用JQuery實現全選與反選功能。不過下面代碼中實現的反選功能對全選有影響，尚未找到解決辦法，如下圖：
代碼：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<script type="text/javascript" src="../js/jquery-1.8.2.js"></script>
</head>
<body>
<table border="1" align="center">
<tr>
<th>狀態</th>
<th>用戶名</th>
</tr>
<tr>
<td><input type="checkbox"/></td>
<td>趙</td>
</tr>
<tr>
<td><input type="checkbox"/></td>
<td>錢</td>
</tr>
<tr>
<td><input type="checkbox"/></td>
<td>孫</td>
</tr>
<tr>
<td><input type="checkbox"/></td>
<td>李</td>
</tr>
<tr>
<td><input type="checkbox"/></td>
<td>周</td>
</tr>
<tr>
<td>
<input type="checkbox"/>全選
</td>
<td><input type="button" value="全反選"/></td>
</tr>
</table>
<script type="text/javascript">
$(":checkbox:last").click(function(){
//全選
if($(":checkbox:last").is(":checked")){
$(":checkbox:not(:last)").attr("checked","checked");
}else{
$(":checkbox:not(:last)").removeAttr("checked","checked");
}
});
//反選
$(":button").click(function(){
//方式一
$(":checkbox").not(":checkbox:last").each(function(){
if($(this).is(":checked")){
$(this) .removeAttr("checked","checked");
}else{
$(this).attr("checked","checked");
}
});
/*
//方式二
//將已經選中的複選框失效
$(":checkbox:checked").attr("disabled","disabled");
//將剩下的未選中的複選框選中
$(":checkbox:not(:checked)").attr("checked","checked");
//將失效的複選框生效
$(":checkbox:disabled").removeAttr("disabled","disabled").removeAttr("checked","checked");
*/
});
</script>
</body>
</html>
