非常Cool的下拉消息提示效果

一个下拉式的弹出消息功能，当需要信息提示时消息从浏览器顶端弹出，本范例给出了四种消息，警告、错误、提示、成功，可以自己修改

查看演示页面 View Demo 查看全部代码 View Code

样式定义：

<style>

body
{
		 margin: 0;
		 padding: 0;
		 font: 12px Arial, Helvetica, sans-serif;
		 background: #f1f1f1;
}

.message
{
		-webkit-background-size: 40px 40px;
		-moz-background-size: 40px 40px;
		background-size: 40px 40px;			
		background-image: -webkit-gradient(linear, left top, right bottom,
								color-stop(.25, rgba(255, 255, 255, .05)), color-stop(.25, transparent),
								color-stop(.5, transparent), color-stop(.5, rgba(255, 255, 255, .05)),
								color-stop(.75, rgba(255, 255, 255, .05)), color-stop(.75, transparent),
								to(transparent));
		background-image: -webkit-linear-gradient(135deg, rgba(255, 255, 255, .05) 25%, transparent 25%,
							transparent 50%, rgba(255, 255, 255, .05) 50%, rgba(255, 255, 255, .05) 75%,
							transparent 75%, transparent);
		background-image: -moz-linear-gradient(135deg, rgba(255, 255, 255, .05) 25%, transparent 25%,
							transparent 50%, rgba(255, 255, 255, .05) 50%, rgba(255, 255, 255, .05) 75%,
							transparent 75%, transparent);
		background-image: -ms-linear-gradient(135deg, rgba(255, 255, 255, .05) 25%, transparent 25%,
							transparent 50%, rgba(255, 255, 255, .05) 50%, rgba(255, 255, 255, .05) 75%,
							transparent 75%, transparent);
		background-image: -o-linear-gradient(135deg, rgba(255, 255, 255, .05) 25%, transparent 25%,
							transparent 50%, rgba(255, 255, 255, .05) 50%, rgba(255, 255, 255, .05) 75%,
							transparent 75%, transparent);
		background-image: linear-gradient(135deg, rgba(255, 255, 255, .05) 25%, transparent 25%,
							transparent 50%, rgba(255, 255, 255, .05) 50%, rgba(255, 255, 255, .05) 75%,
							transparent 75%, transparent);
								
		 -moz-box-shadow: inset 0 -1px 0 rgba(255,255,255,.4);
		 -webkit-box-shadow: inset 0 -1px 0 rgba(255,255,255,.4);		
		 box-shadow: inset 0 -1px 0 rgba(255,255,255,.4);
		 width: 100%;
		 border: 1px solid;
		 color: #fff;
		 padding: 15px;
		 position: fixed;
		 _position: absolute;
		 text-shadow: 0 1px 0 rgba(0,0,0,.5);
		 -webkit-animation: animate-bg 5s linear infinite;
		 -moz-animation: animate-bg 5s linear infinite;
}

.info
{
		 background-color: #4ea5cd;
		 border-color: #3b8eb5;
}

.error
{
		 background-color: #de4343;
		 border-color: #c43d3d;
}
		 
.warning
{
		 background-color: #eaaf51;
		 border-color: #d99a36;
}

.success
{
		 background-color: #61b832;
		 border-color: #55a12c;
}

.message h3
{
		 margin: 0 0 5px 0;													 
}

.message p
{
		 margin: 0;													 
}

@-webkit-keyframes animate-bg
{
    from {
        background-position: 0 0;
    }
    to {
       background-position: -80px 0;
    }
}


@-moz-keyframes animate-bg 
{
    from {
        background-position: 0 0;
    }
    to {
       background-position: -80px 0;
    }
}


#trigger-list
{
		 text-align: center;
		 margin: 100px 0;
		 padding: 0;
}

#trigger-list li
{
		 display: inline-block;
		 *display: inline;
		 zoom: 1;
}

#trigger-list .trigger
{
		 display: inline-block;
		 background: #ddd;
		 border: 1px solid #777;
		 padding: 10px 20px;
		 margin: 0 5px;
		 font: bold 12px Arial, Helvetica;
		 text-decoration: none;
		 color: #333;
		 -moz-border-radius: 3px;
		 -webkit-border-radius: 3px;
		 border-radius: 3px;
}

#trigger-list .trigger:hover
{
		background: #f5f5f5;
}

/*--------------------------------------*/

.centered
{
		 text-align: center;
}

.twitter-follow-button
{
		 position: relative;
		 top: 7px;
}

</style>

javascript脚本：

<script>

        /*****************************************************
         *  Share JavaScript (http://www.ShareJS.com)
         * 使用此脚本程序，请保留此声明
         * 获取此脚本以及更多的JavaScript程序，请访问 http://www.ShareJS.com
         ******************************************************/
    
var myMessages = ['info','warning','error','success']; // define the messages types		 
function hideAllMessages()
{
		 var messagesHeights = new Array(); // this array will store height for each
	 
		 for (i=0; i<myMessages.length; i++)
		 {
				  messagesHeights[i] = $('.' + myMessages[i]).outerHeight();
				  $('.' + myMessages[i]).css('top', -messagesHeights[i]); //move element outside viewport	  
		 }
}

function showMessage(type)
{
	$('.'+ type +'-trigger').click(function(){
		  hideAllMessages();				  
		  $('.'+type).animate({top:"0"}, 500);
	});
}

$(document).ready(function(){
		 
		 // Initially, hide them all
		 hideAllMessages();
		 
		 // Show message
		 for(var i=0;i<myMessages.length;i++)
		 {
			showMessage(myMessages[i]);
		 }
		 
		 // When message is clicked, hide it
		 $('.message').click(function(){			  
				  $(this).animate({top: -$(this).outerHeight()}, 500);
		  });		 
		 
});       
</script>

HTML代码：

<div class="info message">
		 <h3>FYI, something just happened!</h3>
		 <p>This is just an info notification message.</p>
</div>

<div class="error message">
		 <h3>Ups, an error ocurred</h3>
		 <p>This is just an error notification message.</p>

</div>

<div class="warning message">
		 <h3>Wait, I must warn you!</h3>
		 <p>This is just a warning notification message.</p>
</div>

<div class="success message">
		 <h3>Congrats, you did it!</h3>
		 <p>This is just a success notification message.</p>

</div>

<ul id="trigger-list">
		 <li><a href="#" class="trigger info-trigger">Info</a></li>
		 <li><a href="#" class="trigger error-trigger">Error</a></li>
		 <li><a href="#" class="trigger warning-trigger">Warning</a></li>
		 <li><a href="#" class="trigger success-trigger">Success</a></li>
</ul>