简单的java post 数据

pk3589

package test;import java.io.BufferedInputStream;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.FileWriter;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.net.URL;import java.net.URLConnection;public class JavaPostTest {public String post() throws Exception{URL url = new URL("http://www.renren.com/PLogin.do");URLConnection conn = url.openConnection();conn.setDoOutput(true);OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());writer.write("email=pk3589@163.com&password=123");writer.flush();writer.close();InputStreamReader reder  = new InputStreamReader(conn.getInputStream(),"utf-8");BufferedReader breader = new BufferedReader(reder);BufferedWriter w = new BufferedWriter(new FileWriter("d:/1.txt"));String content = null;String result = null;while((content=breader.readLine())!=null){result+=content+"\n";}w.write(result);w.flush();w.close();return result;}public static void main(String[] args) throws Exception{JavaPostTest post  = new JavaPostTest();String aa = post.post();String bb = new String(aa.getBytes("utf-8"));System.out.println(bb);}}