使用多部分/表单编码的POST-request apache http客户端

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 * to you under the Apache License, Version 2.0 (the

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package org.apache.http.examples.entity.mime;
/** 
来 自 
NowJava.com - 时代Java
**/


import java.io.File;


import org.apache.http.HttpEntity;

import org.apache.http.client.methods.CloseableHttpResponse;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.entity.ContentType;

import org.apache.http.entity.mime.MultipartEntityBuilder;

import org.apache.http.entity.mime.content.FileBody;

import org.apache.http.entity.mime.content.StringBody;

import org.apache.http.impl.client.CloseableHttpClient;

import org.apache.http.impl.client.HttpClients;

import org.apache.http.util.EntityUtils;


/**

 * Example how to use multipart/form encoded POST request.

 */

public class ClientMultipartFormPost {/* 来 自 nowjava.com*/


    public static void main(String[] args) throws Exception {

        if (args.length != 1) {

            System.out.println("File path not given");

            System.exit(1);

        }

        CloseableHttpClient httpclient = HttpClients.createDefault();

        try {

            HttpPost httppost = new HttpPost("http://localhost:8080"

                    + "/servlets-examples/servlet/RequestInfoExample");


            FileBody bin = new FileBody(new File(args[0]));

            StringBody comment = new StringBody(

                    "A binary file of some kind", ContentType.TEXT_PLAIN);


            HttpEntity reqEntity = MultipartEntityBuilder.create()

                    .addPart("bin", bin).addPart("comment", comment)

                    .build();


            httppost.setEntity(reqEntity);


            System.out.println("executing request "

                    + httppost.getRequestLine());

            CloseableHttpResponse response = httpclient.execute(httppost);

            try {

                System.out

                        .p