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在Maatwebsite Laravel中找不到“Class 'App\Http\Controllers\InvoicesExport'”

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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

  • 1
    return Excel::download(new \InvoicesExport, 'invoices.xlsx');
    

    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

    use [YOUR_PATH]/InvoicesExport
    

    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 .

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