php 网页游戏开发入门知识

 
class Map//地图类 
{ 
var $Map_ID; 
function Map_bg_css($Map_ID) { 

$this->Map_ID = $Map_ID; 

mysql_select_db($db_name,$link); 
$sql="select * from map where Map_ID='".$this->Map_ID."' limit 1"; 
$result=mysql_query($sql,$link); 
echo "