邮票卡片报价
$leixing = $_POST[‘leixing’];
$chicun = $_POST[‘chicun’];
$shuliang = $_POST[‘shuliang’];
if($shuliang == “o”){
echo “数量不能为0″;
}elseif($shuliang == “”){
echo”数量不能为空”;
}else{
echo js($leixing,$chicun,$shuliang);
}
function js($l,$c,$s){
$price = ($l+$c)*$s;
echo “价格为:”.$price.”元”;
}