php购物车实例

这里又提供一款php购物车实例代码,这是一款适合种位要开发商城或购物系统参考的开发实例了,告诉你如果增加商品到购物并删除,与购物车的数据库设计实例.

inventory表,代码如下:

create table inventory (  
  product tinytext not null,  
  quantity tinytext not null,  
  id int(4) default '0' not null auto_increment,  
  description tinytext not null,  
  price float(10,2) default '0.00' not null,  
  category char(1) default '' not null,  
  key id (id),  
  primary key (id),  
  key price (price)  
); 
insert into inventory values ('硬盘','5','1','80g','5600','1'); 
insert into inventory values ('cpu','12','2','p4-2.4g','6600','1'); 
insert into inventory values ('dvd-rom','7','3','12x','2000','1'); 
insert into inventory values ('主板','3','4','asus','5000','2'); 
insert into inventory values ('显示卡','6','5','64m','4500','1'); 
insert into inventory values ('刻录机','4','6','52w','3000','1'); 
shoping表
create table shopping (  
  session tinytext not null,  
  product tinytext not null,  
  quantity tinytext not null,  
  card tinytext not null,  
  id int(4) default '0' not null auto_increment,  
  key id (id),  
  primary key (id)  
); 
shoper表
create database shopper; 
use shopper; 
create table shopping (  
  session tinytext not null,  
  product tinytext not null,  
  quantity tinytext not null,  
  card tinytext not null,  
  id int(4) default '0' not null auto_increment,  
  key id (id),  
  primary key (id)  
);  
create table inventory (  
  product tinytext not null,  
  quantity tinytext not null,  
  id int(4) default '0' not null auto_increment,  
  description tinytext not null,  
  price float(10,2) default '0.00' not null,  
  category char(1) default '' not null,  
  key id (id),  
  primary key (id),  
  key price (price)  
); 
insert into inventory values ('硬盘','5','1','80g','5600','1'); 
insert into inventory values ('cpu','12','2','p4-2.4g','6600','1'); 
insert into inventory values ('dvd-rom','7','3','12x','2000','1'); 
insert into inventory values ('主板','3','4','asus','5000','2'); 
insert into inventory values ('显示卡','6','5','64m','4500','1'); 
insert into inventory values ('刻录机','4','6','52w','3000','1');

main.php购物页面,代码如下:

/*mysql --user=root --password=your_password */ 

include("shoppingcart.php");  
$cart = new cart; 
$table="shopping"; 
 
/* 查询并显示所有存货表中的信息 */ 
$query = "select * from inventory"; 
$invresult = mysql_query($query);  
if (!($invresult)) {  
   echo "查询失败
"; 
   exit; 
}  
echo "以下产品可供订购∶"; 
echo ""; 
echo ""; 
echo ""; 
while($row_inventory = mysql_fetch_object($invresult)) { 
echo "";  
echo "";  
echo "";  
echo "";  
echo ""; 
echo "";  
} 
echo "
产品编号
产品名称
单价
剩余数量
产品描述
放入购物车
".$row_inventory->id."
".$row_inventory->product."
".$row_inventory->price."
".$row_inventory->quantity."
".$row_inventory->description."
"; 
echo "
购物车中产品的数量∶".$cart->quant_items($table, $session); 
echo "

清空购物车"; 
 
 
 //shoppingcart.php代码 
 
 "; 
   exit; 
}  
$mysql_select=mysql_select_db("shopper", $mysql_link); 
if (!($mysql_select)) {  
   echo "打开数据库失败
"; 
   exit; 
}  
 
/* 购物车 class */ 
 
   class cart {  
function check_item($table, $session, $product) {  
$query = "select * from $table where session='$session' and product='$product' ";  
$result = mysql_query($query);  
  
if(!$result) {  
return 0;  
}  
$numrows = mysql_num_rows($result);  
if($numrows == 0) {  
return 0;  
} else {  
$row = mysql_fetch_object($result);  
return $row->quantity;  
}  
} 
 
function add_item($table, $session, $product, $quantity) {  
$qty = $this->check_item($table, $session, $product);  
if($qty == 0) {  
$query = "insert into $table (session, product, quantity) values ";  
$query .= "('$session', '$product', '$quantity') ";  
mysql_query($query);  
} else {  
$quantity += $qty;  
$query = "update $table set quantity='$quantity' where session='$session' and ";  
$query .= "product='$product' ";  
mysql_query($query); 
}  
}  
  
function delete_item($table, $session, $product) {  
$query = "delete from $table where session='$session' and product='$product' ";  
mysql_query($query);  
}  
  
function modify_quantity($table, $session, $product, $quantity) {  
$query = "update $table set quantity='$quantity' where session='$session' ";  
$query .= "and product='$product' ";  
mysql_query($query);  
}  
  
function clear_cart($table, $session) {  
$query = "delete from $table where session='$session' ";  
mysql_query($query);  
}  
  
function cart_total($table, $session) {  
$query = "select * from $table where session='$session' ";  
$result = mysql_query($query);  
if(mysql_num_rows($result) > 0) {  
while($row = mysql_fetch_object($result)) {  
$query = "select price from inventory where product='$row->product' ";  
$invresult = mysql_query($query);  
$row_price = mysql_fetch_object($invresult);  
$total += ($row_price->price * $row->quantity);  
}  
}  
return $total;  
}  
  
 
 
$count++;  
}  
echo ""; 
$total = $this->cart_total($table, $session);  
$contents["final"] = $total;  
return $contents;  
}  
  
function num_items($table, $session) {  
$query = "select * from $table where session='$session' ";  
$result = mysql_query($query);  
$num_rows = mysql_num_rows($result);  
return $num_rows;  
}  
  
function quant_items($table, $session) {  
$quant = 0;  
$query = "select * from $table where session='$session' ";  
$result = mysql_query($query);  
while($row = mysql_fetch_object($result)) {  
$quant += $row->quantity;  
}  
return $quant;  
}  
} 
//增加到购物车 
include("shoppingcart.php"); 
$cart = new cart; 
$table="shopping"; 
echo "你的购物清单∶
"; 
$cart->add_item($table,$session,$product,'1'); 
$cart->display_contents($table, $session); 
echo "
你的购物总金额∶".$cart->cart_total($table, $session); 
echo "
"; 
echo ""; 
echo "
";
//清空购物车 
include("shoppingcart.php"); 
$cart = new cart; 
$table="shopping"; 
$cart->clear_cart($table, $session); 
echo "购物车中产品的数量∶".$cart->num_items($table, $session); 
echo "
"; 
echo ""; 
echo "
";

vue2.0实现的购物车功能

vue2.0实现的购物车功能

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