日期:2014-05-17 浏览次数:20773 次
package com.test;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
public class TestPost {
	public static void testPost() throws IOException {
		/**
		 * 首先要和URL下的URLConnection对话。 URLConnection可以很容易的从URL得到。比如: // Using
		 *  java.net.URL and //java.net.URLConnection
		 */
		URL url = new URL("http://www.faircanton.com/message/check.asp");
		URLConnection connection = url.openConnection();
		/**
		 * 然后把连接设为输出模式。URLConnection通常作为输入来使用,比如下载一个Web页。
		 * 通过把URLConnection设为输出,你可以把数据向你个Web页传送。下面是如何做:
		 */
		connection.setDoOutput(true);
		/**
		 * 最后,为了得到OutputStream,简单起见,把它约束在Writer并且放入POST信息中,例如: ...
		 */
		OutputStreamWriter out = new OutputStreamWriter(connection
				.getOutputStream(), "8859_1");
		out.write("username=kevin&password=*********"); //post的关键所在!
		// remember to clean up
		out.flush();
		out.close();
		/**
		 * 这样就可以发送一个看起来象这样的POST: 
		 * POST /jobsearch/jobsearch.cgi HTTP 1.0 ACCEPT:
		 * text/plain Content-type: application/x-www-form-urlencoded
		 * Content-length: 99 username=bob password=someword
		 */
		// 一旦发送成功,用以下方法就可以得到服务器的回应:
		String sCurrentLine;
		String sTotalString;
		sCurrentLine = "";
		sTotalString = "";
		InputStream l_urlStream;
		l_urlStream = connection.getInputStream();
		// 传说中的三层包装阿!
		BufferedReader l_reader = new BufferedReader(new InputStreamReader(
				l_urlStream));
		while ((sCurrentLine = l_reader.readLine()) != null) {
			sTotalString += sCurrentLine + "\r\n";
		}
		System.out.println(sTotalString);
	}
	public static void main(String[] args) throws IOException {
		testPost();
	}
}<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>账户已经冻结</title>
<style type="text/css">
<!--
.temp {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 14px;
	font-weight: bold;
	color: #666666;
	margin: 10px;
	padding: 10px;
	border: 1px solid #999999;
}
.STYLE1 {color: #FF0000}
-->
</style>
</head>
<body>
<p> </p>
<p> </p>
<p> </p>
<table width="700" border="0" align="center" cellpadding="0" cellspacing="0" class="temp">
  <tr>
    <td width="135" height="192"><div align="center"><img src="images/err.jpg" width="54" height="58"></div></td>
    <td width="563"><p><span class="STYLE1">登录失败</span><br>
        <br>
    您的帐户活跃指数低于系统限制,您的帐户已经被暂时冻结。<br>
    请您联系网络主管或者人事主管重新激活您的帐户。</p>
    </td>
  </tr>
</table>
<p> </p>
</body>
</html>package com.test;
import org.htmlparser.Node;
import org.htmlparser.NodeFilter;
import org.htmlparser.Parser;
import org.htmlparser.filters.TagNameFilter;
import org.htmlparser.tags.TableTag;
import org.htmlparser.util.NodeList;
/**
* 标题:利用htmlparser提取网页纯文本的例子
*/
public class TestHTMLParser {
  public static void testHtml() {