javascript 任何干净的方式来下载文件，如 html5 下载属性
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any clean ways to download files like html5 download attribute
提问by boburShox
I am fully aware that there are many debates(and solutions) out there in terms of downloading files in javascript/jQuery, such as iFrame, jQueryPlugin. However, I am more interested in a kind of built-in facilities like downloadattribute of <a>in HTML5. The problem is that it supports a couple of browsers:
我完全意识到在 javascript/jQuery 中下载文件方面存在许多争论（和解决方案），例如iFrame, jQueryPlugin. 然而，我更感兴趣的是一种内置的工具，比如HTML5 中的download属性<a>。问题是它支持几个浏览器：
That is how I want to download files, without creating frames or using any plugins. The questions is are there any other cross browser built-in(say, easier or cleaner) ways to do it?
这就是我想要下载文件的方式，而无需创建框架或使用任何插件。问题是有没有其他跨浏览器内置（比如，更简单或更干净）的方法来做到这一点？
- Internet Explorer 8+
- Firefox 19+
- Chrome 17+
- Safari 5.1.9+
- Opera 12.1
- 浏览器 8+
- 火狐 19+
- 铬 17+
- Safari 5.1.9+
- 歌剧 12.1
回答by tsauerwein
You might want to try FileSaver.jswhich has support for all modern browsers.
您可能想尝试支持所有现代浏览器的FileSaver.js。
var blob = new Blob(["Hello, world!"], {type: "text/plain;charset=utf-8"});
saveAs(blob, "hello world.txt");
回答by Marius
There is Downloadify, which generates and force downloads files with Flash. There's also a demoavailable.
有Downloadify，它使用 Flash 生成并强制下载文件。还有一个演示可用。
Or you could download the file using XHttpRequest ($.get in jQuery) and use data URIs.
或者您可以使用 XHttpRequest（jQuery 中的 $.get）下载文件并使用数据 URIs。
