Console内核

<?php
// 第一部分： 创建应用实例
$app = new Illuminate\Foundation\Application(
    realpath(__DIR__.'/../')
);

// 第二部分： 完成内核绑定
$app->singleton(
    Illuminate\Contracts\Http\Kernel::class,
    App\Http\Kernel::class
);
// console内核绑定
$app->singleton(
    Illuminate\Contracts\Console\Kernel::class,
    App\Console\Kernel::class
);

$app->singleton(
    Illuminate\Contracts\Debug\ExceptionHandler::class,
    App\Exceptions\Handler::class
);

return $app;Copy

/**
* Define the application's command schedule.
*
* @param  \Illuminate\Console\Scheduling\Schedule  $schedule
* @return void
*/
protected function schedule(Schedule $schedule)
{
    // $schedule->command('inspire')
    //          ->hourly();
}
/**
* Register the commands for the application.
*
* @return void
*/
protected function commands()
{
    $this->load(__DIR__.'/Commands');
    require base_path('routes/console.php');
}Copy

public function __construct(Application $app, Dispatcher $events)
{
    if (! defined('ARTISAN_BINARY')) {
        define('ARTISAN_BINARY', 'artisan');
    }

    $this->app = $app;
    $this->events = $events;

    $this->app->booted(function () {
        $this->defineConsoleSchedule();
    });
}Copy

$kernel = $app->make(Illuminate\Contracts\Console\Kernel::class);

$status = $kernel->handle(
    $input = new Symfony\Component\Console\Input\ArgvInput,
    new Symfony\Component\Console\Output\ConsoleOutput
);Copy

protected $bootstrappers = [
    \Illuminate\Foundation\Bootstrap\LoadEnvironmentVariables::class,
    \Illuminate\Foundation\Bootstrap\LoadConfiguration::class,
    \Illuminate\Foundation\Bootstrap\HandleExceptions::class,
    \Illuminate\Foundation\Bootstrap\RegisterFacades::class,
    \Illuminate\Foundation\Bootstrap\SetRequestForConsole::class,
    \Illuminate\Foundation\Bootstrap\RegisterProviders::class,
    \Illuminate\Foundation\Bootstrap\BootProviders::class,
];Copy

name Illuminate\Foundation\Console;
class Kernel implements KernelContract
{
    public function handle($input, $output = null)
    {
        try {
            $this->bootstrap();

            return $this->getArtisan()->run($input, $output);
        } catch (Exception $e) {
            $this->reportException($e);

            $this->renderException($output, $e);

            return 1;
        } catch (Throwable $e) {
            $e = new FatalThrowableError($e);

            $this->reportException($e);

            $this->renderException($output, $e);

            return 1;
        }
    }
}

namespace Symfony\Component\Console;
class Application
{
    //执行命令
    public function run(InputInterface $input = null, OutputInterface $output = null)
    {
        ......
        try {
            $exitCode = $this->doRun($input, $output);
        } catch {
            ......
        }
        ......
        return $exitCode;
    }

    public function doRun(InputInterface $input, OutputInterface $output)
    {
       //解析出命令名称
       $name = $this->getCommandName($input);

       //解析出入参
       if (!$name) {
            $name = $this->defaultCommand;
            $definition = $this->getDefinition();
            $definition->setArguments(array_merge(
                $definition->getArguments(),
                array(
                    'command' => new InputArgument('command', InputArgument::OPTIONAL, $definition->getArgument('command')->getDescription(), $name),
                )
            ));
        }
        ......
        try {
            //通过命令名称查找出命令类（命名空间、类名等）
            $command = $this->find($name);
        }
        ......
        //运行命令类
        $exitCode = $this->doRunCommand($command, $input, $output);

        return $exitCode;
    }

    protected function doRunCommand(Command $command, InputInterface $input, OutputInterface $output)
    {
        ......
        //执行命令类的run方法来处理任务
        $exitCode = $command->run($input, $output);
        ......

        return $exitcode;
    }
}
Copy

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