4FastDFS

package cn.e3mall.common.util;

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);
    }
}

package cn.e3mall.fast;

import java.io.FileNotFoundException;
import java.io.IOException;

import org.csource.common.MyException;
import org.csource.fastdfs.ClientGlobal;
import org.csource.fastdfs.StorageClient;
import org.csource.fastdfs.StorageServer;
import org.csource.fastdfs.TrackerClient;
import org.csource.fastdfs.TrackerServer;
import org.junit.Test;

import cn.e3mall.common.util.FastDFSClient;

public class FastDfsTest {
    @Test
    public void testUpload() throws Exception{
        //创建配置文件 内容为tracker服务器的地址
        ClientGlobal.init("D:/workspace/e3-manager-web/src/main/resources/conf/client.conf");
        //使用全局对象加载配置文件
        TrackerClient trackerClient =new TrackerClient();
        //创建TrackerClient对象
        TrackerServer trackerServer=trackerClient.getConnection();
        //通过TrackerClient获得TrackerServer对象
        StorageServer storageServer =null;
        //创建StorageServer的引用 可以为null
        StorageClient storageClient =new StorageClient(trackerServer,storageServer);
        //创建StorageClient上传文件
        String[] strings = storageClient.upload_file("E:/monkey.jpg", "jpg", null);
        for (String string : strings) {
            System.out.println(string);
        }

    }

    @Test
    public void testFastDfsClient() throws Exception{
        //配置文件路径
        FastDFSClient fastDFSClient=new FastDFSClient("D:/workspace/e3-manager-web/src/main/resources/conf/client.conf");
        String string = fastDFSClient.uploadFile("G:/Picture/2015103157654285.jpg");
        System.out.println(string);
    }
}

package cn.e3mall.controller;

import java.util.HashMap;
import java.util.Map;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import cn.e3mall.common.util.FastDFSClient;
import cn.e3mall.common.util.JsonUtils;

@Controller
public class PictureController {
    @Value("${IMAGE_SERVER_URL}")
    private String IMAGE_SERVER_URL;

    @RequestMapping("/pic/upload")
    @ResponseBody
    public String uploadFile(MultipartFile uploadFile){
        try {
            FastDFSClient fastDFSClient =new FastDFSClient("classpath:conf/client.conf");
            //取文件扩展名
            String originalFilename=uploadFile.getOriginalFilename();
            String extName=originalFilename.substring(originalFilename.lastIndexOf(".")+1);
            //得到图片地址和文件名
            String path = fastDFSClient.uploadFile(uploadFile.getBytes(), extName);
            String url=IMAGE_SERVER_URL+path;
            Map result=new HashMap<>();
            result.put("error", 0);
            result.put("url", url);
            return JsonUtils.objectToJson(result);
        } catch (Exception e) {
            e.printStackTrace();
            Map result=new HashMap<>();
            result.put("error", 1);
            result.put("message", "图片上传失败");
            return JsonUtils.objectToJson(result);
        }
    }
}