九:引入第三方日志库、go语言风格的defer 使用

为了方便演示 今天的功能,我们引入一个第三方日志库:monolog

链接网址:https://github.com/Seldaek/monolog

这是一个目前在PHP中比较流行的日志库,可以非常方便把日志写入到控制台,文件,redis,elasticsearch等

一:安装:

composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/

执行结果:

二:手动将下载的文件上传到服务器

 

三:代码实现

<?php

require_once "vendor/autoload.php";

use App\sync\WaitGroup;
use Swoole\Coroutine as co;
function query(array $sqls)
{
    $mysql = new co\MySQL();
    $conn = $mysql->connect(['host' => '192.168.1.139', 'user' => 'root', 'password' => 'SwoftTest@1234', 'database' => 'swoft2',]);
    foreach ($sqls as $sql) {

        $statement = $mysql->prepare($sql);
        if ($statement == false) {
            var_dump($mysql->errno, $mysql->error);
        }
        $rows = $statement->execute();
        foreach ($rows as $row) {
            foreach ($row as $k => $v) {
                echo $k . "=>" . $v . ";";
            }
        }
    }
    echo PHP_EOL;
}

go(function () {
    $wg = new WaitGroup();
    $wg->Add(2);//设置协程的数量
    $logger=new Monolog\Logger("mylog");

    //var_dump($logger);

    go(function () use ($wg,$logger) {
        query(["select sleep(3)", "select * from user where user_id=1"]);

        defer(function ()use ($wg,$logger)
        {
            $logger->info("延迟执行",["userid"=>1,"sleep"=>3]);
            $wg->Done();
        });
        throw new Exception("未拦截异常");

    });
    go(function () use ($wg,$logger) {
        query(["select * from user where user_id=2"]);
        $logger->info("延迟执行",["userid"=>1,"sleep"=>2]);
        $wg->Done();
    });
    $wg->Wait();
    echo "done" . PHP_EOL;
});