点击输入框旁边的图标来显示 datepicker。设置 datepicker 在获得焦点时打开(默认行为),或者在点击图标时打开,或者在获得焦点/点击图标时打开。

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 日期选择器(Datepicker) - 图标触发器</title>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
  <script src="//code.jquery.com/jquery-1.9.1.js"></script>
  <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
  <link rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css">
  <script>
  $(function() {
    $( "#datepicker" ).datepicker({
      showOn: "button",
      buttonImage: "images/calendar.gif",
      buttonImageOnly: true
    });
  });
  </script>
</head>
<body>
 
<p>日期:<input type="text" id="datepicker"></p>
 
 
</body>
</html>