<?php namespace app\test\controller; use think\Controller; use think\Db; class Index extends Controller { public function index() { $time = date('H:i:s'); // 开启事务 Db::startTrans(); db('sms')->lock(true)->select();//加锁 $update1 = db('sms')->where(['id' => 1])->update(['email' => 1]); $update2 = db('sms')->where(['id' => 2])->update(['email' => 2]); $update3 = db('sms')->where(['id' => 3])->update(['email' => 3]); sleep(10); if($update1 && $update2 && $update3){ Db::commit();//提交 return $time.'_lock_true_'.date('H:i:s').'---'.$update1.'---'.$update2.'---'.$update3; }else{ Db::rollback();//回滚 return $time.'_lock_false_'.date('H:i:s').'---'.$update1.'---'.$update2.'---'.$update3; } } }View Code
打开两个网页同时刷新,效果如下:
数据库:
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