use IlluminateDatabaseMigrationsMigration; use IlluminateDatabaseSchemaBlueprint; use IlluminateSupportFacadesSchema;</p> <p>class CreatePostsTable extends Migration { public function up() { Schema::create('post
Laravel本身支持软删除，只需要进行少量的配置更改，以确保在执行delete或destroy时，模型的记录不会被实际删除。作为一个例子，我们修改Event模型以支持软删除。首先创建一个新的迁移，将名为deleted_at的列添加到events表中：php artisan make:migration add_soft_delete_to_events --table=events 执行成功，输出内容...
Laravel本身支持软删除,只需要进行少量的配置更改,以确保在执行delete或destroy时,模型的记录不会被实际删除。作为一个例子,我们修改Event模型以支持软删除。 首先创建一个新的迁移,将名为deleted_at的列添加到events表中: php artisan make:migration add_soft_delete_to_events --table=events 执行成功,输出内容如...
这就是所谓的软删除。 Laravel本身支持软删除,只需要进行少量的配置更改,以确保在执行delete或destroy时,模型的记录不会被实际删除。作为一个例子,我们修改Event模型以支持软删除。 首先创建一个新的迁移,将名为deleted_at的列添加到events表中: php artisan make:migration add_soft_delete_to_events --table=event...
class CreatePostsTable extends Migration { public function up() { Schema::create('posts', function (Blueprint $table) { $table->id(); $table->string('title'); $table->text('content'); $table->timestamps(); $table->softDeletes(); });...
1php artisan make:migration create_flights_tableLaravel will use the name of the migration to attempt to guess the name of the table and whether or not the migration will be creating a new table. If Laravel is able to determine the table name from the migration name, Laravel will pre-...
The new migration will be placed in your database/migrations directory. Each migration filename contains a timestamp that allows Laravel to determine the order of the migrations:1php artisan make:migration create_flights_tableLaravel will use the name of the migration to attempt to guess the ...
### 关键词 Laravel, PHP框架, 级联删除, 软删除, 数据完整性 ## 一、Laravel级联软删除的原理与优势 ### 1.1 软删除的基本概念与应用场景 在Laravel PHP框架中,软删除(Soft Deleting)是一种特殊的数据删除机制,它允许开发者标记一个记录为“已删除”,而不是直接从数据库中永久移除该记录。这种机制对于那些...
use Illuminate\Database\Migrations\Migration; class AlterPostsDeletedAt extends Migration { /** * Run the migrations. * * @return void */ public function up() { Schema::table('blog_users', function (Blueprint $table) { //我新加部分如下一行 ...
Structure of a Laravel Migration Laravel Migration class uses the following two methods: The up() method:This method is used to create a new table, column, or index in the database. The down() method:This method is used to drop an existing table, column, or index in the database. Thi...