java oss操作

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util ：

package com.jeeplus.modules.tools.utils;

import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.File;
import java.io.InputStream;
import java.net.URL;
import java.util.Date;

import com.aliyun.oss.ClientConfiguration;
import com.aliyun.oss.HttpMethod;
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.model.GeneratePresignedUrlRequest;
import com.aliyun.oss.model.GetObjectRequest;
import com.aliyun.oss.model.OSSObject;
import com.aliyun.oss.model.OSSObjectSummary;
import com.aliyun.oss.model.ObjectListing;
import com.aliyun.oss.model.ObjectMetadata;
import com.aliyun.oss.model.PutObjectResult;

/**
* OSS方法测试类
* oss操作请先开启
* @author ZD
*
*/
public class FileUploadUtils {
   // 创建OSS客户端

   private static OSSClient client;

   // 设置连接

   private static String bucket_name = "test";

   private static String endpoint = "oss-cn-shanghai.aliyuncs.com";

   private static String accessKeyId = "testaccessKeyId";

   private static String accessKeySecret = "testaccessKeySecret";

   /**
   *
   * 配置Conf连接属性
   *
   * @return conf
   */
   public static ClientConfiguration conf() {

       // 创建ClientConfiguration实例

       ClientConfiguration conf = new ClientConfiguration();

       // 设置OSSClient使用的最大连接数，默认1024

       conf.setMaxConnections(200);

       // 设置请求超时时间，默认50秒

       conf.setSocketTimeout(10000);

       // 设置失败请求重试次数，默认3次

       conf.setMaxErrorRetry(3);

       return conf;

   }

   /**
   *
   * 开启OSS
   *
   * @return boolean
   */

   public static boolean open() {

       if (client == null) {

           client = new OSSClient(endpoint, accessKeyId, accessKeySecret, conf());

       }

       return true;

   }

   /**
   *
   * 关闭OSS
   *
   * @return boolean
   */

   public static boolean close() {

       if (client != null) {

           client.shutdown();

       }

       return true;

   }

   /**
   *
   * 列出当前Bucket下的所有文件
   */

   public static void listObjects() {

       ObjectListing objectListing = client.listObjects(bucket_name);

       for (OSSObjectSummary objectSummary : objectListing.getObjectSummaries()) {

           System.out.println(" - " + objectSummary.getKey() + " " + "(size = " + objectSummary.getSize() + ")");

       }

   }

   /**
   *
   * 生成URL
   */

   public static void makeUrl(String key) {

       try {

           GeneratePresignedUrlRequest request = new GeneratePresignedUrlRequest(bucket_name, key,

                   HttpMethod.GET);

           // 设置URL过期时间为1小时

           Date expiration = new Date(new Date().getTime() + 3600 * 1000);
           request.setExpiration(expiration);

           // 生成URL签名(HTTP GET请求)

           URL signedUrl = client.generatePresignedUrl(request);

           System.out.println("signed url for getObject: " + signedUrl);

       } catch (Exception e) {

           // TODO Auto-generated catch block

           e.printStackTrace();

       }

   }

   /**
   *
   * 上传文件
   */

   public static void upload(String filePath, String key) {

       try {

           // 创建上传Object的Metadata

           ObjectMetadata meta = new ObjectMetadata();

           // meta.setContentType("image/jpg");
           meta.setContentType("text/html");
           // 上传本地文件
           System.out.println("=============================================================" + filePath);
           PutObjectResult rs = client.putObject(bucket_name, key, new File(filePath), meta);

           System.out.println("上传成功");

       } catch (Exception e) {

           // TODO Auto-generated catch block

           e.printStackTrace();

           System.out.println("上传失败");

       }

   }

   public static void upload2(File file, String key) {

       try {

           // 创建上传Object的Metadata

           ObjectMetadata meta = new ObjectMetadata();

           meta.setContentType("image/jpg"); //图片类型，网页类型为 text/html

           // 上传本地文件

           PutObjectResult rs = client.putObject(bucket_name, key, file, meta);

           System.out.println("上传成功");
       } catch (Exception e) {

           // TODO Auto-generated catch block

           e.printStackTrace();

           System.out.println("上传失败");

       }

   }

   /**
   * 上传文件流
   */
   public static void OssUpload(String content, String fileName, String key) {
       try {
           client.putObject(bucket_name, key, new ByteArrayInputStream(content.getBytes()));
       } catch (Exception e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }
   }
   /**
   * 下载文件到本地
   */
   public static void download(String srcPath, String destPath) {
       try {
           client.getObject(new GetObjectRequest(bucket_name, srcPath), new File(destPath));
           System.out.println("下载成功");
       } catch (Exception e) {
           e.printStackTrace();
           System.out.println("下载失败");
       }
   }

   /**
   * 流式下载
   */
   public InputStream ossDownload() {

       OSSObject ossObject = client.getObject(bucket_name, "UAT/upload_test_001.xml");
       InputStream is = new DataInputStream(ossObject.getObjectContent());
       return is;
   }

   /**
   *
   * Oss删除文件
   *
   * @param name
   *            路径+文件名
   */

   public static boolean deleteFile(String name) {
       try {
           // open();
           client.deleteObject(bucket_name, name);
           System.out.println("========================================删除成功");
           return true;
       } catch (Exception e) {
           e.printStackTrace();
           return false;
       }
   }
}

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