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课程引言课后作业1

1.网站系统开发需要掌握的技术。

  Java语言、环境配置、网页脚本语言、数据库、应用服务器。

2.课堂测试源代码。

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
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="http://www.mamicode.com/">
    
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="this is my page">
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    <script type="text/javascript">
        function login(){
        var username=document.getElementById("username").value;
        var password=document.getElementById("password").value;
        if(username==""||username==null){
            document.getElementById("umess").innerHTML="username is null";
            return;
        }
        if(password==""||password==null){
            document.getElementById("pmess").innerHTML="password is null";
            return;
        }
        if(username=="admin"&&password=="admin"){
            alert(username+"success");
            window.open("loginsuccess.html");
        }else{
            alert("error");
        }
        }
        function exit(){
        window.close();
}
</script>
</head>

<body>
<div>
<form action="" method="post">
<table border=1 align="center">
<tr align="center"><td colspan="3">login</td></tr>
<tr>
<td>username:</td><td><input type="text" id="username" name="username"/></td><td id="umess"></td>
</tr>
<tr>
<td>password:</td><td><input type="password" id="password" name="password"/></td><td id="pmess"></td>
</tr>
<tr align="center">
<td colspan="3">
<input type="button" value="http://www.mamicode.com/login" onclick="login();"/>
<input type="button" value="http://www.mamicode.com/cancel" onclick="exit();"/>
</td>
</tr>
</table>
</form>
</div>
</body>
</html>

3.截图

 

 

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课程引言课后作业1