可以通过calendar控件的validator方法设置。
实例：
<head>
<meta charset="UTF-8">
<title>Restrict Date Range in DateBox - jQuery EasyUI Demo</title>
<link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="../../themes/icon.css">
<link rel="stylesheet" type="text/css" href="../demo.css">
<script type="text/javascript" src="../../jquery.min.js"></script>
<script type="text/javascript" src="../../jquery.easyui.min.js"></script>
</head>
<body>
<h2>Restrict Date Range in DateBox</h2>
<p>This example shows how to restrict the user to select only ten days from now.</p>
<div style="margin:20px 0;"></div>
<input id="dd"></input>
<script>
$(function(){
$('#dd').datebox().datebox('calendar').calendar({
validator: function(date){
var now = new Date();
var d1 = new Date(now.getFullYear(), now.getMonth(), now.getDate());
var d2 = new Date(now.getFullYear(), now.getMonth(), now.getDate()+10);
return d1<=date && date<=d2;
}
});
});
</script>
</body>
</html>
