jQuery遮罩插件jQuery.blockUI介绍及使用


jQuery BlockUI Plugin概述:

jQuery BlockUI插件可以在不锁定浏览器的同时,模拟同步模式下发起Ajax请求的行为。该插件激活时,会阻止用户在页面进行的操作,直到插件被关闭。BlockUI通过向DOM中添加元素实现其外观和组织用户交互的行为。

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
	<script src="http://www.oschina.net/js/2012/jquery-1.7.1.min.js"></script>
	<script type="text/javascript" src="http://malsup.github.io/min/jquery.blockUI.min.js"></script>
<title>jquery block ui插件遮罩效果</title>
<style type="text/css">
    #testblock {
    	height: 400px;
	    width: 600px;
	    background-color: #D8D1D1;
    }
</style>
<script>
	// unblock when ajax activity stops
    //$(document).ajaxStop($.unblockUI);


    $(document).ready(function() {
        $('#pageDemo0').click(function() {
            $.blockUI();
        });

        $('#pageDemo1').click(function() {
            $('#testblock').block();
        });

        $('#pageDemo2').click(function() {
            $('#testblock').block({ message: '<h1><img src="http://static.oschina.net/uploads/space/2014/0430/115223_oFLD_1163935_thumb.gif" /> Just a moment...</h1>' });
        });

        $('#pageDemo3').click(function() {
            $('#testblock').block({ css: { backgroundColor: '#f00', color: '#fff' } });
        });

        $('#pageDemo4').click(function() {
            $('#testblock').block({ message: $('#domMessage') });
        });

        $('#showDialog').click(function() {
            $('#testblock').block({ message: $('#question'), css: { width: '275px' } });
        });

        $('#unblockButton').click(function() {
        	$('#testblock').unblock()
        })

        $('#yes').click(function() {
            // update the block message
            $('#testblock').block({ message: "<h1>Remote call in progress...</h1>" });

            $.ajax({
                url: 'wait.php',
                cache: false,
                complete: function() {
                    // unblock when remote call returns
                    $.unblockUI();
                }
            });
        });

        $('#no').click(function() {
            $('#testblock').unblock();
            return false;
        });
    });
</script>
 </head>

 <body>
 	<input class="demo" id="pageDemo0" type="button" value="block hole page">
 	<input class="demo" id="pageDemo1" type="button" value="Default Message">
 	<input class="demo" id="pageDemo2" type="button" value="Custom Message">
 	<input class="demo" id="pageDemo3" type="button" value="Custom Style">
 	<input class="demo" id="pageDemo4" type="button" value="DOM Element as Message">
 	<input id="showDialog" type="button" value="Show Dialog">
 	<input id="unblockButton" type="button" value="Unblock">
</br>
 <div id="domMessage" style="display:none;">
    <h1>We are processing your request.  Please be patient.</h1>
</div>
</br>
<div id='testblock'>
</div>
</br>
<div id="question" style="display:none; cursor: default">
        <h1>Would you like to contine?.</h1>
        <input type="button" id="yes" value="Yes" />
        <input type="button" id="no" value="No" />
</div>
 </body>
</html>

效果图:

jQuery遮罩插件jQuery.blockUI介绍及使用_第1张图片 jQuery遮罩插件jQuery.blockUI介绍及使用_第2张图片
更多案例:http://malsup.com/jquery/block/#demos

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