| 1234567891011121314151617181920212223242526272829303132333435363738394041 | <?phpdefined('IN_PHPCMS') or exit('No permission resources.');pc_base::load_sys_class('model', '', 0);class member_model_model extends model {	public function __construct() {		$this->db_config = pc_base::load_config('database');		$this->db_setting = 'default';		$this->table_name = 'model';		parent::__construct();	}			public function drop_table($tablename) {		$tablename = $this->db_tablepre.$tablename;		$tablearr = $this->db->list_tables();		if(in_array($tablename, $tablearr)) {			return $this->db->query("DROP TABLE $tablename");		} else {			return false;		}	}		public function create_table($tablename) {		$tablename = $this->db_tablepre.$tablename;		$tablearr = $this->db->list_tables();		if(!in_array($tablename, $tablearr)) {			return $this->db->query("CREATE TABLE $tablename (`userid` int(10) unsigned NOT NULL,  UNIQUE KEY `userid` (`userid`)) DEFAULT CHARSET=".CHARSET);		} else {			return false;		}	}	/**	 * 修改member表会员模型	 * @param unknown_type $tablename	 */	public function change_member_modelid($from_modelid, $to_modelid) {		$tablename = $this->db_tablepre.'member';		$this->db->update(array('modelid'=>$to_modelid), $tablename, "modelid='$from_modelid'");	}}?>
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