PHP购物车

时间:2014-07-22 14:52来源: 作者: 点击: 次

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<无详细内容>

<?php session_start();
 $conn=mysql_connect("localhost","root","admin");
 mysql_select_db("songyu");
 //检查数组元素出现次数
 function check_count($array,$element)
 {
 	$times=0;
 	for($i=0;$i<count($array);$i++)
 	{
 		if($element==$array[$i])
 		{
 			$times++;
 		}
 	}
 	return $times;
 }
if(isset($_GET["p_id"]))
{
	$p_id=$_GET["p_id"];
}

$total_price=0;
	array_push($_SESSION["cart"], $p_id);
	
	$cart=$_SESSION["cart"];
	echo "your cart:<br/>";
	$new_array=array_count_values($cart);
	foreach ($new_array as $key => $value) 
	{
		$sql="select * from product where id='".$key."'";
	    $result=mysql_query($sql);
	    $out=mysql_fetch_array($result);
	    echo $out[name]."---个数:".$value."--".($out[price]*$value)."<br/>";
	    $total_price=$total_price+($out[price]*$value);
	}
	echo "<br/><br/>";
	echo "-----------总价--------------<br/>";
	echo $total_price;
?>
<a href="product.php">回s</a>

2. [文件] login.php ~ 374B 下载(223) 跳至 [1] [2] [3] [4] [全屏预览]

<?php session_start();
if(isset($_SESSION["user"]))
{
	unset($_SESSION["user"]);
}
if(isset($_SESSION["cart"]))
{
	unset($_SESSION["cart"]);
}
?>
<form action="product_index.php" method="post">
  username:<input type="text" name="username"/><br/><br/>
  password:<input type="password" name="password"/><br/><br/>
  <input type="submit" name="submit"/>
</form>

3. [文件] product.php ~ 427B 下载(213) 跳至 [1] [2] [3] [4] [全屏预览]

<?php session_start();
 $conn=mysql_connect("localhost","root","admin");
 mysql_select_db("songyu");
$sql_product="select * from product";
 	$res=mysql_query($sql_product);
 	if(!isset($_SESSION["cart"]))
 	{
 		$_SESSION["cart"]=array();
 	}
 	while($out2=mysql_fetch_array($res))
 	{
 		echo "<a href='cart.php?p_id=".$out2[id]."'>".$out2[name]."</a><br/>";
 		echo $out2[price]."<br/>";
 		echo "<hr>";
 	}
?>

4. [文件] product_index.php ~ 424B 下载(225) 跳至 [1] [2] [3] [4] [全屏预览]

<?php session_start();
 $conn=mysql_connect("localhost","root","admin");
 mysql_select_db("songyu");
 $sql="select * from user where username='".$_POST["username"]."' and password='".$_POST["password"]."'";
 $result=mysql_query($sql);
 $out=mysql_fetch_array($result);
 if(!$out)
 {
 	echo "wrong!";
 }
 else
 {
 	$_SESSION["user"]=$out[id];
 	echo "<script>window.location.href='product.php'</script>";
 }
?>