每天laravel-20160718|Command-2

    // 2016-04-15    /**     * Call another console command.     *     * @param  string  $command     * @param  array   $arguments     * @return int     */    public function call($command, array $arguments = [])    {        $instance = $this->getApplication()->find($command);// get the find($command)        // a instance        $arguments['command'] = $command;// save the command to the $arguments.        return $instance->run(new ArrayInput($arguments), $this->output);// $instance->run    }// Call another console command    // a ArrayInput $this->output    // ArrayInput($argument),$this->output;    // ArrayInput($argument), change the command array to a new array.    /**     * Call another console command silently.     *     * @param  string  $command     * @param  array   $arguments     * @return int     */    public function callSilent($command, array $arguments = [])//call Silent function    {        $instance = $this->getApplication()->find($command);// get command instance        $arguments['command'] = $command;// $arguments        return $instance->run(new ArrayInput($arguments), new NullOutput);// no outPut    }// call another console command silently    /**     * Get the value of a command argument.     *     * @param  string  $key     * @return string|array     */    public function argument($key = null)    {        if (is_null($key)) {            return $this->input->getArguments();        }// all argument to send back        return $this->input->getArgument($key);// get you  want value by you key    }// Get the value of a command argument.    /**     * Get the value of a command option.     *     * @param  string  $key     * @return string|array     */    public function option($key = null)    {        if (is_null($key)) {            return $this->input->getOptions();        }// $this->input->getOptions();        return $this->input->getOption($key);// get the getOption by key    }// Get the value of a command option    /**     * Confirm a question with the user.     *     * @param  string  $question     * @param  bool    $default     * @return bool     */    public function confirm($question, $default = false)    {// use api function to check the question        return $this->output->confirm($question, $default);    }// Confirm a question with the user.    /**     * Prompt the user for input.     *     * @param  string  $question     * @param  string  $default     * @return string     */    public function ask($question, $default = null)    {        return $this->output->ask($question, $default);    }// Prompt the user for input.    // use the    /**     * Prompt the user for input with auto completion.     *     * @param  string  $question     * @param  array   $choices     * @param  string  $default     * @return string     */    public function anticipate($question, array $choices, $default = null)    {        return $this->askWithCompletion($question, $choices, $default);// askWithCompletion    }// Prompt the user for input with auto completion    /**     * Prompt the user for input with auto completion.     *     * @param  string  $question     * @param  array   $choices     * @param  string  $default     * @return string     */    public function askWithCompletion($question, array $choices, $default = null)    {        $question = new Question($question, $default);// get a question        $question->setAutocompleterValues($choices);//api function        return $this->output->askQuestion($question);//api function    }//Prompt the user for input with auto completion    /**     * Prompt the user for input but hide the answer from the console.     *     * @param  string  $question     * @param  bool    $fallback     * @return string     */    public function secret($question, $fallback = true)    {        $question = new Question($question);        $question->setHidden(true)->setHiddenFallback($fallback);        return $this->output->askQuestion($question);    }//Prompt the user for input but hide the answer from the console.    /**     * Give the user a single choice from an array of answers.     *     * @param  string  $question     * @param  array   $choices     * @param  string  $default     * @param  mixed   $attempts     * @param  bool    $multiple     * @return string     */    public function choice($question, array $choices, $default = null, $attempts = null, $multiple = null)    {        $question = new ChoiceQuestion($question, $choices, $default);        $question->setMaxAttempts($attempts)->setMultiselect($multiple);        return $this->output->askQuestion($question);    }// Give the user a single choice from an array of answers.    /**     * Format input to textual table.     *     * @param  array   $headers     * @param  \Illuminate\Contracts\Support\Arrayable|array  $rows     * @param  string  $style     * @return void     */    public function table(array $headers, $rows, $style = 'default')    {        $table = new Table($this->output);// get the Table instance        if ($rows instanceof Arrayable) {            $rows = $rows->toArray();        }//        $table->setHeaders($headers)->setRows($rows)->setStyle($style)->render();    }// Format input to textual table.    // use a class mode    /**     * Write a string as information output.     *     * @param  string  $string     * @param  null|int|string  $verbosity     * @return void     */    public function info($string, $verbosity = null)    {        $this->line($string, 'info', $verbosity);//line the info    }// Write a string as information output.    /**     * Write a string as standard output.     *     * @param  string  $string     * @param  string  $style     * @param  null|int|string  $verbosity     * @return void     */    public function line($string, $style = null, $verbosity = null)    {        $styled = $style ? "<$style>$string</$style>" : $string;// set the string        $this->output->writeln($styled, $this->parseVerbosity($verbosity));// use a writeln    }// Write a string as standard output    // writeln    /**     * Write a string as comment output.     *     * @param  string  $string     * @param  null|int|string  $verbosity     * @return void     */    public function comment($string, $verbosity = null)    {        $this->line($string, 'comment', $verbosity);// line comment        // Write a string as comment output.    }// Write a string as comment output.    /**     * Write a string as question output.     *     * @param  string  $string     * @param  null|int|string  $verbosity     * @return void     */    public function question($string, $verbosity = null)    {        $this->line($string, 'question', $verbosity);// line()    }// Write a string as question output.    /**     * Write a string as error output.     *     * @param  string  $string     * @param  null|int|string  $verbosity     * @return void     */    public function error($string, $verbosity = null)    {        $this->line($string, 'error', $verbosity);// line() write a line    }// Write a string as error output.    /**     * Write a string as warning output.     *     * @param  string  $string     * @param  null|int|string  $verbosity     * @return void     */    public function warn($string, $verbosity = null)    {        if (! $this->output->getFormatter()->hasStyle('warning')) {            $style = new OutputFormatterStyle('yellow');// new OutputFormatterStyle            $this->output->getFormatter()->setStyle('warning', $style);// has the warning        }        $this->line($string, 'warning', $verbosity);    }//Write a string as warning output.    /**     * Get the verbosity level in terms of Symfony's OutputInterface level.     *     * @param  string|int  $level     * @return int     */    protected function parseVerbosity($level = null)    {        if (isset($this->verbosityMap[$level])) {            $level = $this->verbosityMap[$level];// $level        } elseif (! is_int($level)) {            $level = $this->verbosity;// the verbosity        }        return $level;    }//Get the verbosity level terms of Symfony's OutputInterface level.    /**     * Set the verbosity level.     *     * @param string|int $level     * @return void     */    protected function setVerbosity($level)    {        $this->verbosity = $this->parseVerbosity($level);// verbosity    }// Set the verbosity level.    /**     * Get the console command arguments.     *     * @return array     */    protected function getArguments()    {        return [];// a empty array();    }// Get the console command arguments.    /**     * Get the console command options.     *     * @return array     */    protected function getOptions()    {        return [];// a empty array();    }// Get the console command options.    /**     * Get the output implementation.     *     * @return \Symfony\Component\Console\Output\OutputInterface     */    public function getOutput()    {        return $this->output;// a empty array();    }//Get the output implementation.    /**     * Get the Laravel application instance.     *     * @return \Illuminate\Contracts\Foundation\Application     */    public function getLaravel()    {        return $this->laravel;    }//Get the laravel application instance.    // return the laravel    /**     * Set the Laravel application instance.     *     * @param  \Illuminate\Contracts\Container\Container  $laravel     * @return void     */    public function setLaravel($laravel)    {        $this->laravel = $laravel;//Set the laravel    }// Set the laravel application instance.}