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在工作中有用到HTTP请求外部地址传递数据. 用Url这个类明显效率低下,所以改用连接池概念的URL请求,这将大大提高了请求效率. 主发送类 [java]  view plain copy package com.cdg.test;      import java.util.HashMap;   import java.util.Map;      import or

客户端发送请求、以及处理服务端响应代码为：//发送xml请求

URL url = new URL(“http://127.0.0.1:8080/Test/sendXmlAndReturnXml.do”);

String xml = “cccccc客户端请求的xml数据cccccccc”;

URLConnection conn = null;

conn = url.openConnection();

conn.setUseCaches(false);

conn.setDoInput(true);

conn.setDoOutput(true);

conn.setRequestProperty(“Content-Length”, Integer.toString(xml.length()));

conn.setRequestProperty(“Content-Type”, “text/xml; charset=utf-8”);

OutputStream ops = conn.getOutputStream();

OutputStreamWriter osw = new OutputStreamWriter(ops, “GBK”);

osw.write(xml);

osw.flush();

osw.close(