URL类获取XML

ylsuccess

package com.test;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.File;import java.io.FileWriter;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.net.HttpURLConnection;import java.net.URL;import org.dom4j.Document;import org.dom4j.DocumentException;import org.dom4j.DocumentHelper;import org.dom4j.io.OutputFormat;import org.dom4j.io.XMLWriter;public class GetForeignXML {public static void main(String[] args) { proccessOper("<getprefixcountresp>   <msgtype>GetPrefixCountResp</msgtype>   <count>5392</count>   <hret>0</hret></getprefixcountresp>");}public static String proccessOper(String xmlStr) {/**********************发送请求************************/Document doc = null;try {doc = DocumentHelper.parseText(xmlStr);} catch (DocumentException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}HttpURLConnection conn = null;StringBuffer sb = new StringBuffer();try {URL url = new URL("http://localhost:8082/RequestXML/servlet/ForeignServlet");conn = (HttpURLConnection) url.openConnection();conn.setDoOutput(true);conn.setUseCaches(false);conn.setDefaultUseCaches(false);conn.setRequestMethod("GET");conn.setRequestProperty("Accept", "text/html");conn.setRequestProperty("Content-type", "text/html");conn.setRequestProperty("connection", "close");OutputStream out = conn.getOutputStream();BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(out));OutputFormat format = OutputFormat.createPrettyPrint();format.setEncoding("GB2312"); //设置XML文档的编码类型format.setSuppressDeclaration(false);//设置是否打印文档头，即：<?xml version="1.0" encoding="GB2312"?>format.setIndent(true); //设置是否缩进format.setIndent("   "); //以空格方式实现缩进format.setNewlines(true); //设置是否换行format.setTrimText(true);//删除结点值的首尾空格XMLWriter writer = new XMLWriter(bw, format);writer.write(doc);writer.flush();writer.close();bw.close();out.flush();out.close();/************************接收返回数据***************************/InputStream in = conn.getInputStream();BufferedReader br = new BufferedReader(new InputStreamReader(in));char[] mychar = new char[100];int len = 0;while ((len = br.read(mychar)) != -1) {sb.append(new String(mychar));mychar = new char[100];}br.close();in.close();/****将返回的数据写入XML文件****/FileWriter fw = new FileWriter(new File("c:\\MyXML.xml"));fw.write(sb.toString().trim());fw.flush();fw.close();System.out.println("$$$$$返回结果长度:" + sb.toString().trim().length());} catch (Exception e) {e.printStackTrace();}return sb.toString().trim();}}