android,连接服务器的乱码处理

{//回应是处理乱码HttpServletResponse response;response.getOutputStream().write("登陆成功".getBytes("utf-8"));//访问服务器时处理乱码String path = "http://192.168.1.100.8080/web/LoginServlet?username="+URLEncoder.encode(username, "UTF-8")+"&password="+URLEncoder.encode(password, "UTF-8");}