Add shopping items with PHP, PHP add shopping items _php Tutorial

Add a shopping item in PHP, add a shopping item to PHP

 1 
    php 
 2 Session_Start(); 3 Header("content-type:text/html; Charset=utf-8 ");//set file encoding format4 require("system/system.inc.php");//include configuration Files5 /**6 * 1 indicates successful addition7 * 2 indicates that the user is not logged in8 * 3 indicates that the product has been added9 * 4 Indicates an error occurred while addingTen * 5 means no product added One */ A $reback= ' 0 '; - if(Empty($_session[' member '])) {//determine if the user is logged in -     $reback= ' 2 ';//No, return 2 . the}Else{ -     $key=$_get[' Key '];//determine if the user has added a product -     if($key== ''){//determine if the user has added a product, if it is empty, it means there is no product. -         $reback= ' 5 ';//return value +}Else{     -         $boo=false;//define if the product has not been added +         $sqls= "Select id,shopping from tb_user where name = '".$_session[' member ']. "'";  A         $shopcont=$admindb->execsql ($sqls,$conn); at         if(!Empty($shopcont[0] [' Shopping '])) {//Shopping is a three-dimensional array, with empty to determine whether the product is empty -             $arr=Explode('@',$shopcont[0] [' shopping ']);//The @ Split array is the value of each item -             foreach($arr  as $value){//foreach extracts the value of each array -                 $arrtmp=Explode(',',$value);//using explode to divide the information of a product's body -                 if($key==$arrtmp[0]) {//if the added item equals the added item -                     $reback= ' 3 ';//then the return value means that you have added in                     $boo=true;  -                      Break; to                 } +             } -             if($boo==false){//method One Add Item the                 $shopcont[0] [' shopping ']. = ' @ '.$key. ', 1 ';  *                 $update= "Update tb_user set shopping= '".$shopcont[0] [' Shopping ']. "' WHERE name = ' ".$_session[' member ']. "'"; $                 $shop=$admindb->execsql ($update,$conn);Panax Notoginseng                 if($shop){ -                     $reback= 1; the}Else{ +                     $reback= ' 4 '; A                 } the             } +}Else{ -             $arrtmp=$key. ", 1";//method Two Add a product $             $updates= "Update tb_user set shopping= '".$arrtmp. "' WHERE name = '".$_session[' member ']. "'"; $             $result=$admindb->execsql ($updates,$conn); -             if($result){ -                 $reback= 1; the}Else{ -                 $reback= ' 4 ';Wuyi             } the         } -     } Wu } - Echo $reback; About?>

How does the PHP shopping site add items in the background and display them in the foreground?

You can use the PHP online program, you can also write your own!

If you use the shop program, look at the relevant background instructions. Actually, it's very simple.

If you have the ability to write, you can write your own, easy.

How to prevent refresh browser shopping cart in the number of items automatically add 1,php do shopping site

Asynchronous commit with Ajax, it's all done ... AddToCart ();

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