Laravel 5.8 -读取和执行从DBeaver转储的SQL文件，遇到字符串格式问题，主要是插入前的�

'mysql' => [
    'driver' => 'mysql',
    'host' => env('DB_HOST', '127.0.0.1'),
    'port' => env('DB_PORT', '3306'),
    'database' => env('DB_DATABASE', 'forge'),
    'username' => env('DB_USERNAME', 'forge'),
    'password' => env('DB_PASSWORD', ''),
    'charset' => 'utf8mb4',
    'collation' => 'utf8mb4_unicode_ci',
    'prefix' => '',
    'strict' => true,
    'engine' => null,
],

use Illuminate\Support\Facades\DB;
use Illuminate\Database\Migrations\Migration;

class ExecuteSqlFile extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        $sql = file_get_contents('/path/to/sql/file.sql');
        DB::unprepared($sql);
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        // Rollback logic if needed
    }
}