FastDFSClient工具类 文件上传下载

package cn.itcast.fastdfs.cliennt;

import org.csource.common.NameValuePair;
import org.csource.fastdfs.ClientGlobal;
import org.csource.fastdfs.StorageClient1;
import org.csource.fastdfs.StorageServer;
import org.csource.fastdfs.TrackerClient;
import org.csource.fastdfs.TrackerServer;

public class FastDFSClient {

	private TrackerClient trackerClient = null;
	private TrackerServer trackerServer = null;
	private StorageServer storageServer = null;
	private StorageClient1 storageClient = null;

	public FastDFSClient(String conf) throws Exception {
		if (conf.contains("classpath:")) {
			conf = conf.replace("classpath:", this.getClass().getResource("/").getPath());
		}
		ClientGlobal.init(conf);
		trackerClient = new TrackerClient();
		trackerServer = trackerClient.getConnection();
		storageServer = null;
		storageClient = new StorageClient1(trackerServer, storageServer);
	}

	/**
	 * 上传文件方法
	 * <p>Title: uploadFile</p>
	 * <p>Description: </p>
	 * @param fileName 文件全路径
	 * @param extName 文件扩展名，不包含（.）
	 * @param metas 文件扩展信息
	 * @return
	 * @throws Exception
	 */
	public String uploadFile(String fileName, String extName, NameValuePair[] metas) throws Exception {
		String result = storageClient.upload_file1(fileName, extName, metas);
		return result;
	}

	public String uploadFile(String fileName) throws Exception {
		return uploadFile(fileName, null, null);
	}

	public String uploadFile(String fileName, String extName) throws Exception {
		return uploadFile(fileName, extName, null);
	}

	/**
	 * 上传文件方法
	 * <p>Title: uploadFile</p>
	 * <p>Description: </p>
	 * @param fileContent 文件的内容，字节数组
	 * @param extName 文件扩展名
	 * @param metas 文件扩展信息
	 * @return
	 * @throws Exception
	 */
	public String uploadFile(byte[] fileContent, String extName, NameValuePair[] metas) throws Exception {

		String result = storageClient.upload_file1(fileContent, extName, metas);
		return result;
	}

	public String uploadFile(byte[] fileContent) throws Exception {
		return uploadFile(fileContent, null, null);
	}

	public String uploadFile(byte[] fileContent, String extName) throws Exception {
		return uploadFile(fileContent, extName, null);
	}
}

　　

public class FastDFSTest {

	@Test
	public void testFileUpload() throws Exception {
		// 1、加载配置文件，配置文件中的内容就是tracker服务的地址。
		ClientGlobal.init("D:/workspaces-itcast/term197/taotao-manager-web/src/main/resources/resource/client.conf");
		// 2、创建一个TrackerClient对象。直接new一个。
		TrackerClient trackerClient = new TrackerClient();
		// 3、使用TrackerClient对象创建连接，获得一个TrackerServer对象。
		TrackerServer trackerServer = trackerClient.getConnection();
		// 4、创建一个StorageServer的引用，值为null
		StorageServer storageServer = null;
		// 5、创建一个StorageClient对象，需要两个参数TrackerServer对象、StorageServer的引用
		StorageClient storageClient = new StorageClient(trackerServer, storageServer);
		// 6、使用StorageClient对象上传图片。
		//扩展名不带“.”
		String[] strings = storageClient.upload_file("D:/Documents/Pictures/images/200811281555127886.jpg", "jpg", null);
		// 7、返回数组。包含组名和图片的路径。
		for (String string : strings) {
			System.out.println(string);
		}
	}
}