tp5生成6位不重複驗證碼
阿新 • • 發佈:2018-11-29
/** * 獲取啟用碼 */ public function getnum() { $num = microtime(true); for ($i = $num; $i < ($num + 10); $i++) { // dump(substr(md5($i), 0, 6));exit; Db::name("fangchan_jihuoma")->insert([ 'num' => substr(md5($i), 0, 6), 'status' => '', 'created_time' => time(), 'info_time' => $i ]); } $sql = "select count(*) as sum,num from osc_fangchan_jihuoma group by num HAVING sum>1";//查詢重複的驗證碼數量和重複的驗證碼 $data = Db::query($sql); if(!empty($data)) { foreach($data as $k=> $v) {for($j=0;$j<$v['sum'];$j++){ Db::name("fangchan_jihuoma")->where('num',1)->delete();刪除重複的驗證碼 } } } $this->success('啟用碼已生成!'); }
CREATE TABLE `osc_fangchan_jihuoma` ( `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增長id', `num` varchar(8) NOT NULL COMMENT '啟用碼', `uid` int(10) unsigned zerofill DEFAULT NULL COMMENT 'member表id', `status` tinyint(1) unsigned zerofill NOT NULL DEFAULT '0' COMMENT '是否核銷 0:未核銷,1:已核銷', `created_time` int(11) NOT NULL DEFAULT '0' COMMENT '啟用碼建立時間', `info_time` int(11) NOT NULL DEFAULT '0' COMMENT '標記用時間', PRIMARY KEY (`id`) ) ENGINE=MyISAM AUTO_INCREMENT=134 DEFAULT CHARSET=utf8mb4;