用JAVA发送一个XML格式的HTTP请求

 import java.io.BufferedInputStream;
 import java.io.BufferedReader;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.net.URI;
 import java.net.URL;
 import java.net.URLConnection;  

 import org.apache.commons.httpclient.HttpClient;
 import org.apache.commons.httpclient.HttpStatus;
 import org.apache.commons.httpclient.methods.PostMethod;  

 /**
  * 测试调用一些meeting第三方接口
  * @author Jack.Song
  */
 public class TestMeetingInterface {  

     /**
      * @param args
      */
     public static void main(String[] args) {  

         String url = "http://192.168.0.68/integration/xml";
         TestMeetingInterface tmi = new TestMeetingInterface();
         System.out.println(tmi.post(url,"listSummaryMeeting.xml"));  

         /*//判断当前系统是否支持Java AWT Desktop扩展
         if(java.awt.Desktop.isDesktopSupported()){
             try {
                 URI path = tmi.getClass().getResource("/listSummaryMeeting.xml").toURI();
                 System.out.println(path);
                 //创建一个URI实例
 //              java.net.URI uri = java.net.URI.create(path);
                 //获取当前系统桌面扩展
                 java.awt.Desktop dp = java.awt.Desktop.getDesktop();
                 //判断系统桌面是否支持要执行的功能
                 if(dp.isSupported(java.awt.Desktop.Action.BROWSE)){
                     //获取系统默认浏览器打开链接
                     dp.browse(path);
                 }
             } catch (Exception e) {
                 e.printStackTrace();
             }
         }*/
     }  

     /**
      * 发送xml数据请求到server端
      * @param url xml请求数据地址
      * @param xmlString 发送的xml数据流
      * @return null发送失败，否则返回响应内容
      */
     public String post(String url,String xmlFileName){
         //关闭
         System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog");
         System.setProperty("org.apache.commons.logging.simplelog.showdatetime", "true");
         System.setProperty("org.apache.commons.logging.simplelog.log.org.apache.commons.httpclient", "stdout");    

         //创建httpclient工具对象
         HttpClient client = new HttpClient();
         //创建post请求方法
         PostMethod myPost = new PostMethod(url);
         //设置请求超时时间
         client.setConnectionTimeout(300*1000);
         String responseString = null;
         try{
             //设置请求头部类型
             myPost.setRequestHeader("Content-Type","text/xml");
             myPost.setRequestHeader("charset","utf-8");  

             //设置请求体，即xml文本内容，注：这里写了两种方式，一种是直接获取xml内容字符串，一种是读取xml文件以流的形式
 //          myPost.setRequestBody(xmlString);   

             InputStream body=this.getClass().getResourceAsStream("/"+xmlFileName);
             myPost.setRequestBody(body);
 //            myPost.setRequestEntity(new StringRequestEntity(xmlString,"text/xml","utf-8"));
             int statusCode = client.executeMethod(myPost);
             if(statusCode == HttpStatus.SC_OK){
                 BufferedInputStream bis = new BufferedInputStream(myPost.getResponseBodyAsStream());
                 byte[] bytes = new byte[1024];
                 ByteArrayOutputStream bos = new ByteArrayOutputStream();
                 int count = 0;
                 while((count = bis.read(bytes))!= -1){
                     bos.write(bytes, 0, count);
                 }
                 byte[] strByte = bos.toByteArray();
                 responseString = new String(strByte,0,strByte.length,"utf-8");
                 bos.close();
                 bis.close();
             }
         }catch (Exception e) {
             e.printStackTrace();
         }
         myPost.releaseConnection();
         return responseString;
     }    

     /**
      * 用传统的URI类进行请求
      * @param urlStr
      */
     public void testPost(String urlStr) {
         try {
             URL url = new URL(urlStr);
             URLConnection con = url.openConnection();
             con.setDoOutput(true);
             con.setRequestProperty("Pragma:", "no-cache");
             con.setRequestProperty("Cache-Control", "no-cache");
             con.setRequestProperty("Content-Type", "text/xml");  

             OutputStreamWriter out = new OutputStreamWriter(con.getOutputStream());
             String xmlInfo = getXmlInfo();
             System.out.println("urlStr=" + urlStr);
 //            System.out.println("xmlInfo=" + xmlInfo);
             out.write(new String(xmlInfo.getBytes("UTF-8")));
             out.flush();
             out.close();
             BufferedReader br = new BufferedReader(new InputStreamReader(con
                     .getInputStream()));
             String line = "";
             for (line = br.readLine(); line != null; line = br.readLine()) {
                 System.out.println(line);
             }
         } catch (Exception e) {
             e.printStackTrace();
         }
     }  

     private String getXmlInfo() {
         StringBuilder sb = new StringBuilder();
         sb.append("<?xml version='1.0' encoding='UTF-8'?>");
         sb.append("<Message>");
         sb.append(" <header>");
         sb.append("     <action>readMeetingStatus</action>");
         sb.append("     <service>meeting</service>");
         sb.append("     <type>xml</type>");
         sb.append("     <userName>admin</userName>");
         sb.append("     <password>admin</password>");
         sb.append("     <siteName>box</siteName>");
         sb.append(" </header>");
         sb.append(" <body>");
         sb.append("     <confKey>43283344</confKey>");
         sb.append(" </body>");
         sb.append("</Message>");  

         return sb.toString();
     }
 }