postdata.java

中移动lbs系统服务器端源码

package cn.netjava.lbs;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.*;

import cn.netjava.lbs.le.WebSendRequest;

public class PostData {

	//http://www.netjava.cn/index.php?option=com_content&task=category&sectionid=1&id=2&Itemid=98
//	 for test
	public static void main(String[] args) throws Exception {
		PostData util = new PostData();
		String url = "http://www.netjava.cn/index.php";
		String result = util.post(url, "");;
		//System.out.println("result:" + result);
	}
	
	/**
	 *向指定的URL post数据
	 * @param dest_url   String:target URL
	 * @param commString String:XML String
	 * @return String:response
	 */
	public String post(String dest_url, String commString)
			throws Exception {
		String rec_string = "";
		URL url = null;
		HttpURLConnection urlconn = null;
		url = new URL(dest_url);
		urlconn = (HttpURLConnection) url.openConnection();
		Map map=urlconn.getHeaderFields();
	     Set  set=map.keySet();
	          System.out.println(map.toString());
		
		
		
		urlconn.setRequestProperty("content-type", "text/xml");
		urlconn.setRequestMethod("POST");
		urlconn.setDoInput(true);
		urlconn.setDoOutput(true);
		//option=com_content&task=category&sectionid=1&id=2&Itemid=98
		urlconn.addRequestProperty("option", "com_content");
		urlconn.addRequestProperty("task", "category");
		urlconn.addRequestProperty("sectionid", "1");
		urlconn.addRequestProperty("id", "2");
		urlconn.addRequestProperty("Itemid", "98");
		OutputStream out = urlconn.getOutputStream();
		out.flush();
		out.close();
		BufferedReader rd = new BufferedReader(new InputStreamReader(urlconn
				.getInputStream()));
		StringBuffer sb = new StringBuffer();
		int ch;
		while ((ch = rd.read()) > -1) {
			sb.append((char) ch);
		}
		rec_string = sb.toString();
		rec_string=new String(rec_string.getBytes("GBK"),"UTF-8");
		rd.close();
		urlconn.disconnect();
	    return rec_string;
	}
}