如何在Google Chrome扩展程序中生成要下载的文件？ [英] How to generate a file for download in a Google Chrome Extension?

问题描述

我想要生成一个CSV文件作为一些用户交互的结果，然后提示用户下载它。我怎么能做到这一点？

我不认为这是可能的直JS，但也许Chrome给我一些提升的特权？

<您现在可以使用HTML5 File API

解决方案

/ a>下载文件。它仍在开发中，但您可以使用BlobBuilder并重定向您的下载文件：

  var bb = new BlobBuilder （）; 
 bb.append（csvContents）; 
 var blob = bb.getBlob（）; 
 location.href = window.webkitURL.createObjectURL（blob）; 
  

有关File API的更多信息，HTML5Rocks有一个很棒的教程：

http://www.html5rocks.com/tutorials/file/文件系统/

I want to generate a CSV file as the result of some user interactions and then prompt the user to download it. How can I do that?

I don't think it's possible in straight JS, but perhaps Chrome gives me some elevated privileges?

解决方案

You can now use HTML5 File API to download a file. It is still in development, but you can use a BlobBuilder and redirect your use to download that file:

var bb = new BlobBuilder();
bb.append(csvContents);
var blob = bb.getBlob(); 
location.href = window.webkitURL.createObjectURL(blob);

For more information regarding the File API, HTML5Rocks has a great tutorial:

http://www.html5rocks.com/tutorials/file/filesystem/

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