卸货导入功能 单位处理

app/Imports/DischargeTaskImport.php

@@ -9,11 +9,9 @@ use App\Warehouse;
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\Cache;
-use Illuminate\Support\Str;
 use Maatwebsite\Excel\Concerns\ToCollection;
 use Maatwebsite\Excel\Concerns\WithHeadingRow;
 use Maatwebsite\Excel\Imports\HeadingRowFormatter;
-use PhpMyAdmin\Plugins\Export\ExportExcel;
 
 HeadingRowFormatter::default('none');