php artisan migrate Output: Example 2: Read Also: How to use Laravel Model Observers? Schema::create('comments', function (Blueprint $table) { $table->id(); $table->foreignId('user_id')->constrained(); $table->foreignId('post_id')->constrained(); $table->text('comment'); $table...
迁移文件位于 database/migrations 目录下,迁移类存在 up 和 down 两个方法,分别对应创建与撤销。php artisan make:migration create_users_table --create=users #创建表php artisan make:migration add_votes_to_users_table --table=users #修改表php artisan migrate #执行迁移 --force强制执行php art...
php artisan migrate 添加Post 数据工厂,修改 database\factories\PostFactory.php 文件 代码语言:javascript 代码运行次数:0 运行 AI代码解释 <?php /** @var \Illuminate\Database\Eloquent\Factory $factory */ use App\Post; use Faker\Generator as Faker; $factory->define(Post::class, function (Faker ...
1php artisan migrate --forceRolling Back MigrationsTo roll back the latest migration operation, you may use the rollback Artisan command. This command rolls back the last "batch" of migrations, which may include multiple migration files:1php artisan migrate:rollback...
However, we do not recommend that Laravel 10 applications upgrading to Laravel 11 attempt to migrate their application structure, as Laravel 11 has been carefully tuned to also support the Laravel 10 application structure.AuthenticationPassword RehashingLaravel 11 will automatically rehash your user's ...
1php artisan migrateIf you would like to see which migrations have run thus far, you may use the migrate:status Artisan command:1php artisan migrate:statusIf you would like to see the SQL statements that will be executed by the migrations without actually running them, you may provide the ...
Themigrate:refreshcommand will first roll back all of your database migrations, and then run themigratecommand. This command effectively re-creates your entire database: migrate:refresh命令首先回滚所有的数据据迁移, 然后运行migrate 命令, 这个命令有效地重建了整个数据库。
注意,我们在user_profiles表中添加了一个user_id字段用于指向所属用户,从而建立于users表的关联。运行php artisan migrate在数据库创建这张数据表。 准备好数据表之后,接下来,我们来通过模型类建立users表和user_profiles表之间的关联,Eloquent 模型类底层提供了相应的API方法帮助我们建立模型之间的关联。首先,我们在User...
vagrant@homestead:~/abcde/study/myblog$ php artisan migrate --database=mysql2 --path=database/migrations2 vagrant@homestead:~/abcde/study/myblog$ php artisan migrate:rollback --database=mysql2 --path=database/migrations2 php框架migrationlaravel ...
12 PRIMARY KEY (id) 13 ) ENGINE = InnoDB; 现在假设我们上次的执行存在错误想要回滚,我们自需要使用artisan命令行工具执行下面的命令即可:下 一次,如果你想修改数据模型,你可以创建一个新的迁移,再次执行命令artisan migrate。每一次执行artisan migrate命令,它都会根据时间戳去检查哪些没有执行,如果执行了,就跳到...