java web. servlet解决乱码方法

package com.lyq.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class RegServlet
 */
@WebServlet("/RegServlet")
public class RegServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public RegServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) 
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.setCharacterEncoding("GB18030");
		PrintWriter out=response.getWriter();
		response.setCharacterEncoding("GBK");
		//String name=request.GetParameter("name");输入中文就会输出乱码
		String name=new String(request.getParameter("name").getBytes("iso8859-1"),"utf-8");解决乱码方法
		String password=request.getParameter("password");
		String sex=request.getParameter("sex");
		String sex1=new String(sex.getBytes("iso8859-1"),"utf-8");
		String qq=new String(request.getParameter("qq").getBytes("iso8859-1"),"utf-8");
		String mail=new String(request.getParameter("mail").getBytes("iso8859-1"),"utf-8");//解决乱码方法
		out.println("用户名："+name+"");
		out.println("密码："+password+"");
		out.println("性别:"+sex1+"");
		out.println("qq号码:"+qq+"");
		out.println("E-Mail地址:"+mail+"");
		out.flush();
		out.close();
	}

}