登陆界面

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>三杰</title>
<link type="text/css" rel="stylesheet" th:href="@{/css/style.css}" href="/css/style.css" />
<link type="text/css" rel="stylesheet" th:href="@{/css/public.css}" href="/css/public.css" />
</head>
<body class="login_bg">
<section class="loginBox">
<header class="loginHeader">
<h1></h1>
</header>x`
<section class="loginCont">
<form class="loginForm" action="#" th:action="@{/login/loginck}" name="actionForm" id="actionForm"
th:object="{user}" method="post" onsubmit="return loginck()">
<div class="info"></div>
<div class="info" th:text="{errLogin}"></div>
<div class="inputbox">
<label>用户名:</label>
<input type="text" class="input-text" th:field="*{username}" name="username" placeholder="请输入用户名" required/>
</div>
<div class="inputbox">
<label>密 码:</label>
<input type="password" th:field="*{userpassword}" placeholder="请输入密码" name="userpassword" required/>
</div>
<div class="subBtn">
<input type="submit" value="登录"/>
<input type="reset" value="重置"/>
</div>
</form>
</section>
</section>
</body>
<script type="text/javascript" th:src="@{/static/js/jquery-1.8.3.min.js}" src="/static/js/jquery-1.8.3.min.js" src="/js/jquery-1.8.3.min.js"></script>
<script type="text/javascript">
function loginck() {
(".info").html("用户名至少需要4位");
var test=document.getElementsByName("username");
varusername =("#username").val();
var username =test.innerHTML;
alert(username);
varuserCode = ("#userCode").val();
varuserPassword = ("#userPassword").val();
if(userCode.length<4){
(".info").html("用户名至少需要4位");
alert("cuowu");
return false;
}else if(userPassword.length<4){
(".info").html("密码至少需要4位");
return false;
}(".info").html("");
return true;
}
</script>
</html>