JavaScript 本地文件访问和打开文件
我目前已经使用 Silverlight 4 基本上构建了 Windows 资源管理器的副本，以替换正在转换为在浏览器中工作的部分客户端程序。这对于上传文件来说工作得很好，但是这个程序的一些用户非常不懂计算机，并且希望能够像客户端程序一样使用它。
因此，当他们双击打开的文件时，他们可以进行更改并将其与计算机上的任何其他文件一样保存，而无需下载、打开进行更改，然后再次上传。
我目前希望能够使用浏览器中信任的 Silverlight 5 来做到这一点，但我想知道是否还有其他可能的方法来做到这一点？？？
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I have currently built basically a copy of Windows explorer using Silverlight 4, to replace part of a client side program that is being converted to work in a browser. This is working fine for uploading files, but some of the users of this program are very computer illiterate, and want to be able to use it the exact same as the client program.
So when they double click the file opens and they can make changes and save it the same as any other file on your computer, without having to download, open make changes and then upload again.
I am currently hoping I will be able to do this with Silverlight 5 trusted in browser, but I would like to know if there is any other possible ways to do this???
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您无法通过 SL4 实现您所概述的目标。您可以使用 SL5，但即使这样也需要在客户端上进行一些“设置”，这最好在组策略中提供。
您可能值得问问自己，如果您将系统要求限制为安装了 .NET 3.5 的 Windows 平台，会对您提供功能的能力产生什么影响。如果影响可以接受，那么您可以使用组策略来提供一个简单的 WPF 应用程序来完成这项工作，您现在就可以这样做。
You can't acheive what you have outlined with SL4. You can with SL5 but even that requires some "setup" on the client, which is best delivered in a Group Policy.
It might be worth you asking yourself what the impact would be on your ability to deliver the functionality if you limited your system requirements to Windows platforms with .NET 3.5 installed. If the impact is acceptable then you could use Group Policy to deliver a simple WPF app that does this job and you could that now.