看来只有我自己回答了                  //得到一个定位
URL url=new URL(path);

//获取链接
HttpURLConnection httpConn=(HttpURLConnection)url.openConnection();
httpConn.setDoOutput(true);
httpConn.setDoInput(true);
httpConn.setRequestMethod("POST");
//拿到Cookie
SharedPreferences shareCookie=context.getSharedPreferences("cookie", Context.MODE_WORLD_READABLE);
String strCookie=shareCookie.getString("cookie", "default");
Log.i("Test", "Cookie------------>"+strCookie);
                 //提交Cookie
httpConn.setRequestProperty("Cookie", strCookie);