/** * 显示问题的提示信息 */ protected function writePrompt() { $text = $this->question->getQuestion(); $default = $this->question->getDefault(); switch (true) { case null === $default: $text = sprintf(' <info>%s</info>:', $text); break; case $this->question instanceof Confirmation: $text = sprintf(' <info>%s (yes/no)</info> [<comment>%s</comment>]:', $text, $default ? 'yes' : 'no'); break; case $this->question instanceof Choice && $this->question->isMultiselect(): $choices = $this->question->getChoices(); $default = explode(',', $default); foreach ($default as $key => $value) { $default[$key] = $choices[trim($value)]; } $text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, implode(', ', $default)); break; case $this->question instanceof Choice: $choices = $this->question->getChoices(); $text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, $choices[$default]); break; default: $text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, $default); } $this->output->writeln($text); if ($this->question instanceof Choice) { $width = max(array_map('strlen', array_keys($this->question->getChoices()))); foreach ($this->question->getChoices() as $key => $value) { $this->output->writeln(sprintf(" [<comment>%-{$width}s</comment>] %s", $key, $value)); } } $this->output->write(' > '); }