HttpClient client=new DefaultHttpClient();// 开启一个客户端 HTTP 请求 
HttpPost post = new HttpPost(url);//创建 HTTP POST 请求  
MultipartEntityBuilder builder = MultipartEntityBuilder.create();
//		builder.setCharset(Charset.forName("uft-8"));//设置请求的编码格式
builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);//设置浏览器兼容模式
int count=0;
for (File file:files) {
//			FileBody fileBody = new FileBody(file);//把文件转换成流对象FileBody
//			builder.addPart("file"+count, fileBody);
	builder.addBinaryBody("file"+count, file);
	count++;
}		
builder.addTextBody("method", params.get("method"));//设置请求參数
builder.addTextBody("fileTypes", params.get("fileTypes"));//设置请求參数
HttpEntity entity = builder.build();// 生成 HTTP POST 实体  	
post.setEntity(entity);//设置请求參数
HttpResponse response = client.execute(post);// 发起请求 并返回请求的响应
if (response.getStatusLine().getStatusCode()==200) {
	return true;
}
return false;		

package com.jph.ufh.activity;

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import com.jph.ufh.R;
import com.jph.ufh.service.UploadService;
import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.Toast;

/**
 * 通过httpClient批量上传文件
 * @author jph
 * Date：2014.10.09  
 */
public class MainActivity extends Activity {
	private ArrayList<File>files;
	private Map<String, String>params;
	Handler mHandler=new Handler(){
		@Override
		public void handleMessage(Message msg) {
			// TODO Auto-generated method stub
			switch (msg.what) {
			case UploadService.UPLOAD_SUCCESS:
				Toast.makeText(MainActivity.this, "上传成功", Toast.LENGTH_LONG).show();
				break;			
			}
			super.handleMessage(msg);
		}		
	};
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);		
		files=new ArrayList<File>();
		params=new HashMap<String, String>();
		
	}
	public void upload(View v) {
		files.clear();
		params.clear();
		File file=new File(Environment.getExternalStorageDirectory(),"kaola.jpg");
		File file2=new File(Environment.getExternalStorageDirectory(),"test.docx");
		File file3=new File(Environment.getExternalStorageDirectory(),"test.jpg");
		files.add(file);
		files.add(file2);
		files.add(file3);
		StringBuffer sbFileTypes=new StringBuffer();
		for (File tempFile:files) {
			String fileName=tempFile.getName();
			sbFileTypes.append(getFileType(fileName));			
		}
		params.put("fileTypes",sbFileTypes.toString());
		params.put("method", "upload");
		UploadService uploadService=new UploadService(mHandler);
		uploadService.uploadFileToServer(params, files);
	}
	/**
	 * 获取文件的类型
	 * @param fileName ：文件名称
	 * @return 文件类型
	 */
	private String getFileType(String fileName) {
		// TODO Auto-generated method stub
		return fileName.substring(fileName.lastIndexOf("."), fileName.length());
	}
}

package com.jph.ufh.service;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Map;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.DefaultHttpClient;

import android.os.Handler;
 
/**
 * 採用HttpClient上传文件,支持多文件上传
 * @author jph
 * Date:2014.10.09
 */
public class UploadService {
	private static String url="http://10.219.57.16:8080/ServerForUpload/ServletForUpload";
//	private static String url="http://10.110.6.58:8080/ServerForUpload/ServletForUpload";
	public static final int UPLOAD_SUCCESS=0x123;
	public static final int UPLOAD_FAIL=0x124;
	private Handler handler;
	public UploadService(Handler handler) {
		// TODO Auto-generated constructor stub
		this.handler=handler;
	}	
	/**
	 * @param params 请求參数。包含请求的的方法參数method如：“upload”，
	 * 请求上传的文件类型fileTypes如：“.jpg.png.docx”
	 * @param files 要上传的文件集合
	 */
	public void uploadFileToServer(final Map<String, String> params, final ArrayList<File>files) {
		// TODO Auto-generated method stub	
		new Thread(new Runnable() {			
			@Override
			public void run() {
				// TODO Auto-generated method stub
				try {
					 if (uploadFiles(url,params,files)) {
						handler.sendEmptyMessage(UPLOAD_SUCCESS);//通知主线程数据发送成功
					}else {
						//将数据发送给server失败
					}
				} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}				
			}
		}).start();
	}
	/**
	 * @param url servlet的地址
	 * @param params 要传递的參数
	 * @param files 要上传的文件
	 * @return true if upload success else false
	 * @throws ClientProtocolException
	 * @throws IOException
	 */
	private boolean uploadFiles(String url,Map<String, String>params,ArrayList<File>files) throws ClientProtocolException, IOException {
		HttpClient client=new DefaultHttpClient();// 开启一个客户端 HTTP 请求 
		HttpPost post = new HttpPost(url);//创建 HTTP POST 请求  
		MultipartEntityBuilder builder = MultipartEntityBuilder.create();
//		builder.setCharset(Charset.forName("uft-8"));//设置请求的编码格式
		builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);//设置浏览器兼容模式
		int count=0;
		for (File file:files) {
//			FileBody fileBody = new FileBody(file);//把文件转换成流对象FileBody
//			builder.addPart("file"+count, fileBody);
			builder.addBinaryBody("file"+count, file);
			count++;
		}		
		builder.addTextBody("method", params.get("method"));//设置请求參数
		builder.addTextBody("fileTypes", params.get("fileTypes"));//设置请求參数
		HttpEntity entity = builder.build();// 生成 HTTP POST 实体  	
		post.setEntity(entity);//设置请求參数
		HttpResponse response = client.execute(post);// 发起请求 并返回请求的响应
		if (response.getStatusLine().getStatusCode()==200) {
			return true;
		}
		return false;		
	}
}