是否可以从小程序读/写文件 [英] Is it possible to read/write a file from an applet

问题描述

我试图从小程序读取和写入文件，所以如果我从我的小程序查看器运行小程序，我可以读取/写入文件，但是当我尝试从浏览器执行此操作时，我获得了安全性例外.知道如何做到这一点吗?

I've trying to read and write a file from an applet so if I run the applet from my appletviewer it is possible for me to read/write a file but when I try to do it from my browser I get a security exception. Any idea how to do this?

推荐答案

是否可以从小程序读取/写入文件

可以，但您需要对小程序进行签名并获得用户的批准.

Yes, but you need to sign the applet and get approval from the user.

一些有用的链接:

• Applet 如何读取本地文件系统上的文件(来自 coderanch.com)
• Essentials，第 1 部分，第 6 课:文件访问和权限(来自 oracle)
• 第 10 章:签名小程序(来自 oracle)

• How can an Applet read files on the local file system (from coderanch.com)
• Essentials, Part 1, Lesson 6: File Access and Permissions (from oracle)
• Chapter 10: Signed Applets (from oracle)

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