IOS获取当前版本号 Bundle ID等信息的方法

1：获取bundle Id信息：[[NSBundle mainBundle]bundleIdentifier]；

2：获取版本号：[[[NSBundle mainBundle]infoDictionary] objectForKey:@"CFBundleShortVersionString"];

3：获取build号：[[[NSBundle mainBundle]infoDictionary] objectForKey:@"CFBundleVersion"];

4：获取App显示名：[[[NSBundle mainBundle]infoDictionary] objectForKey:@"CFBundleDisplayName"];

其实 [[NSBundle mainBundle]infoDictionary] 获得的是一个字典，里边放着Info.plist文件中的各种信息，根据不同的键去即可，如：

 CFBundleDevelopmentRegion 

  CFBundleDisplayName 

  CFBundleExecutable

  CFBundleExecutablePath

  CFBundleIdentifier

  CFBundleInfoDictionaryVersion = "6.0";

  CFBundleInfoPlistURL

  CFBundleName

  CFBundlePackageType 

  CFBundleShortVersionString

  CFBundleSignature 

 CFBundleSupportedPlatforms

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