利用HttpClient以post形式上传文件

/** * created since 2012-4-6 */package com.yonge.http;import java.io.File;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.HttpStatus;import org.apache.commons.httpclient.methods.PostMethod;import org.apache.commons.httpclient.methods.multipart.FilePart;import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;import org.apache.commons.httpclient.methods.multipart.Part;/** * @author wb-gaoy * @version $Id: HttpClientTest.java,v 0.1 2012-4-6 下午1:38:53 wb-gaoy Exp $ */public class HttpClientUploadFileTest {    public void uploadFile(File file, String url) {        if (!file.exists()) {            return;        }        PostMethod postMethod = new PostMethod(url);        try {            //FilePart：用来上传文件的类        FilePart fp = new FilePart("filedata", file);            Part[] parts = { fp };            //对于MIME类型的请求，httpclient建议全用MulitPartRequestEntity进行包装            MultipartRequestEntity mre = new MultipartRequestEntity(parts, postMethod.getParams());            postMethod.setRequestEntity(mre);            HttpClient client = new HttpClient();            client.getHttpConnectionManager().getParams().setConnectionTimeout(50000);// 设置连接时间            int status = client.executeMethod(postMethod);            if (status == HttpStatus.SC_OK) {                System.out.println(postMethod.getResponseBodyAsString());            } else {                System.out.println("fail");            }        } catch (Exception e) {            e.printStackTrace();        } finally {            //释放连接            postMethod.releaseConnection();        }    }    /**     * @param args     */    public static void main(String[] args) {        HttpClientUploadFileTest test = new HttpClientUploadFileTest();        test.uploadFile(new File("e:/default.css"),            "http://ecmng.local.sit.alipay.net/receiveDevZipFile.json?summary=1010100");    }}

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