finance-pay/app/adminapi/controller/DownloadController.php

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<?php
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namespace app\adminapi\controller;
use app\common\cache\ExportCache;
use app\common\service\JsonService;
class DownloadController extends BaseAdminController
{
public array $notNeedLogin = ['export'];
/**
* @notes 导出文件
* @return \think\response\File|\think\response\Json
* @author 段誉
* @date 2022/11/24 16:10
*/
public function export()
{
//获取文件缓存的key
$fileKey = request()->get('file');
//通过文件缓存的key获取文件储存的路径
$exportCache = new ExportCache();
$fileInfo = $exportCache->getFile($fileKey);
if (empty($fileInfo)) {
return JsonService::fail('下载文件不存在');
}
//下载前删除缓存
$exportCache->delete($fileKey);
return download($fileInfo['src'] . $fileInfo['name'], $fileInfo['name']);
}
}