jquery实现勾选复选框触发事件给input赋值

代码如下:


<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<title>jquery点击复选框触发事件给input赋值-柯乐义</title><base target="_blank" />

<style type="text/css">

* {

margin: 0;

padding: 0;

list-style-type: none;

}

a, img {

border: 0;

text-decoration: none;

}

body {

font: 12px/180% Arial, Helvetica, sans-serif, "新宋体";

}

table {

empty-cells: show;

border-collapse: collapse;

border-spacing: 0;

}

/* tablist */

.tablist {

width: 400px;

border: solid 8px #ddd;

margin: 40px auto;

}

.tablist td {

line-height: 24px;

border-bottom: solid 1px #ddd;

text-align: left;

padding: 10px;

}

.tablist td input {

line-height: 20px;

margin-left: 5px;

}

.tablist td .txtValue

{

padding: 3px 0;

width: 180px;

}

</style>

</head>

<body>

<table cellpadding="0" cellspacing="0" class="tablist">

<tr>

<td><input class="txtValue" type="text" name="keleyi" value="" />&nbsp;&nbsp;<input type="checkbox" data-type="checkall" />全选</td>

</tr>

<tr>

<td>

<input type="checkbox" name="keleyi" data-type="checkbox" data-value="张三" value="1" />张三

<input type="checkbox" name="keleyi" data-type="checkbox" data-value="李四" value="2" />李四

<input type="checkbox" name="keleyi" data-type="checkbox" data-value="柯乐义" value="3" />柯乐义

<input type="checkbox" name="keleyi" data-type="checkbox" data-value="赵六" value="4" />赵六

</td>

</tr>

</table>

<script type="text/javascript" src="jquery/jquery-1.11.2.min.js"></script>

<script type="text/javascript">

$(function(){

$('[data-type="checkbox"]').click(function(){

var data_value = $(this).attr('data-value'),

txtalso = $.trim($(".txtValue").val());

if($(this).prop("checked")) {

if(txtalso.length > 0) {

if(txtalso.indexOf(data_value+',') != -1) {

return ;

} else {

txtalso += data_value + ',';

}

} else {

txtalso = data_value+',';

}

} else {

if(txtalso.indexOf(data_value+',') != -1) {

txtalso = txtalso.replace(data_value+',', '');

}

}

$(".txtValue").val(txtalso);

});

$('[data-type="checkall"]').click(function(){

var str = '';

if($(this).prop("checked")) {

$.each($('[data-type="checkbox"]'), function(i){

str += $(this).attr('data-value') + ',';

});

$('[data-type="checkbox"]').prop('checked', true);

} else {

$('[data-type="checkbox"]').prop('checked', false);

}

$(".txtValue").val(str);

});

});

</script>

</body>

</html>

以上就是本代码的全部了,小伙伴们自由扩展,美化,希望大家能够喜欢。