在Eclipse的插件开发中，可以通过Platform来获取一些系统的路径和参数。
假定Eclipse的安装路径为：D:/Java/eclipse
创建的Workspace路径为：D:/Java/eclipse/workspace
Platform.getNL()：zh_CN
Platform.getWS()：win32
Platform.getOS()：win32
Platform.getOSArch()：x86
Platform.getStateStamp()：155
Platform.getUserLocation().getURL()：file:/D:/Profiles/windowsloginname/user/
Platform.getInstallLocation().getURL()：file:/d:/Java/eclipse/
Platform.getConfigurationLocation().getURL()：file:/d:/Java/eclipse/configuration/
Platform.getInstanceLocation().getURL()：file:/D:/Java/eclipse/workspace/
Platform.getLocation()：D:/Java/eclipse/workspace
Platform.getLocation().toOSString()：D:/Java/eclipse/workspace
Platform.getLogFileLocation()：D:/Java/eclipse/workspace/.metadata/.log
Platform.getLogFileLocation().toOSString()：D:/Java/eclipse/workspace/.metadata/.log
Platform.getPluginStateLocation(Platform.getPlugin("NamedPlugin"))：D:/Java/eclipse/workspace/.metadata/.plugins/NamedPlugin
Platform.getPlugin("NamedPlugin").getStateLocation()：D:/Java/eclipse/workspace/.metadata/.plugins/NamedPlugin
Platform.getPlugin("NamedPlugin").getDescriptor()：NamedPlugin_1.0.0
Platform.getPlugin("NamedPlugin").getDescriptor().getLabel()：Plug-in Name
Platform.getPlugin("NamedPlugin").getDescriptor().getProviderName()：ProviderName
Platform.getPlugin("NamedPlugin").getDescriptor().getUniqueIdentifier()：NamedPlugin
Platform.getPlugin("NamedPlugin").getDescriptor().getInstallURL()：platform:/plugin/NamedPlugin_1.0.0/
Platform.getPlugin("NamedPlugin").getDescriptor().getInstallURL().getPath()：/plugin/NamedPlugin_1.0.0/