<?php class DB { const HOST='127.0.0.1'; const USER='root'; const PASS='root'; const DATA='mooc'; static public $_instance; private function __construct() { mysql_connect(DB::HOST,DB::USER,DB::PASS); mysql_set_charset('utf8'); mysql_select_db(DB::DATA);}public static function getInstance() { if(!self::$_instance instanceof self) { self::$_instance=new self;}return self::$_instance;}} $model=DB::getInstance(); //连接数据库,并且测试 $sql="se<span style="color:transparent">本文来源gaodai#ma#com搞*!代#%^码$网!</span><strong>搞代gaodaima码</strong>lect * from user"; $res=mysql_query($sql); while($row=mysql_fetch_assoc($res)) { var_dump($row);}?>
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