<?php
session_start();
?>
<!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">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<head>
<title>jQuery实现购物车多物品数量的加减+总价+删除计算</title>
<script type="text/javascript" src="jquery-1.8.3.min.js"></script>
<script>
$(function(){
var _url = $('#siteurl').val();
$('.delete').click(function(){
var t=$(this).parent('td').parent('tr');
var tt=$(this).parent('td').find('input[class*=text_box]');
tt.val(0); setTotal();
t.hide();
}); $(".add").click(function(){
var t=$(this).parent('td').find('input[class*=text_box]');
t.val(parseInt(t.val())+1);
setTotal();
}); $(".min").click(function(){
var t=$(this).parent('td').find('input[class*=text_box]');
t.val(parseInt(t.val())-1)
if(parseInt(t.val())<1){
t.val(1);
} setTotal();
}); $('.text_box').keyup(function(){
setTotal();
}); function setTotal(){
var s=0;
$("#tab td").each(function(){
var numbers = parseInt($(this).find('input[class*=text_box]').val());
if($.isNumeric(numbers))
{
numbers = parseInt(numbers);
}else
{
numbers = 0;
}
$(this).find('input[class*=text_box]').val(numbers);
s += numbers*parseFloat($(this).find('span[class*=price]').text()); // bof 用ajax在_url中删除指定的购物车中$_SESSION相关信息
var pid =$(this).find('input[class*=product_id]');
$.ajax({
url:_url,
type: 'post',
data:{proid : pid.val()},
success: function(data){
// 回应
}
});
// end
});
$("#total").html(s.toFixed(2));
}
// setTotal(); });
</script>
</head>
<body>
<form action="./myform.php" method="post">
<input type="hidden" name="siteUrl" id="siteurl" value="siteUrl.php" />
<table id="tab">
<tr>
<td>
<span>单价:</span><span class="price">1.50</span>
<input class="product_id" type="hidden" name="product_id" value="value" />
<input class="min" name="" type="button" value="-" />
<input class="text_box" name="name2" type="text" value="1" />
<input class="add" name="" type="button" value="+" />
<a href="javascript:void(0);" class="delete">删除</a>
</td>
</tr>
<tr>
<td>
<span>单价:</span><span class="price">3.95</span>
<input class="min" name="" type="button" value="-" />
<input class="text_box" name="name1" type="text" value="1" />
<input class="add" name="" type="button" value="+" />
<a href="javascript:void(0);" class="delete">删除</a>
</td>
</tr>
</table>
<input type="submit" name="submit" value="submit" />
</form>
总价：<label id="total"></label>
<div id="product_id_value"><?php print_r($_SESSION); ?></div>
</body>
</html>