每天laravel-20160717|Command-1

namespace Illuminate\Console;use Illuminate\Contracts\Support\Arrayable;use Symfony\Component\Console\Helper\Table;use Symfony\Component\Console\Input\ArrayInput;use Symfony\Component\Console\Output\NullOutput;use Symfony\Component\Console\Question\Question;use Symfony\Component\Console\Input\InputInterface;use Symfony\Component\Console\Output\OutputInterface;use Symfony\Component\Console\Question\ChoiceQuestion;use Symfony\Component\Console\Formatter\OutputFormatterStyle;use Symfony\Component\Console\Command\Command as SymfonyCommand;// more namespaceclass Command extends SymfonyCommand{    /**     * The Laravel application instance.     *     * @var \Illuminate\Contracts\Foundation\Application     */    protected $laravel;// the big or base  instance.    /**     * The input interface implementation.     *     * @var \Symfony\Component\Console\Input\InputInterface     */    protected $input;// The input interface implementation.    /**     * The output interface implementation.     *     * @var \Illuminate\Console\OutputStyle     */    protected $output;// The output interface implementation.    /**     * The name and signature of the console command.     *     * @var string     */    protected $signature;// The name and signature of the console command ,like a token    /**     * The console command name.     *     * @var string     */    protected $name;// command name,like a key    /**     * The console command description.     *     * @var string     */    protected $description;// command description    /**     * The default verbosity of output commands. // the detail about the output commands.     * verbosity == detail     * @var int     */    protected $verbosity = OutputInterface::VERBOSITY_NORMAL;// this is "32"    /**     * The mapping between human readable verbosity levels and Symfony's OutputInterface.     *     * @var array     */    protected $verbosityMap = [        'v'      => OutputInterface::VERBOSITY_VERBOSE,        'vv'     => OutputInterface::VERBOSITY_VERY_VERBOSE,        'vvv'    => OutputInterface::VERBOSITY_DEBUG,        'quiet'  => OutputInterface::VERBOSITY_QUIET,        'normal' => OutputInterface::VERBOSITY_NORMAL,    ];// a array to change the flag to a human can read flag    /**     * Create a new console command instance.     *     * @return void     */    public function __construct()    {        // We will go ahead and set the name, description, and parameters on console        // commands just to make things a little easier on the developer. This is        // so they don't have to all be manually specified in the constructors.        if (isset($this->signature)) {            $this->configureUsingFluentDefinition();        } else {            parent::__construct($this->name);        }// two way , one is configureUsingFluentDefinition        // anther use father __construct        $this->setDescription($this->description);// Set Description        if (! isset($this->signature)) {            $this->specifyParameters();// set the specify Parameters.        }    }// create a new console command instance    // we will go ahead and set the name , description, and parameters on console commands to make a little easier on the developer.    // This is so they don't have to all be manually specified in the constructors.    /**     * Configure the console command using a fluent definition.     *     * @return void     */    protected function configureUsingFluentDefinition()    {        list($name, $arguments, $options) = Parser::parse($this->signature);// set the parser::parse();        parent::__construct($name);// use father __construct(); with a variable        foreach ($arguments as $argument) {            $this->getDefinition()->addArgument($argument);        }// this is a addArgument ($argument)        // set the argument        foreach ($options as $option) {            $this->getDefinition()->addOption($option);        }// set the option    }// configure the console command using a definition    /**     * Specify the arguments and options on the command.     *     * @return void     */    protected function specifyParameters()// register arguments and options    {        // We will loop through all of the arguments and options for the command and        // set them all on the base command instance. This specifies what can get        // passed into these commands as "parameters" to control the execution.        foreach ($this->getArguments() as $arguments) {            call_user_func_array([$this, 'addArgument'], $arguments);        }// call the argument function to add the argments        foreach ($this->getOptions() as $options) {            call_user_func_array([$this, 'addOption'], $options);        }// call the addOption function to add the options    }// send the right arguments and options  to the command.    // we will loop through all of the arguments and options for the command and set them all on the base command instance.    // This specifies what can get passed into these commands as "parameters" to control the execution    /**     * Run the console command.     *     * @param  \Symfony\Component\Console\Input\InputInterface  $input     * @param  \Symfony\Component\Console\Output\OutputInterface  $output     * @return int     */    public function run(InputInterface $input, OutputInterface $output)    {        $this->input = $input;// get input        $this->output = new OutputStyle($input, $output);// get output        return parent::run($input, $output);// use parent::run();    }// Run the console command.    /**     * Execute the console command.     *     * @param  \Symfony\Component\Console\Input\InputInterface  $input     * @param  \Symfony\Component\Console\Output\OutputInterface  $output     * @return mixed     */    protected function execute(InputInterface $input, OutputInterface $output)    {        $method = method_exists($this, 'handle') ? 'handle' : 'fire';// check the way to start,        return $this->laravel->call([$this, $method]);// never use the arguments    }// a normal call the function, be ley mysql execute,    // execute the console command.