每天laravel-20160722|Application-2

    /** * Add a command to the console. * * @param \Symfony\Component\Console\Command\Command $command * @return \Symfony\Component\Console\Command\Command */
    public function add(SymfonyCommand $command)
    {
        if ($command instanceof Command) {// check the command instance is right,
            $command->setLaravel($this->laravel);// command instance to run the set function
        }

        return $this->addToParent($command);// use this function to add to Parent frame
    }// add a command to the console.

    /** * Add the command to the parent instance. * * @param \Symfony\Component\Console\Command\Command $command * @return \Symfony\Component\Console\Command\Command */
    protected function addToParent(SymfonyCommand $command)
    {
        return parent::add($command);// this a easy way or type
    }// Add to the parent // use a wrap to make the function to easy know! or understand

    /** * Add a command, resolving through the application. * * @param string $command * @return \Symfony\Component\Console\Command\Command */
    public function resolve($command)
    {
        return $this->add($this->laravel->make($command));// a add wrap, like mysql function query and thinkphp function find. yeah
    }// add a command resolving through the application

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