无法在Laravel 8中导入excel数据。我是新手

composer require maatwebsite/excel

Maatwebsite\Excel\ExcelServiceProvider::class,

'Excel' => Maatwebsite\Excel\Facades\Excel::class,

php artisan vendor:publish --provider="Maatwebsite\Excel\ExcelServiceProvider"

use Maatwebsite\Excel\Facades\Excel;

public function importExcel(Request $request)
{
    $file = $request->file('excel_file');
    
    Excel::import(new YourImportClass, $file);
    
    // 处理导入后的逻辑
    
    return redirect()->back()->with('success', 'Excel导入成功！');
}

use Maatwebsite\Excel\Concerns\ToModel;
use App\Models\YourModel;

class YourImportClass implements ToModel
{
    public function model(array $row)
    {
        return new YourModel([
            'column1' => $row[0],
            'column2' => $row[1],
            // 根据Excel文件的列数和模型的字段进行映射
        ]);
    }
}