使用fastDFS上传和下载图片文件

package com.xuecheng.test.fastdfs;

import org.csource.common.MyException;
import org.csource.fastdfs.*;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * @author newcityman
 * @date 2020/2/16 - 15:01
 */
@SpringBootTest
@RunWith(SpringRunner.class)
public class TestFastDFS {
 //上传文件
 @Test
 public void testUpload(){
 try {
 //加载fastdfs-client.properties配置文件
 ClientGlobal.initByProperties("config/fastdfs_client.properties");
 //定义TrackerClient,用于请求Tracker
 TrackerClient trackerClient = new TrackerClient();
 //连接Tracker
 TrackerServer trackerServer = trackerClient.getConnection();
 //获取Storage服务器
 StorageServer storageServer= trackerClient.getStoreStorage(trackerServer);
 //创建一个StorageClient
 StorageClient1 storageClient1 = new StorageClient1(trackerServer,storageServer);
 //向storage服务器上传文件
 String filePath="h:/wx_cz.jpg";
 String fileId = storageClient1.upload_file1(filePath, "jpg", null);
 System.out.println(fileId);
 //group1/M00/00/00/wKgAaV5JY7CAGDfKAAAjb9XlGuI005.jpg
 } catch (IOException e) {
 e.printStackTrace();
 } catch (MyException e) {
 e.printStackTrace();
 }
 }

 //下载文件
 @Test
 public void testDownload(){
 try {
 //加载fastdfs-client.properties配置文件
 ClientGlobal.initByProperties("config/fastdfs_client.properties");
 //定义TrackerClient,用于请求Tracker
 TrackerClient trackerClient = new TrackerClient();
 //连接Tracker
 TrackerServer trackerServer = trackerClient.getConnection();
 //获取Storage服务器
 StorageServer storageServer= trackerClient.getStoreStorage(trackerServer);
 //创建一个StorageClient
 StorageClient1 storageClient1 = new StorageClient1(trackerServer,storageServer);
 //下载文件
 //文件id
 String fileId="group1/M00/00/00/wKgAaV5JY7CAGDfKAAAjb9XlGuI005.jpg";
 byte[] bytes = storageClient1.download_file1(fileId);
 //使用输出流保存文件
 FileOutputStream fileOutputStream = new FileOutputStream(new File("i:/lg.jpg"));
 fileOutputStream.write(bytes);
 } catch (IOException e) {
 e.printStackTrace();
 } catch (MyException e) {
 e.printStackTrace();
 }

 }

}