Discuz getcount函数 获得统计数

君山

//获得统计数
function getcount($tablename, $condition) {
        if(empty($condition)) {
                $where = '1';
        } elseif(is_array($condition)) {
                $where = DB::implode_field_value($condition, ' AND ');
        } else {
                $where = $condition;
        }
        $ret = intval(DB::result_first("SELECT COUNT(*) AS num FROM ".DB::table($tablename)." WHERE $where"));
        return $ret;
}