数据迁移 (Migrations)

数据迁移就像是数据库的“版本控制系统”，允许你的团队轻松定义和共享应用程序的数据库架构。

编写迁移文件

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    public function up(): void
    {
        Schema::create('posts', function (Blueprint $table) {
            $table->id();
            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
            $table->string('title');
            $table->string('slug')->unique();
            $table->text('body');
            $table->boolean('is_published')->default(false);
            $table->timestamps();
            $table->softDeletes();
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('posts');
    }
};

---

常用迁移指令

# 运行所有未执行的迁移
php artisan migrate

# 回滚最后一批迁移
php artisan migrate:rollback

# 重置并重新运行所有迁移并填充数据
php artisan migrate:fresh --seed