直接上代码，调用的时候要放在线程中。

package slj.getsms;import java.io.BufferedReader;import java.io.InputStreamReader;import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.URL;import java.io.IOException;public class sljWork {	public static String GetDataFromKC(String loginUrl,String loginParam,String indexUrl)	{		byte[] btParam=loginParam.getBytes();		try{			URL url=new URL(loginUrl);			HttpURLConnection conn=(HttpURLConnection)url.openConnection();			conn.setConnectTimeout(3000);			conn.setRequestMethod("POST");			conn.setInstanceFollowRedirects(false);			OutputStream outStream=conn.getOutputStream();			outStream.write(btParam);			conn.connect();			String[] backHeader=conn.getHeaderField("Location").split(";");			String sessionId="user_login_id=dddd; "+backHeader[1].toUpperCase();			URL nextUrl=new URL(indexUrl);			HttpURLConnection nextConn=(HttpURLConnection)nextUrl.openConnection();			nextConn.addRequestProperty("Cookie",sessionId);			nextConn.connect();			BufferedReader bufReader=new BufferedReader(new InputStreamReader(nextConn.getInputStream(),"GBK"));			String backData="";			String line="";			while((line=bufReader.readLine())!=null)				backData+=line+"\r\n";			return backData;		}catch (IOException e){			return "ErrorInfo:"+e.getMessage().toString();		}	}	public static String GetDataByPost(String strUrl)	{		byte[] btPostData=new String("pname=slj&ppass=slj").getBytes();		try{			URL url=new URL(strUrl);			HttpURLConnection conn=(HttpURLConnection)url.openConnection();			conn.setConnectTimeout(3000);			conn.setRequestMethod("POST");			conn.setInstanceFollowRedirects(false);			OutputStream outStream=conn.getOutputStream();			outStream.write(btPostData);			conn.connect();			BufferedReader bufReader=new BufferedReader(new InputStreamReader(conn.getInputStream(),"utf-8"));			String backData="";			String line="";			while((line=bufReader.readLine())!=null)				backData+=line+"\r\n";			return backData;		}catch(IOException e){			return "ErrorInfo:"+e.getMessage().toString();		}	}	public static String GetDataByGet(String strUrl)	{		try{			URL url=new URL(strUrl);			HttpURLConnection conn=(HttpURLConnection)url.openConnection();			conn.setConnectTimeout(3000);			conn.setRequestMethod("GET");			conn.connect();			BufferedReader bufReader=new BufferedReader(new InputStreamReader(conn.getInputStream(),"utf-8"));			String backData="";			String line="";			while((line=bufReader.readLine())!=null)				backData+=line+"\r\n";			return backData;		}catch(IOException e){			return "ErrorInfo:"+e.getMessage().toString();		}	}}