package com.fatkun;
/**
 * 在GAE上抓取网址
 * @author Fatkun
 * @site http://fatkun.com
 */
 
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
 
import javax.servlet.http.*;
 
@SuppressWarnings("serial")
public class URL2Servlet extends HttpServlet {
	public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
		resp.setContentType("text/plain; charset=utf-8");//显示编码
 
		URL url = new URL("http://fatkun.com");
		// 读取源码
		//读取中文时，使用Reader类是每次读出两个字节的，不会出现中文乱码
		InputStreamReader in = new InputStreamReader(url.openStream(), "UTF-8");
		char[] buf = new char[2048];//缓存
		StringBuffer sb = new StringBuffer();
		int len = 0;
		while ((len = in.read(buf)) != -1) {//当没到文档尽头继续读取
			sb.append(buf, 0, len);
		}
 
		// 输出在网页上
		resp.getWriter().println(sb.toString());
	}
}

// 此处的地址请换成你的，在本地测试时可以填入http://localhost:8888/request.jsp
URL url = new URL("http://2.latest.fatkuns.appspot.com/request.jsp");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoOutput(true);// 使用 URL 连接进行输出
connection.setRequestMethod("POST");
// 取得输出流
OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
// 用UTF-8编码，保证中文传递正常
String message = URLEncoder.encode("你好，I'm Fatkun!", "UTF-8");
// 写入发送的内容
writer.write("msg=" + message);
writer.close();