编码

package com.runoob.test;

import java.io.IOException;
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 HelloServlet
  */
  @WebServlet("/HelloServlet")
  public class HelloServlet extends HttpServlet {
  private static final long serialVersionUID = 1L;

  /**

  • @see HttpServlet#HttpServlet()
    */
    public HelloServlet() {
    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
    // 使用 GBK 设置中文正常显示
    //response.setContentType("UTF-8");
    //response.setCharacterEncoding("UTF-8");
    //或者
    //response.setCharacterEncoding("UTF-8");
    //response.setContentType("UTF-8");
    //上面的两种情况等价于下面的一句代码

    response.setCharacterEncoding("GBK");

    response.getWriter().write("菜鸟教程：http://www.runoob.com");
    }

  /**

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

}