FastDFS图片服务器

首先要转一个FastDFS,这个很难装。一般由运维人员安装。

git项目fastdfs-client-java由happy fish开发的，down下来后import到项目中maven install到本地仓库即可

package com.common.utils;

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;

/*
 * 工具类
 */
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);
    }
}

/**
 * 测试
 */
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:\\Programmer_QY\\eclipse-jee-mars-2-win32-x86_64\\workspace\\e3-manager-web\\src\\main\\resources\\conf\\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("G:\\秋雨\\相机\\小猪\\QQ图片20160501233001.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);
        }
    }
    @Test
    public void textFastDfsClient() throws Exception{
        FastDFSClient fastDFSClient = new FastDFSClient("D:\\Programmer_QY\\eclipse-jee-mars-2-win32-x86_64\\workspace\\e3-manager-web\\src\\main\\resources\\conf\\client.conf");
        String result = fastDFSClient.uploadFile("G:\\秋雨\\相机\\头像\\3226-150PR30508-52.jpg");
        System.out.println(result);
    }
}

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