如何为小程序提供在文件系统上写入的访问权限 [英] how to provide access permission for applet to write on file system

问题描述

我在为小程序设置策略文件时遇到问题.我是第一次这样做，不知道如何在 java 中为小程序设置策略文件.实际上我想授予小程序在文件系统.为此，我必须向小程序授予文件权限

I have problem in setup of policy file for applet.I am doing this first time and don't know how to set the policy file for applet in java.Actually I want to give the permission to the applet to write on the file system. for Which I will have to give file permission to the applet

所以我创建了一个名为 .java.policy 的文件并将以下代码放入其中

So I make a file named .java.policy and and put the following code in it

grant codeBase "file:/C://res/applet/*" {
permission java.io.FilePermission "C:\\res\\applet\\test.txt", "read, write";
};

并将其保存在 users\jindal 文件夹中，现在我将 JAVA_HOME 设置为c:\用户\金达尔

and save this in users\jindal folder now i set the JAVA_HOME as c:\users\jindal

但我还是发现了一个例外

but still I found the exception that

java.security.AccessControlException:访问被拒绝 (java.io.FilePermissionC:\res\applet\test.txt 写入)

java.security.AccessControlException: access denied (java.io.FilePermission C:\res\applet\test.txt write)

任何机构都可以帮助我出了什么问题或我该怎么办

can any body please help what is wrong or what should i do

推荐答案

请到下面的小程序签名链接

Please Go to The below link for Signing applet

http://java.sun.com/developer/onlineTraining/编程/JDCBook/signed.html

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