使用Response :: download在laravel中下载文件 [英] Download files in laravel using Response::download

问题描述

在Laravel应用程序中，我试图在视图内部实现一个按钮，该按钮可以允许用户下载文件而无需导航至任何其他视图或路径 现在我有两个问题: (1)下面的函数抛出

In Laravel application I'm trying to achieve a button inside view that can allow user to download file without navigating to any other view or route Now I have two issues: (1) below function throwing

The file "/public/download/info.pdf" does not exist

(2)下载"按钮不应将用户导航到任何地方，而应仅在同一视图(我的当前设置)上下载文件，将视图路由到"/download"

(2) Download button should not navigate user to anywhere and rather just download files on a same view, My current settings, routing a view to '/download'

这是我要达到的目标:

按钮:

  <a href="/download" class="btn btn-large pull-right"><i class="icon-download-alt"> </i> Download Brochure </a>

路线:

Route::get('/download', 'HomeController@getDownload');

控制器:

public function getDownload(){
        //PDF file is stored under project/public/download/info.pdf
        $file="./download/info.pdf";
        return Response::download($file);
}

推荐答案

尝试一下.

public function getDownload()
{
    //PDF file is stored under project/public/download/info.pdf
    $file= public_path(). "/download/info.pdf";

    $headers = array(
              'Content-Type: application/pdf',
            );

    return Response::download($file, 'filename.pdf', $headers);
}

"./download/info.pdf"将不起作用，因为您必须提供完整的物理路径.

"./download/info.pdf"will not work as you have to give full physical path.

更新2016年5月20日

Laravel 5、5.1、5.2或5. *用户可以使用以下方法代替Response facade.但是，我先前的答案对Laravel 4或5都适用.($header数组结构更改为关联数组=>-删除"Content-Type"后的冒号-如果我们不进行这些更改，则标头会以错误的方式添加:标头的名称应为从0,1，...开头的数字

Laravel 5, 5.1, 5.2 or 5.* users can use the following method instead of Response facade. However, my previous answer will work for both Laravel 4 or 5. (the $header array structure change to associative array =>- the colon after 'Content-Type' was deleted - if we don't do those changes then headers will be added in wrong way: the name of header wil be number started from 0,1,...)

$headers = [
              'Content-Type' => 'application/pdf',
           ];

return response()->download($file, 'filename.pdf', $headers);

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