login.jsp
Java 2016
<%--
Document : login
Created on : Sep 12, 2016, 4:04:53 PM
Author : Lonely
--%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Login</title>
<script type="text/javascript">
function validate()
{
var a = document.getElementById("a");
var b = document.getElementById("b");
var valid = true;
if (a.value.length <= 0)
{
alert("Username không được để trống!");
valid = false;
}
else if(b.value.length < 6){
alert("Password it nhat 6 ki tu");
valid = false;
}
return valid;
};
</script>
</head>
<body>
<h1> Login Validate</h1>
<form action="home.jsp" method="POST" onsubmit="return validate();">
Username:<input type="text" name="user" value="" id="a"/><br/>
Password:<input type="text" name="pass" value="" id="b"/><br/>
<input type="submit" value="Login"/>
</form>
</body>
</html>
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