使用 Progress Bar 的所有示例都显示了一个简单的代码,但可以使用 artisan 命令
$users = App\User::all();
$bar = $this->output->createProgressBar(count($users));
foreach ($users as $user) {
$this->performTask($user);
$bar->advance();
}
$bar->finish();
但是我喜欢在从我的命令调用的一个类上实现但不起作用。
php artisan migratedb:migrate table --table=cms_users
迁移数据库.php
...
use Abkrim\Setdart\MigrateTables;
$migration = new MigrateTables($this->argument('type'), $this->option('table'));
$migration->runMigration();
迁移表.php
...
private function migration_cms_users() {
...
$bar = $this->output->createdProgressBar($this->getNumberRows($db)); // Error (1)
...
$bar = new ProgressBar($output, $this->getNumberRows($db)); // Example on [Symfony][1] Undefined variable: output
}
(1) [ErrorException]
Undefined property: Abkrim\Setdart\MigrateTables::$output
(2) [ErrorException]
Undefined variable: output
最佳答案
如果你在 Symfony 上工作,你可以像这样定义你的输出:
use Symfony\Component\Console\Helper\ProgressBar;
use Symfony\Component\Console\Output\ConsoleOutput;
$output = new ConsoleOutput();
$progress = new ProgressBar($output, 50);
$progress->start();
foreach($vars as $var){
$progress->advance();
}
$progress->finish();
关于php - 如何在命令的类上显示进度条,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38283157/