allowing your team to easily modify and share the application's database schema. Migrations are typically paired with Laravel's schema builder to easily build your application's database schema. If you have ever
phpartisan make:migration create_table_test –table=test_a 修改表 Schema::table(‘test’, function (Blueprint $table) { $table->dropColumn([‘data’]); $table->renameColumn(‘tttt’,’test’); $table->addColumn(‘string’,’t_id’, [‘length’ => 200]); }); phpartisan make:migr...
2)修改已创建的数据表字段(make:migration add) 想要修改已创建的数据表,不能直接改原来的 migrate 文件,要新建一个迁移文件,命令如下: php artisan make:migration add_description_to_articles_table --table=articles php artisan make:migration change_description_on_articles_table --table=articles PS:其实migr...
使用Artisan 命令 make:migration 来创建迁移:php artisan make:migration create_users_table 新的迁移文件会被放置在 database/migrations 目录中。每个迁移文件的名称都包含了一个时间戳,以便让 Laravel 确认迁移的顺序。--table 和--create 选项可用来指定数据表的名称,或是该迁移被执行时是否将创建的新数据表。
php artisan make:migration create_users_table--create=users php artisan make:migration add_votes_to_users_table--table=users 如果你想为生成的迁移指定一个自定义输出路径,则可以在运行make:migration命令时添加--path选项。提供的路径必须是相对于应用程序的基本路径。
php artisan make:migration add_soft_delete_to_events --table=events 执行成功，输出内容如下：Created Migration: 2020_10_08_184402_add_soft_delete_to_events 接着在生成的迁移文件内实现迁移使用的 up 方法：public function up(){ Schema::table('events', function(Blueprint $table){ $table->...
To add awalletcolumn to thefund_userstable, create a migration file namedadd_wallet_columnand include the following in theup()method of the generated file: publicfunctionup():void{ Schema::table('fund_users',function(Blueprint$table){$table->double('wallet'); ...
php artisan make:migration add_state_id_to_events_table --table=events 手动实现迁移文件的修改：public function up(){ Schema::table('events', function (Blueprint $table) { $table->integer('state_id')->unsigned()->nullable();$table->foreign('state_id')->references('id')->on('states'...
Migrations are like version control for your database, allowing your team to define and share the application's database schema definition. If you have ever had to tell a teammate to manually add a column to their local database schema after pulling in your changes from source control, you'...
1 php artisan make:migration create_users_table 新的迁移文件会被放置在 database/migrations 目录中。每个迁移文件的名称都包含了一个时间戳,以便让 Laravel 确认迁移的顺序。--table 和--create 选项可用来指定数据表的名称,或是该迁移被执行时是否将创建的新数据表。这些选项需在预生成迁移文件时填入指定的...