滾動條拖動評分的JS效果_表單按鈕特效

特效Tag：g=document m.max(2 ondrag:function (pos 添加

拖動滾動條可以評分的JS效果，運行一下看看效果吧，個人感覺挺不錯，用時候可能需要ASP/PHP或其它語言配合取出值并寫入數據庫才行，這是前臺的實現。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>滾動條拖動評分的JS效果</title>
<style>
body{
	margin:50px; ; 
}
.scale_panel{
	font-size:12px;
	color:#999;
	width:200px;
	position:absolute; 
	line-height:18px; 
	left:60px;
	top:-0px;
}
.scale_panel .r{
	float:right;
}
.scale span{
	1122123<img src=http://p1.mb5u.com/texiao/5/20100522231557331.gif>2244234background:url(http://p1.mb5u.com/texiao/5/20100522231557331.gif) no-repeat; 
	width:8px;
	height:16px; 
	position:absolute; 
	left:-2px;
	top:-1px;
	cursor:pointer;
}
.scale{
	1122123<img src=http://p1.mb5u.com/texiao/5/20100522231557332.gif>2244234background:url(http://p1.mb5u.com/texiao/5/20100522231557332.gif) repeat-x 0 100%;
	border-left:1px #83BBD9 solid;
	border-right:1px red solid;
	width:200px;
	height:10px; 
	position:relative; 
	font-size:0px;
}
.scale div{
	1122123<img src=http://p1.mb5u.com/texiao/5/20100522231557333.gif>2244234background:url(http://p1.mb5u.com/texiao/5/20100522231557333.gif) repeat-x;
	width:0px; 
	position:absolute; 
	width:0;
	left:0;
	height:5px;
	bottom:0;
}
li{
	font-size:12px;
	line-height:50px;
	position:relative; 
	height:50px; 
	list-style:none;
}
</style>
</head>
<body>
<ul>
 <li>愛情 <span id="title">0</span>
<div class="scale_panel">
	<span class="r">100</span>0
	<div class="scale" id="bar">
		<div></div>
		<span id="btn"></span>
	</div> 
</div> 
 </li>
 <li>事業 <span id="title2">0</span>
<div class="scale_panel">
	<span class="r">100</span>0
	<div class="scale" id="bar2">
		<div></div>
		<span id="btn2"></span>
	</div> 
</div> 
 </li>
 <li>家庭 <span id="title3">0</span>
<div class="scale_panel">
	<span class="r">100</span>0
	<div class="scale" id="bar3">
		<div></div>
		<span id="btn3"></span>
	</div> 
</div> 
 </li>
</ul>
</body>
<script>
scale=function (btn,bar,title){
	this.btn=document.getElementById(btn);
	this.bar=document.getElementById(bar);
	this.title=document.getElementById(title);
	this.step=this.bar.getElementsByTagName("DIV")[0];
	this.init();
};
scale.prototype={
	init:function (){
		var f=this,g=document,b=window,m=Math;
		f.btn.onmousedown=function (e){
			var x=(e||b.event).clientX;
			var l=this.offsetLeft;
			var max=f.bar.offsetWidth-this.offsetWidth;
			g.onmousemove=function (e){
				var thisX=(e||b.event).clientX;
				var to=m.min(max,m.max(-2,l+(thisX-x)));
				f.btn.style.left=to+'px';
				f.ondrag(m.round(m.max(0,to/max)*100),to);
				b.getSelection ? b.getSelection().removeAllRanges() : g.selection.empty();
			};
			g.onmouseup=new Function('this.onmousemove=null');
		};
	},
	ondrag:function (pos,x){
		this.step.style.width=Math.max(0,x)+'px';
		this.title.innerHTML=pos+'%';
	}
}
new scale('btn','bar','title');
new scale('btn2','bar2','title2');
new scale('btn3','bar3','title3');
</script>
</html>

所屬頻道：表單按鈕特效/更新時間：2012-11-28

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