<!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" content="text/html; charset=gb2312" /> 
<style> 
<!-- 
/* css for data grid*/ 
.datagrid { 
width: 100%; 
background-color: #6595d6; 
} 
.datagrid caption { 
} 
.datagrid th { 
/*background-image: url("images/div.th.background-image.gif" );*/ 
background-color: #6595d6; 
color: #ffffff; 
font-size: 12px; 
font-weight: bold; 
height: 25px; 
line-height: 25px; 
text-align: center; 
} 
.datagrid tr { 
} 
.datagrid td { 
padding: 5px; 
background-color: #ffffff; 
} 
/* css for OEC form page*/ 
.row_focus { 
background: #B0FFB0; 
border: 1px solid #00cc33; 
} 
/* css or table row effect */ 
tr.alt td { 
background: #ecf6fc; 
} 
tr.over td { 
background: #bcd4ec; 
} 
--> 
</style> 
<title>無標(biāo)題文檔</title> 
</head> 
<body> 
<form id="form1" name="form1" method="post" action=""> 
<label> 
<input type="text" name="txt_no" id="txt_no" /> 
</label> 
<br /> 
<table width="600" border="0" cellpadding="3" cellspacing="1" class="datagrid"> 
<tr> 
<td>1</td> 
<td> 張三</td> 
<td>&nbsp;</td> 
</tr> 
<tr> 
<td>2</td> 
<td>李四</td> 
<td>&nbsp;</td> 
</tr> 
<tr> 
<td>3</td> 
<td>王五</td> 
<td>&nbsp;</td> 
</tr> 
<tr> 
<td>4</td> 
<td>馬六</td> 
<td>&nbsp;</td> 
</tr> 
<tr> 
<td>5</td> 
<td>&nbsp;</td> 
<td>&nbsp;</td> 
</tr> 
<tr> 
<td>6</td> 
<td>&nbsp;</td> 
<td>&nbsp;</td> 
</tr> 
<tr> 
<td>7</td> 
<td>&nbsp;</td> 
<td>&nbsp;</td> 
</tr> 
<tr> 
<td>8</td> 
<td>&nbsp;</td> 
<td>&nbsp;</td> 
</tr> 
<tr> 
<td>9</td> 
<td>&nbsp;</td> 
<td>&nbsp;</td> 
</tr> 
<tr> 
<td>10</td> 
<td>&nbsp;</td> 
<td>&nbsp;</td> 
</tr> 
</table> 
<input type="hidden" name="prevTrIndex" id="prevTrIndex" value="-1" /> 
</form> 
<script type="text/javascript" src="http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js"></script> 
<script type="text/javascript" src="http://js-hotkeys.googlecode.com/files/jquery.hotkeys-0.7.9.min.js"></script> 
<script type="text/javascript"> 
$(document).ready(function(){ 
$("#prevTrIndex").val("-1");//默認(rèn)-1 
var trSize = $(".datagrid tr").size();//datagrid中tr的數(shù)量 

function clickTr(currTrIndex){ 
var prevTrIndex = $("#prevTrIndex").val(); 
if (currTrIndex > -1){ 
$("#tr_" + currTrIndex).addClass("over"); 
} 
$("#tr_" + prevTrIndex).removeClass("over"); 
$("#prevTrIndex").val(currTrIndex); 
} 

$(".datagrid tr").mouseover(function(){//鼠標(biāo)滑過 
$(this).addClass("over"); 
}).mouseout(function(){ //鼠標(biāo)滑出 
$(this).removeClass("over"); 
}).each(function(i){ //初始化 id 和 index 屬性 
$(this).attr("id", "tr_" + i).attr("index", i); 
}).click(function(){ //鼠標(biāo)單擊 
clickTr($(this).attr("index")); 
}).dblclick(function(){ //鼠標(biāo)雙擊 
$("#txt_no").val(($(this).find("td")[0]).innerHTML); 
}); 

$(".datagrid tr:even").addClass("alt"); //偶行變色 

$(document).bind('keydown', 'up', function(evt){ //↑ 
var prevTrIndex = parseInt($("#prevTrIndex").val()); 
if (prevTrIndex == -1 || prevTrIndex == 0){ 
clickTr(trSize - 1); 
} else if(prevTrIndex > 0){ 
clickTr(prevTrIndex - 1); 
} 
return false; 
}).bind('keydown', 'down', function(evt){ //↓ 
var prevTrIndex = parseInt($("#prevTrIndex").val()); 
if (prevTrIndex == -1 || prevTrIndex == (trSize - 1)){ 
clickTr(0); 
} else if (prevTrIndex < (trSize - 1)) { 
clickTr(prevTrIndex + 1); 
} 
return false; 
}).bind('keydown', 'return', function(evt){ //↙ 
var prevTrIndex = parseInt($("#prevTrIndex").val()); 
$("#txt_no").val(($("#tr_" + prevTrIndex).find("td")[0]).innerHTML); 
return false; 
}); 
clickTr(0); 
}) 
</script> 
</body> 
</html>