return true;    } /**      * Description: 判断OSS服务文件上传时文件的contentType @Version1.0      *       * @param FilenameExtension      *            文件后缀      * @return String      */      public static String contentType(String FilenameExtension) {          if (FilenameExtension.equals(".BMP") || FilenameExtension.equals(".bmp")) {              return "image/bmp";          }          if (FilenameExtension.equals(".GIF") || FilenameExtension.equals(".gif")) {              return "image/gif";          }          if (FilenameExtension.equals(".JPEG") || FilenameExtension.equals(".jpeg") || FilenameExtension.equals(".JPG")                  || FilenameExtension.equals(".jpg") || FilenameExtension.equals(".PNG")                  || FilenameExtension.equals(".png")) {              return "image/jpeg";          }          if (FilenameExtension.equals(".HTML") || FilenameExtension.equals(".html")) {              return "text/html";          }          if (FilenameExtension.equals(".TXT") || FilenameExtension.equals(".txt")) {              return "text/plain";          }          if (FilenameExtension.equals(".VSD") || FilenameExtension.equals(".vsd")) {              return "application/vnd.visio";          }          if (FilenameExtension.equals(".PPTX") || FilenameExtension.equals(".pptx") || FilenameExtension.equals(".PPT")                  || FilenameExtension.equals(".ppt")) {              return "application/vnd.ms-powerpoint";          }          if (FilenameExtension.equals(".DOCX") || FilenameExtension.equals(".docx") || FilenameExtension.equals(".DOC")                  || FilenameExtension.equals(".doc")) {              return "application/msword";          }          if (FilenameExtension.equals(".XML") || FilenameExtension.equals(".xml")) {              return "text/xml";          }          if (FilenameExtension.equals(".apk") || FilenameExtension.equals(".APK")) {              return "application/octet-stream";          }          return "text/html";      }  }