在我的Laravel项目中,我使用Maatwebsite \ Excel来以Excel格式导出数据 . 我使用新版本3.0(Maatwebsite \ Excel)
App/Exports.php
namespace App\Exports;
use App\Purchasepaymenttransaction;
use Illuminate\Contracts\View\View;
use Maatwebsite\Excel\Concerns\FromView;
class InvoicesExport implements FromView
{
public function view(): View
{
$purchasepayment=Purchasepaymenttransaction::Where('transaction_category',2)->OrderBy('transaction_date','DESC')->get();
return view('exports.purchasepayments', [
'purchasepayment' => $purchasepayment
]);
}
}
In my Payment Controller
<?php
namespace App\Http\Controllers;
use DB;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Auth;
use Illuminate\Http\Request;
use App\Purchasepaymenttransaction;
use Excel;
use App\Exports;
class PaymentController extends Controller
{
public function purchaseexport()
{
return Excel::download(new InvoicesExport, 'invoices.xlsx');
}
}
我得到“Class'App \ Http \ Controllers \ InvoicesExport'找不到”错误
1 回答
通常,在课程未找到异常时,您会在课前使用反斜杠('') . 它会自动从您的代码中找到该类,并在您需要的地方使用它,并且不需要在文件顶部使用它 . 它类似于
如果使用“use”语句则不需要反斜杠('') . 您可以使用以上任何一种 . 它会工作 .