解析link_mysql的php版_PHP教程

?>

function link_mysql($opt,$str_sql)
{
 $con = mysql_connect("localhost","root","root") or die ('Not connected : ' . mysql_error());
 mysql_set_charset("gbk",$con);
 //if you donot know how to use this function,find it defination;
 mysql_select_db("website",$con);
 switch($opt){
  case "read":
   $res =mysql_query($str_sql);
  break; 
  case "update":
  case "delete":
  case "insert":
   $res =mysql_query($str_sql);
  break;   
 }
 mysql_close();
 return $res;
}
?>