Servlet:Post提交表单

src 目录下com.xieyuan包MyServlet.java文件(Servlet文件)

package com.xieyuan;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URLEncoder;
import java.util.Enumeration;
import java.util.Random;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.sun.corba.se.impl.javax.rmi.CORBA.Util;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

public class MyServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public MyServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}


	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
         execute(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		execute(request, response);
	
	}

	private void execute(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException
	{
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		
		response.setContentType("text/html");
		String getName=request.getParameter("name");
		String getHibby=request.getParameter("hobby");
		
		PrintWriter out=response.getWriter();
		out.println("<DOCTYPE HTML PUBLIC "-//W3C//DTD HTML4.0 Transitional//EN">");
		out.println("<HTML>");
		out.println("<HEAD><TITLE>结果</TITLE></HEAD>");
		out.println("<BODY>");
		out.println("您的信息如下:");
		out.println(getName+"
"+getHibby);
		out.println("<br/><input type='button' value='返回上一页' onclick='history.go(-1)' />");
		out.println("</BODY>");
		out.println("</HTML>");
	}
	
	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
	}

}
部署好WEB后,访问:http://127.0.0.1:8080/Test/servlet/MyServlet 进入登录页面
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'index.jsp' starting page</title>
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
	
  </head>
  
  <body>
     <form action="servlet/MyServlet" method="post">
        <div align="center"><BR/>
        <fieldset style='80%' >
           <legend>填写信息</legend><br/>
           <div class="line" align="left">
              姓名:<input type="text" name="name" width="200px" /><br/>
              爱好:<input type="checkbox" name="hobby" value="踢球" id="tiqiu"/>
                  <label for="tiqiu">踢球</label>
                  <input type="checkbox" name="hobby" value="上网" id="shangwang" />
                  <label for="shangwang">上网</label>
                  
                  <input type="checkbox" name="hobby" value="下棋" id="xiaqi" />
                  <label for="xiaqi">下棋</label>
             </div>
                  <br/><br/><br/><br/><input type="submit" value=" 提  交 ">
          
        </fieldset>
        </div>
     </form>
     <form>


原文地址:https://www.cnblogs.com/xieyuan/p/3787501.html