给你个类。估计发上去中文注释又没有了。如果没有了来信要。[email protected]又说太上,分成两个帖子了。<?php
//¶¨Òå±¾Îļþ³£Á¿
define("_CART_INC_" , "exists") ; class shoppingcart
{ var $SortCount; //ÉÌÆ·ÖÖÀàÊý
var $TotalCost; //ÉÌÆ·×ܼÛÖµ var $Id; //ÿÀàÉÌÆ·µÄID£¨Êý×飩
var $Name; //ÿÀàÉÌÆ·µÄÃû³Æ£¨Êý×飩
var $Price; //ÿÀàÉÌÆ·µÄ¼Û¸ñ£¨Êý×飩
var $Discount; //ÉÌÆ·µÄÕÛ¿Û£¨Êý×飩
var $GoodPrice ; //ÉÌÆ·µÄÓŻݼ۸ñ£¨Êý×飩
var $Count; //ÿÀàÉÌÆ·µÄ¼þÊý£¨Êý×飩
var $MaxCount ; //ÉÌÆ·ÏÞÁ¿£¨Êý×飩 //******¹¹Ô캯Êý
function TCart()
{
$this->SortCount=0; session_start(); //³õʼ»¯Ò»¸ösession
session_register('sId');
session_register('sName');
session_register('sPrice');
session_register('sDiscount');
session_register('sGoodPrice') ;
session_register('sCount') ;
session_register('sMaxCount') ; $this->Update();
$this->Calculate();
} //********˽ÓУ¬¸ù¾ÝsessionµÄÖµ¸üÐÂÀàÖÐÏàÓ¦Êý¾Ý
function Update()
{
global $sId,$sName,$sPrice,$sCount,$sDiscount,$sMaxCount,$sGoodPrice; if(!isset($sId) or !isset($sName) or !isset($sPrice)
or !isset($sDiscount) or !isset($sMaxCount)
or !isset($sGoodPrice) or !isset($sCount)) return; $this->Id =$sId;
$this->Name =$sName;
$this->Price =$sPrice;
$this->Count =$sCount;
$this->Discount = $sDiscount ;
$this->GoodPrice = $sGoodPrice ;
$this->MaxCount = $sMaxCount ; //¼ÆËãÉÌÆ·×ÜÊý
$this->SortCount=count($sId); } //********˽ÓУ¬¸ù¾ÝеÄÊý¾Ý¼ÆËãÿÀàÉÌÆ·µÄ¼ÛÖµ¼°È«²¿ÉÌÆ·µÄ×ܼÛ
function Calculate()
{
for($i=0;$i<$this->SortCount;$i++)
{
/*¼ÆËãÿ¼þÉÌÆ·µÄ¼ÛÖµ£¬Èç¹ûÕÛ¿ÛÊÇ0 £¬ÔòΪÓŻݼ۸ñ*/
$GiftPrice = ($this->Discount[$i] == 0 ? $this->GoodPrice :
ceil($this->Price[$i] * $this->Discount[$i])/100 );
$this->TotalCost += $GiftPrice * $this->Count[$i] ;
}
} //********˽ÓУ¬É¾³ýÉÌÆ·µÄÊý×é
function delmember($p_array, $id)
{
$size = count($p_array);
for($i = 0; $i < $size - $id - 1; $i ++)
{
$p_array[$id + $i] = $p_array[$id + $i + 1];
}
unset($p_array[$size - 1]);
}
//**************ÒÔÏÂΪ½Ó¿Úº¯Êý //*** ¼ÓÒ»¼þÉÌÆ·
// ÅжÏÊÇ·ñÀ¶ÖÐÒÑÓУ¬ÈçÓУ¬¼Ócount£¬·ñÔò¼ÓÒ»¸öÐÂÉÌÆ·
//Ê×Ïȶ¼ÊǸÄsessionµÄÖµ£¬È»ºóÔÙµ÷ÓÃupdate() and calculate()À´¸üгÉÔ±±äÁ¿
function Add($a_ID , $a_Name , $a_Price , $a_Discount ,
$a_GoodPrice , $a_MaxCount , $a_Count)
{
global $sId , $sName , $sCount , $sPrice , $sDiscount ,
$sGoodPrice , $sMaxCount ; $k=count($sId);
for ($i=0; $i<$k; $i++)
{ //ÏÈÕÒÒ»ÏÂÊÇ·ñÒѾ­¼ÓÈëÁËÕâÖÖÉÌÆ·
if($sId[$i]==$a_ID)
{
$sCount[$i] += $a_Count ;
break;
}
}
if($i >= $k)
{ //ûÓÐÔò¼ÓÒ»¸öÐÂÉÌÆ·ÖÖÀà
$sId[] = $a_ID;
$sName[] = $a_Name;
$sPrice[] = $a_Price;
$sCount[] = $a_Count;
$sGoodPrice[] = $a_GoodPrice ;
$sDiscount[] = $a_Discount ;
$sMaxCount[] = $a_MaxCount ;
} $this->Update(); //¸üÐÂÒ»ÏÂÀàµÄ³ÉÔ±Êý¾Ý
$this->Calculate();
}
//¶¨Òå±¾Îļþ³£Á¿
define("_CART_INC_" , "exists") ; class shoppingcart
{ var $SortCount; //ÉÌÆ·ÖÖÀàÊý
var $TotalCost; //ÉÌÆ·×ܼÛÖµ var $Id; //ÿÀàÉÌÆ·µÄID£¨Êý×飩
var $Name; //ÿÀàÉÌÆ·µÄÃû³Æ£¨Êý×飩
var $Price; //ÿÀàÉÌÆ·µÄ¼Û¸ñ£¨Êý×飩
var $Discount; //ÉÌÆ·µÄÕÛ¿Û£¨Êý×飩
var $GoodPrice ; //ÉÌÆ·µÄÓŻݼ۸ñ£¨Êý×飩
var $Count; //ÿÀàÉÌÆ·µÄ¼þÊý£¨Êý×飩
var $MaxCount ; //ÉÌÆ·ÏÞÁ¿£¨Êý×飩 //******¹¹Ô캯Êý
function TCart()
{
$this->SortCount=0; session_start(); //³õʼ»¯Ò»¸ösession
session_register('sId');
session_register('sName');
session_register('sPrice');
session_register('sDiscount');
session_register('sGoodPrice') ;
session_register('sCount') ;
session_register('sMaxCount') ; $this->Update();
$this->Calculate();
} //********˽ÓУ¬¸ù¾ÝsessionµÄÖµ¸üÐÂÀàÖÐÏàÓ¦Êý¾Ý
function Update()
{
global $sId,$sName,$sPrice,$sCount,$sDiscount,$sMaxCount,$sGoodPrice; if(!isset($sId) or !isset($sName) or !isset($sPrice)
or !isset($sDiscount) or !isset($sMaxCount)
or !isset($sGoodPrice) or !isset($sCount)) return; $this->Id =$sId;
$this->Name =$sName;
$this->Price =$sPrice;
$this->Count =$sCount;
$this->Discount = $sDiscount ;
$this->GoodPrice = $sGoodPrice ;
$this->MaxCount = $sMaxCount ; //¼ÆËãÉÌÆ·×ÜÊý
$this->SortCount=count($sId); } //********˽ÓУ¬¸ù¾ÝеÄÊý¾Ý¼ÆËãÿÀàÉÌÆ·µÄ¼ÛÖµ¼°È«²¿ÉÌÆ·µÄ×ܼÛ
function Calculate()
{
for($i=0;$i<$this->SortCount;$i++)
{
/*¼ÆËãÿ¼þÉÌÆ·µÄ¼ÛÖµ£¬Èç¹ûÕÛ¿ÛÊÇ0 £¬ÔòΪÓŻݼ۸ñ*/
$GiftPrice = ($this->Discount[$i] == 0 ? $this->GoodPrice :
ceil($this->Price[$i] * $this->Discount[$i])/100 );
$this->TotalCost += $GiftPrice * $this->Count[$i] ;
}
} //********˽ÓУ¬É¾³ýÉÌÆ·µÄÊý×é
function delmember($p_array, $id)
{
$size = count($p_array);
for($i = 0; $i < $size - $id - 1; $i ++)
{
$p_array[$id + $i] = $p_array[$id + $i + 1];
}
unset($p_array[$size - 1]);
}
//**************ÒÔÏÂΪ½Ó¿Úº¯Êý //*** ¼ÓÒ»¼þÉÌÆ·
// ÅжÏÊÇ·ñÀ¶ÖÐÒÑÓУ¬ÈçÓУ¬¼Ócount£¬·ñÔò¼ÓÒ»¸öÐÂÉÌÆ·
//Ê×Ïȶ¼ÊǸÄsessionµÄÖµ£¬È»ºóÔÙµ÷ÓÃupdate() and calculate()À´¸üгÉÔ±±äÁ¿
function Add($a_ID , $a_Name , $a_Price , $a_Discount ,
$a_GoodPrice , $a_MaxCount , $a_Count)
{
global $sId , $sName , $sCount , $sPrice , $sDiscount ,
$sGoodPrice , $sMaxCount ; $k=count($sId);
for ($i=0; $i<$k; $i++)
{ //ÏÈÕÒÒ»ÏÂÊÇ·ñÒѾ­¼ÓÈëÁËÕâÖÖÉÌÆ·
if($sId[$i]==$a_ID)
{
$sCount[$i] += $a_Count ;
break;
}
}
if($i >= $k)
{ //ûÓÐÔò¼ÓÒ»¸öÐÂÉÌÆ·ÖÖÀà
$sId[] = $a_ID;
$sName[] = $a_Name;
$sPrice[] = $a_Price;
$sCount[] = $a_Count;
$sGoodPrice[] = $a_GoodPrice ;
$sDiscount[] = $a_Discount ;
$sMaxCount[] = $a_MaxCount ;
} $this->Update(); //¸üÐÂÒ»ÏÂÀàµÄ³ÉÔ±Êý¾Ý
$this->Calculate();
}
function Remove($a_ID)
{
global $sId , $sName , $sCount , $sPrice , $sDiscount ,
$sGoodPrice , $sMaxCount ; $k = count($sId);
for($i=0; $i < $k; $i++)
{
if($sId[$i] == $a_ID)
{
$sCount[$i] = 0 ;
$this->delmember($sId,$i);
$this->delmember($sName,$i);
$this->delmember($sPrice,$i);
$this->delmember($sCount,$i);
$this->delmember($sGoodPrice,$i);
$this->delmember($sDiscount,$i);
$this->delmember($sMaxCount,$i);
$this->SortCount=count($sId);
// echo count($sId);
$this->Update();
$this->Calculate();
break;
}
} } //¸Ä±äÉÌÆ·µÄ¸öÊý
function ModifyCount($a_i,$a_Count)
{
global $sCount; $sCount[$a_i] = $a_Count ;
$this->Update();
$this->Calculate();
}
/***************************
Çå¿ÕËùÓеÄÉÌÆ·
*****************************/
function RemoveAll()
{
session_unregister('sId');
session_unregister('sName');
session_unregister('sPrice');
session_unregister('sDiscount');
session_unregister('sGoodPrice') ;
session_unregister('sCount') ;
session_unregister('sMaxCount') ;
$this->SortCount = 0 ;
$this->TotalCost = 0 ;
}
//ÊÇ·ñij¼þÉÌÆ·ÒÑÔÚÀ¶ÄÚ£¬²ÎÊýΪ´ËÉÌÆ·µÄID
function Exists($a_ID)
{
for($i=0; $i<$this->SortCount; $i++)
{
if($this->Id[$i]==$a_ID) return TRUE;
}
return FALSE;
} //ij¼þÉÌÆ·ÔÚÀ¶ÄÚµÄλÖÃ
function IndexOf($a_ID)
{
for($i=0; $i<$this->SortCount; $i++)
{
if($this->Id[$i]==$a_ID) return $i;
}
return 0;
} //È¡Ò»¼þÉÌÆ·µÄÐÅÏ¢£¬Ö÷ÒªµÄ¹¤×÷º¯Êý
//·µ»ØÒ»¸ö¹ØÁªÊý×飬
function Item($i)
{
$Result[id] = $this->Id[$i];
$Result[name] = $this->Name[$i];
$Result[price] = $this->Price[$i];
$Result[count] = $this->Count[$i];
$Result[discount] = $this->Discount[$i] ;
$Result[goodprice] = $this->GoodPrice[$i] ;
$Result[maxcount] = $this->MaxCount[$i] ;
return $Result;
} //È¡×ܵÄÉÌÆ·ÖÖÀàÊý
function CartCount()
{
return $this->SortCount;
} //È¡×ܵÄÉÌÆ·¼ÛÖµ
function GetTotalCost()
{
return $this->TotalCost;
}
}
?>
这里有一篇文章专门讲这个,不过是英文的.
在<php高级编程>附录里,有该文的翻译版.
http://phpuser.com/articles_and_tutorials/article.php?id=87
http://phpuser.com/articles_and_tutorials/article.php?id=88
有写好的吗?我想要份现成的。
有修改商品数量,删除商品,计算价格,等等。功能全一些。
就和现在一般的网上商城一样的功能。
其实我也不是懒,....只是觉得麻烦。
谁要是有写好的,发我一份吧,就省事了。我一定给他100分的。[email protected]
谢了!!!