点击某个按钮或链接时，触发等待加载效果：
现在贴出一个小例子的完整代码，其中包含了各种等待加载效果,
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<link rel="stylesheet" type="text/css"
href="css/jquery.mobile-1.3.2.min.css">
<script type="text/javascript" src="js/jquery-1.6.4.min.js"></script>
<script type="text/javascript" src="js/jquery.mobile-1.3.2.min.js"></script>
</head>
<script type="text/javascript">
$(document).bind("mobileinit", function() {
});
$(function() {
//默认设置，一个小圈圈在转
$('#default').live('click', function() {
//alert("ok");
$.mobile.loadingMessageTextVisible = false;
$.mobile.showPageLoadingMsg();
});
//小圈子外围加矩形的背景
$('#loadingMessageTextVisible').live('click', function() {
$.mobile.loadingMessageTextVisible = true;
$.mobile.loadingMessageTheme = 'a';
$.mobile.showPageLoadingMsg();
});
//矩形背景样式为e
$('#loadingMessageTheme').live('click', function() {
$.mobile.loadingMessageTextVisible = true;
$.mobile.loadingMessageTheme = 'e';
$.mobile.showPageLoadingMsg();
});
//小圈子下面加上文字
$('#customText').live('click', function() {
$.mobile.loadingMessageTextVisible = true;
$.mobile.showPageLoadingMsg('a', "Please wait...");
});
//只有文字，没有小圈子在转
$('#noSpinner').live('click', function() {
$.mobile.loadingMessageTextVisible = true;
$.mobile.showPageLoadingMsg('a', "Please wait...", true);
});
});
</script>
<body>
<p>
<a id="default" data-role="button">Default Loader</a>
</p>
<p>
<a id="loadingMessageTextVisible" data-role="button">loadingMessageTextVisible
= true</a>
</p>
<p>
<a id="loadingMessageTheme" data-role="button">loadingMessageTheme
= 'e'</a>
</p>
<p>
<a id="customText" data-role="button">Custom Text</a>
</p>
<p>
<a id="noSpinner" data-role="button">No Spinner</a>
</p>
</body>
</html>