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Add a shopping cart in php and a shopping cart in php

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Author: User
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Add a shopping cart in php and a shopping cart in php

<! 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">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Title> untitled document </title>
</Head>

<Body>

<H1> item list 
<Table width = "100%" border = "1" cellpadding = "0" cellspacing = "0">
<Tr>
<Td> fruit Code </td>
<Td> fruit name </td>
<Td> fruit price </td>
<Td> fruit origin </td>
<Td> fruit stock </td>
<Td> operation </td>
</Tr>
    
<? Php
Session_start ();
Include ("../fengzhuang/DBDA. class. php ");
$ Db = new DBDA ();
   
$ SQL = "select * from fruit ";
$ Arr = $ db-> Query ($ SQL );
Foreach ($ arr as $ v)
{
Echo "<tr>
<Td >{$ v [0]} </td>
<Td >{$ v [1]} </td>
<Td >{$ v [2]} </td>
<Td >{$ v [3]} </td>
<Td >{$ v [4]} </td>
<Td> <a href = 'add. php? Ids = {$ v [0]} '> Add to shopping cart </a> </td>
</Tr> ";
}
?>
    
</Table>

<? Php
Var_dump ($ _ SESSION ["gwc"]);
?>


</Body>
</Html>




<! 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">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Title> untitled document </title>
</Head>

<Body>
<H1> shopping cart details 
<Table width = "100%" border = "1" cellpadding = "0" cellspacing = "0">
<Tr>
<Td> fruit Code </td>
<Td> quantity bought </td>
<Td> operation </td>
</Tr>
    
<? Php
Session_start ();
   
$ Arr = array ();
If (! Empty ($ _ SESSION ["gwc"])
{
$ Arr = $ _ SESSION ["gwc"];
}
   
Foreach ($ arr as $ v)
{
Echo "<tr>
<Td >{$ v [0]} </td>
<Td >{$ v [1]} </td>
<Td> </td>
</Tr> ";
}
?>
    
</Table>

</Body>
</Html>




<? Php
Session_start ();

$ Ids = $ _ GET ["ids"];

/* $ Arr = array (
Array ("k001", 10 ),
Array ("k002", 2 ),
Array ("k003", 5)
);*/

// 1. Click Add shopping cart for the first time
// 2. If this item is not found in the shopping cart
// 3. If this item exists in the shopping cart

If (empty ($ _ SESSION ["gwc"])
{
// 1. Click Add shopping cart for the first time
$ Arr = array (
Array ($ ids, 1)
);
$ _ SESSION ["gwc"] = $ arr;
}
Else
{
// Not the first click
// Determine whether the product exists in the shopping cart
$ Arr = $ _ SESSION ["gwc"];
   
$ Chuxian = false;
Foreach ($ arr as $ v)
{
If ($ v [0] = $ ids)
{
$ Chuxian = true;
}
}
   
If ($ chuxian)
{
// 3. If this item exists in the shopping cart
/* Foreach ($ arr as $ v)
{
If ($ v [0] = $ ids)
{
$ V [1] = $ v [1] + 1;
}
}*/
      
For ($ I = 0; $ I <count ($ arr); $ I ++)
{
If ($ arr [$ I] [0] = $ ids)
{
$ Arr [$ I] [1] + = 1;
}
}
      
$ _ SESSION ["gwc"] = $ arr;
}
Else
{
// 2. If this item is not found in the shopping cart
$ Asg = array ($ ids, 1 );
$ Arr [] = $ asg;
$ _ SESSION ["gwc"] = $ arr;
}
   
}

Header ("location: main. php ");

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Related Keywords:
simple shopping cart in php source code shopping cart in php source code php shopping cart class php shopping cart github php shopping cart array php shopping cart session php shopping cart tutorial

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