jQuery实现的复选框全选/取消全选/反选及获得选择的值。
完整代码：
<!DOCTYPE html> <html>
<head>
<script type="text/javascript" src="../js/jquery-1.9.1.js"></script>
<script type="text/javascript">
$(document).ready(function() {
// 全选/取消全部
$("#checkAllChange").click(function() {
if (this.checked == true) {
$(".userid").each(function() {
this.checked = true;
});
} else {
$(".userid").each(function() {
this.checked = false;
});
} // www.jbxue.com
});
// 全选
$("#checkAll").click(function() {
$(".userid").each(function() {
this.checked = true;
});
});
// 取消全部
$("#removeAll").click(function() {
$(".userid").each(function() {
this.checked = false;
});
});
// 反选
$("#reverse").click(function() {
$(".userid").each(function() {
if (this.checked == true) {
this.checked = false;
} else {
this.checked = true;
}
})
});
//批量删除
$("#delAll").click(function() {
var arrUserid = new Array();
$(".userid").each(function(i) {
if (this.checked == true) {
arrUserid[i] = $(this).val();
}
});
alert("批量删除的:" + arrUserid);
});
});
</script>
</head> <body>
<table border="1">
<tr>
<td><input type="checkbox" id="checkAllChange" /></td>
<td>用户id</td>
<td>用户名</td>
<td>电话</td>
<td>地址</td>
</tr>
<tr>
<td><input type="checkbox" class="userid" value="1" /></td>
<td>1</td>
<td>wangzs1</td>
<td>18888000</td>
<td>浦东</td>
</tr>
<tr>
<td><input type="checkbox" class="userid" value="2" /></td>
<td>2</td>
<td>wangzs2</td>
<td>18888001</td>
<td>上海</td>
</tr>
<tr>
<td><input type="checkbox" class="userid" value="3" /></td>
<td>3</td>
<td>wangzs3</td>
<td>18888002</td>
<td>河南</td>
</tr>
<tr>
<td><input type="checkbox" class="userid" value="4" /></td>
<td>4</td>
<td>wangzs4</td>
<td>18888003</td>
<td>许昌</td>
</tr>
<tr>
<td></td>
<td><input type="button" id="checkAll" value="全选" /></td>
<td><input type="button" id="removeAll" value="取消全部" /></td>
<td><input type="button" id="reverse" value="反选" /></td>
</tr>
<tr>
<td colspan="4" align="center"><input type="button" value="批量删除" id="delAll"></td>
</tr>
</table>
</body>
</html>