试卷

爱被打了一巴掌 2022-05-12 12:06 195阅读 0赞

1.  题目一：

<%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!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">
    <title>考试题1</title>
    <script type="text/javascript" src="css/jquery.js"></script>
    </head>
    <script type="text/javascript">
    $(function(){
    	$("input[type='button']").click(function(){
    		//方法1：普通的遍历
    		//var cBoxs = $("input[type='checkbox']");
    		//for(var i = 0; i < cBoxs.length; i++){
    		//	if(i == 0 || i == 2 || i ==4){
    		//		cBoxs[i].checked = true;
    		//	}
    		//}
    		//方法2：使用each的遍历  $(selector).each(function(index,element))
    		$.each($("input[type='checkbox']"),function(index,ckb){
    			if(index == 0 || index == 2 || index == 4)
    				ckb.checked = true;
    		});
    	});
    });
    </script>
    <body>
    <input type="checkbox" name="1"/><br/>
    <input type="checkbox" name="2"/><br/>
    <input type="checkbox" name="3"/><br/>
    <input type="checkbox" name="4"/><br/>
    <input type="checkbox" name="5"/><br/>
    <input type="checkbox" name="6"/><br/>
    <input type="button" value="选中1,3,5"/>
    </body>
    </html>

1.  题目二：

<%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!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">
    <title>考试题二</title>
    <script type="text/javascript" src="css/jquery.js"></script>
    <script type="text/javascript">
    $(function(){
    	$("input[type='submit']").click(function(){
    		var user = $("input:first").val();
    		var pwd = $("input:eq(1)").val();
    		$.ajax({
    			url:"login.do",
    			method:"post",
    			data:{"user":user,"pwd":pwd},
    			dataType: "text",
    			async: true,
    			success:function(msg){
    				alert(msg);
    			}
    		});
    	});	
    });
    </script>
    </head>
    <body>
    
    <input type="text" name="user"/><br/>
    <input type="password" name="pwd"/><br/>
    <input type="submit" value="提交"/>
    </body>
    </html>

package com.action;
    
    import java.io.IOException;
    
    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    
    public class LoginAction extends HttpServlet {
    
    	/**
    	 * 
    	 */
    	private static final long serialVersionUID = 1L;
    
    	@Override
    	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
    			throws ServletException, IOException {
    		doPost(req, resp);
    	}
    
    	@Override
    	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
    			throws ServletException, IOException {
    		req.setCharacterEncoding("UTF-8");
    		resp.setCharacterEncoding("UTF-8");
    		resp.setContentType("text/html;charset=UTF-8");
    		String user = req.getParameter("user");
    		String pwd = req.getParameter("pwd");
    		resp.getWriter().print(user+"登录成功"+pwd);
    	}
    	
    
    }

<?xml version="1.0" encoding="UTF-8"?>
    <web-app version="2.4" 
    	xmlns="http://java.sun.com/xml/ns/j2ee" 
    	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    	xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 
    	http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
      <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
      </welcome-file-list>
      
      <servlet>
      	<servlet-name>login</servlet-name>
      	<servlet-class>com.action.LoginAction</servlet-class>
      </servlet>
      <servlet-mapping>
      	<servlet-name>login</servlet-name>
      	<url-pattern>/login.do</url-pattern>
      </servlet-mapping> 
    </web-app>

![在这里插入图片描述][70]

[70]: /images/20220512/fa934ebc9d024a7c9fd3d12716125188.png