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<script language="text/javascript">
function aSubmit(form) {
var name = form.UserName.value;
var pass = form.Password.value;
if (name.length == 0) {
alert("账号不能为空!");
return false;
} else if (pass.length == 0) {
alert("密码不能为空!");
return false;
}
return true;
}
</script>
<body>
<div class="container">
<div class="form-signin">
<img src="img/logo.png">
<form method="POST" name="LoginForm" action="jsp/check.jsp">
<div id="form-signin">
<input type="text" class="input-block-level" placeholder="用户名" id="username" name="UserName">
<input type="password" class="input-block-level" placeholder="密码" id="password" name="Password">
<button id="btnLogOn" class="btn btn-large btn-primary btn-block ladda-button zoom-out" onclick="return aSubmit(this.form)"> <span class="ladda-label">登陆</span>
<span class="ladda-spinner"></span>
<div class="ladda-progress" style="width: 0px;"></div>
</button>
</div>
</form>
</div>