Php shopping cart complete implementation code _ PHP Tutorial

Complete php shopping cart implementation code. 1. the Copy code on the product display page is as follows: tablecellspacing0cellpadding0trtdrowspan6divaligncenter? Phpif (trim ($ info [tu 1. product display page

The code is as follows:

If (trim ($ info [tupian] = "")) { Echo "no image "; } Else { ?> "Width =" 130 "height =" 100 "border =" 0 "> } ?>		【 ]
		[Market price: ]
		[Member price: ]
		["> View information]
		["> Add to shopping cart]
		[Remaining quantity: If ($ info [shuliang]-$ info [cishu])> 0) { Echo ($ info [shuliang]-$ info [cishu]); } Else { Echo "sold out "; } ?>]

}
?>

2. file addgouwuche. php

The code is as follows:

Session_start ();
Include ("conn. php ");

If ($ _ SESSION [username] = "")
{
Echo "script" alert ('Please log on first and then shop! '); History. back (); script ";
Exit;
}
$ Id = strval ($ _ GET [id]);
$ SQL = mysql_query ("select * from shangpin where id = '". $ id. "'", $ conn );
$ Info = mysql_fetch_array ($ SQL );
If ($ info [shuliang] <= 0)
{
Echo "script" alert ('This item has been sold out! '); History. back (); script ";
Exit;
}
$ Array = explode ("@", $ _ SESSION [producelist]);
For ($ I = 0; $ I {
If ($ array [$ I] ==$ id)
{
Echo "script" alert ('This item is already in your shopping cart! '); History. back (); script ";
Exit;
}
}
$ _ SESSION [producelist] =_ _ SESSION [producelist]. $ id ."@";
$ _ SESSION [quatity] =_ _ SESSION [quatity]. "1 @";

Header ("location: gouwu1.php ");
?>

3. file gouwu1.php

The code is as follows:

Session_start ();
If ($ _ SESSION [username] = "")
{
Echo "script" alert ('Please log on first and then shop! '); History. back (); script ";
Exit;
}
?>
Include ("top. php ");
?>

3. file gouwu2.php

The code is as follows:

Receiver information