📄 login.jsp
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<%@ page contentType="text/html;charset=GB2312" %>
<%
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 'login.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 name="frm" method="post" action="<%=path %>/servlet/LoginAction">
<table border=1>
<tr><td colspan="2">登录页面</td></tr>
<tr><td>用户名</td><td><input type="text" name="userName" value=""></td></tr>
<tr><td>密码</td><td><input type="password" name="pwd" value=""></td></tr>
<tr><td colspan="2">
<select name="type">
<option value="user">普通用户</option>
<option value="admin">管理员</option>
</select>
</td></tr>
<tr><td colspan="2"><input type="button" value="提交" onclick="check();"></td></tr>
</table>
</form>
</body>
</html>
<script language="JavaScript">
function check(){
if(frm.userName.value==""){
alert("userName excepted!");
return false;
}
if(frm.pwd.value==""){
alert("password excepted!");
return false;
}
frm.submit();
}
</script>
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