一个高亮单元格的JS表格特效_层和布局特效

JS控制表格的单元格高亮显示的效果，每个单元格在鼠标滑过、移过、点击的时候颜色是不同的，而且特效中的JS是一个封装好的类，使用时候引入就行了。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" mrc="text/html; charset=utf-8" />
<title>Welcome to Tablecloth</title>
<style>
table, td{
	font:100% Arial, Helvetica, sans-serif; 
}
table{width:100%;border-collapse:collapse;margin:1em 0;}
th, td{text-align:left;padding:.5em;border:1px solid #fff;}
th{background:#328aa4 url(tr_back.gif) repeat-x;color:#fff;}
td{background:#e5f1f4;}
tr.even td{background:#e5f1f4;}
tr.odd td{background:#f8fbfc;}
th.over, tr.even th.over, tr.odd th.over{background:#4a98af;}
th.down, tr.even th.down, tr.odd th.down{background:#bce774;}
th.selected, tr.even th.selected, tr.odd th.selected{}
td.over, tr.even td.over, tr.odd td.over{background:#ecfbd4;}
td.down, tr.even td.down, tr.odd td.down{background:#bce774;color:#fff;}
td.selected, tr.even td.selected, tr.odd td.selected{background:#bce774;color:#555;}
td.empty, tr.odd td.empty, tr.even td.empty{background:#fff;}
</style>
<script type="text/javascript">
this.tablecloth = function(){
	var highlightCols = true;
	var highlightRows = false;	
	var selectable = true;
	this.clickAction = function(obj){
		
	};
	var tableover = false;
	this.start = function(){
		var tables = document.getElementsByTagName("table");
		for (var i=0;i<tables.length;i++){
			tables[i].onmouseover = function(){tableover = true};
			tables[i].onmouseout = function(){tableover = false};			
			rows(tables[i]);
		};
	};
	
	this.rows = function(table){
		var css = "";
		var tr = table.getElementsByTagName("tr");
		for (var i=0;i<tr.length;i++){
			css = (css == "odd") ? "even" : "odd";
			tr[i].className = css;
			var arr = new Array();
			for(var j=0;j<tr[i].childNodes.length;j++){				
				if(tr[i].childNodes[j].nodeType == 1) arr.push(tr[i].childNodes[j]);
			};		
			for (var j=0;j<arr.length;j++){				
				arr[j].row = i;
				arr[j].col = j;
				if(arr[j].innerHTML == "&nbsp;" || arr[j].innerHTML == "") arr[j].className += " empty";					
				arr[j].css = arr[j].className;
				arr[j].onmouseover = function(){
					over(table,this,this.row,this.col);
				};
				arr[j].onmouseout = function(){
					out(table,this,this.row,this.col);
				};
				arr[j].onmousedown = function(){
					down(table,this,this.row,this.col);
				};
				arr[j].onmouseup = function(){
					up(table,this,this.row,this.col);
				};				
				arr[j].onclick = function(){
					click(table,this,this.row,this.col);
				};								
			};
		};
	};

this.over = function(table,obj,row,col){
		if (!highlightCols && !highlightRows) obj.className = obj.css + " over";  
		if(check1(obj,col)){
			if(highlightCols) highlightCol(table,obj,col);
			if(highlightRows) highlightRow(table,obj,row);		
		};
	};
	this.out = function(table,obj,row,col){
		if (!highlightCols && !highlightRows) obj.className = obj.css; 
		unhighlightCol(table,col);
		unhighlightRow(table,row);
	};
	this.down = function(table,obj,row,col){
		obj.className = obj.css + " down";  
	};
	this.up = function(table,obj,row,col){
		obj.className = obj.css + " over";  
	};	
	this.click = function(table,obj,row,col){
		if(check1){
			if(selectable) {
				unselect(table);	
				if(highlightCols) highlightCol(table,obj,col,true);
				if(highlightRows) highlightRow(table,obj,row,true);
				document.onclick = unselectAll;
			}
		};
		clickAction(obj); 		
	};		
	
	this.highlightCol = function(table,active,col,sel){
		var css = (typeof(sel) != "undefined") ? "selected" : "over";
		var tr = table.getElementsByTagName("tr");
		for (var i=0;i<tr.length;i++){	
			var arr = new Array();
			for(j=0;j<tr[i].childNodes.length;j++){				
				if(tr[i].childNodes[j].nodeType == 1) arr.push(tr[i].childNodes[j]);
			};							
			var obj = arr[col];
			if (check2(active,obj) && check3(obj)) obj.className = obj.css + " " + css; 		
		};
	};
	this.unhighlightCol = function(table,col){
		var tr = table.getElementsByTagName("tr");
		for (var i=0;i<tr.length;i++){
			var arr = new Array();
			for(j=0;j<tr[i].childNodes.length;j++){				
				if(tr[i].childNodes[j].nodeType == 1) arr.push(tr[i].childNodes[j])
			};				
			var obj = arr[col];
			if(check3(obj)) obj.className = obj.css; 
		};
	};	
	this.highlightRow = function(table,active,row,sel){
		var css = (typeof(sel) != "undefined") ? "selected" : "over";
		var tr = table.getElementsByTagName("tr")[row];		
		for (var i=0;i<tr.childNodes.length;i++){		
			var obj = tr.childNodes[i];
			if (check2(active,obj) && check3(obj)) obj.className = obj.css + " " + css; 		
		};
	};
	this.unhighlightRow = function(table,row){
		var tr = table.getElementsByTagName("tr")[row];		
		for (var i=0;i<tr.childNodes.length;i++){
			var obj = tr.childNodes[i];			
			if(check3(obj)) obj.className = obj.css; 			
		};
	};
	this.unselect = function(table){
		tr = table.getElementsByTagName("tr")
		for (var i=0;i<tr.length;i++){
			for (var j=0;j<tr[i].childNodes.length;j++){
				var obj = tr[i].childNodes[j];	
				if(obj.className) obj.className = obj.className.replace("selected","");
			};
		};
	};
	this.unselectAll = function(){
		if(!tableover){
			tables = document.getElementsByTagName("table");
			for (var i=0;i<tables.length;i++){
				unselect(tables[i])
			};		
		};
	};	
	this.check1 = function(obj,col){
		return (!(col == 0 && obj.className.indexOf("empty") != -1));
	}
	this.check2 = function(active,obj){
		return (!(active.tagName == "TH" && obj.tagName == "TH")); 
	};
	this.check3 = function(obj){
		return (obj.className) ? (obj.className.indexOf("selected") == -1) : true; 
	};	
	
	start();
	
};
window.onload = tablecloth;
</script>
<style>
body{
	margin:0;
	padding:0;
	background:#f1f1f1;
	font:70% Arial, Helvetica, sans-serif; 
	color:#555;
	line-height:150%;
	text-align:left;
}
a{
	text-decoration:none;
	color:#057fac;
}
a:hover{
	text-decoration:none;
	color:#999;
}
h1{
	font-size:140%;
	margin:0 20px;
	line-height:80px;	
}
h2{
	font-size:120%;
}
#container{
	margin:0 auto;
	width:680px;
	background:#fff;
	padding-bottom:20px;
}
#mrc{margin:0 20px;}
p.sig{	
	margin:0 auto;
	width:680px;
	padding:1em 0;
}
form{
	margin:1em 0;
	padding:.2em 20px;
	background:#eee;
}
</style>
</head>
<body>
<div id="container">
	<div id="mrc">	
		<h2>Table with top headings</h2>
			<table cellspacing="0" cellpadding="0">
			<tr>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>
			</tr>			
			<tr>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
			</tr>							
		</table>
		
		<table cellspacing="0" cellpadding="0">
			<tr>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>
				<th>Title</th>								
			</tr>
			<tr>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>								
			</tr>			
			<tr>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>								</tr>
		</table>		
	
		<h2>Table with side headings</h2>
	
		<table cellspacing="0" cellpadding="0">
			<tr>
				<th>Title</th>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
			</tr>			
			<tr>
				<th>Title</th>
				<td>Data</td>
				<td>Data</td>
				<td>Data</td>
			</tr>																																					
		</table>		
	</div>
</div>
</body>
</html>

所属频道：层和布局特效/更新时间：2012-12-24

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