要开始实现，您需要一个带有表单的页面来进行文件上传。
To start the implementation, you need a page with a form on it that will allow for file uploads.
对于这次实现研究，我将创建一个基于Web的应用程序使最终用户能够从Web服务器上传和下载他们的文件。
For this implementation study, I will create a Web-based application to enable end-users to upload and download their files from a Web server.
net的列维也承认一些特定编程任务很难用HTML5实现，例如获取iPhone和iPad内置的Safari浏览器以实现文件上传。
Box.net's Levie admits certain programming tasks are still difficult to achieve in HTML, like getting the iPhone and iPad's built-in Safari browser to allow file uploads.
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