servlet_07 servlet复选框实例

来源：互联网发布：微信拼手气红包算法编辑：程序博客网时间：2024/06/03 14:20

CheckBox.java:

package MyServlet;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.*;import java.io.IOException;/** * Created by 1192126986 on 2017/1/16. */@WebServlet(name = "CheckBox")public class CheckBox extends HttpServlet {    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {        response.setContentType("text/html;charset=UTF-8");        PrintWriter out=response.getWriter();        String title = "读取复选框数据";        String docType = "<!DOCTYPE html> \n";        out.println(docType +                "<html>\n" +                "<head><title>" + title + "</title></head>\n" +                "<body bgcolor=\"#f0f0f0\">\n" +                "<h1 align=\"center\">" + title + "</h1>\n" +                "<ul>\n" +                "  <li><b>菜鸟按教程标识：</b>: "                + request.getParameter("runoob") + "\n" +                "  <li><b>Google 标识：</b>: "                + request.getParameter("google") + "\n" +                "  <li><b>淘宝标识：</b>: "                + request.getParameter("taobao") + "\n" +                "</ul>\n" +                "</body></html>");    }    // 处理 POST 方法请求的方法    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {        doGet(request, response);    }}

web.xml:

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"         version="3.1">    <servlet>        <servlet-name>CheckBox</servlet-name>        <servlet-class>MyServlet.CheckBox</servlet-class>    </servlet>        <servlet-mapping>        <servlet-name>CheckBox</servlet-name>        <url-pattern>/CheckBox</url-pattern>    </servlet-mapping></web-app>

checkbox.html:

<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>菜鸟教程</title></head><body>    <!--target属性 值：_blank... 描述：规定在何处打开action url--><form action="CheckBox" method="post" target="_blank">    <!--check属性 值：checked 描述：规定此input元素首次加载时被选中-->    <input type="checkbox" name="runoob" checked="checked" />菜鸟教程    <input type="checkbox" name="Google" />Google    <input type="checkbox" name="taobao" checked="checked" />淘宝    <input type="submit" value="选择此站"></form></body></html>

0 0