servlet 将输入内容通过拼接页面的方式显示出来

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<!-- charset="utf-8" 页面编码 -->



<title>ReturnName</title>

</head>

<body>

	<form action="ReturnNameServlet" method="post">

		<input type="text" name="textname"> 

		<input type="submit" value="提交">

	</form>

</body>

</html>

returnname.html

package controller;



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 ReturnNameServlet

 */

@WebServlet("/ReturnNameServlet")

public class ReturnNameServlet extends HttpServlet {

	private static final long serialVersionUID = 1L;



    /**

     * Default constructor. 

     */

    public ReturnNameServlet() {

        // 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

	}



	/**

	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)

	 */

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		// TODO Auto-generated method stub

		

		request.setCharacterEncoding("utf-8");

		response.setCharacterEncoding("utf-8");

		//设置编码字符集

		

		

		String username=request.getParameter("textname");

		response.setContentType("text/html");

		PrintWriter out = response.getWriter();

		out.print("<head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\"></head><body>");

		out.print("<body>submitname is ");

		out.print(username);

		out.print("</body>");

		out.flush();

		out.close();

	}



}

 ReturnNameServlet.java

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