跨浏览器另存为.txt [英] Cross-browser Save As .txt

问题描述

是否有一个JavaScript库允许将字符串保存为txt文件，并且可以跨浏览器工作？

Is there a JavaScript library that allows to save strings as txt files, and works cross-browser?

过去，我一直在使用Downloadify，但是我我正在寻找另一种选择，原因有两个：

In the past, I have been using Downloadify, but I am looking at another option for a couple reasons:

• 我希望找到一个纯粹的JavaScript解决方案，而不需要Flash


• 似乎Downloadify不再更新
  （过去18个月内没有更新）


• 我在IE 9中遇到Downloadify问题，字符串被切断的地方

推荐答案

据我所知，唯一的方法是使用数据：强制下载的网址：

As far as I know, the only way is to use data: URLs to force a download:

var data = "This is a test";
window.location.href = "data:application/x-download;charset=utf-8," + encodeURIComponent(data);

这里有两次捕获：

• 它在MSIE中不起作用，因为它对数据的支持：URL非常有限（据说是出于安全原因）。所以你仍然需要在那里下载。


• 你不能指定文件名，建议的文件名将取决于所使用的浏览器。并且文件类型将是未知（您不能使用已知的MIME类型，因为浏览器不会提供下载文件）。

• It won't work in MSIE because its support of data: URLs is very limited (supposedly for security reasons). So you will still need Downloadify there.
• You cannot specify a file name, the suggested file name will depend on the browser used. And file type will be "unknown" (you cannot use a known MIME type because the browser won't offer to download the file then).

奖金阅读：2010年2月有一个关于解决第二个问题的W3.org讨论： http://lists.w3.org/Archives/Public/uri/2010Feb/thread.html#msg58 。但是，到目前为止，这似乎没有进入任何规范，更不用说浏览器实现了。

Bonus reading: there was a W3.org discussion in February 2010 on fixing the second problem: http://lists.w3.org/Archives/Public/uri/2010Feb/thread.html#msg58. However, this doesn't seem to have made it into any specification so far, let alone browser implementations.

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