项目 获取当前版本信息

//  版本检测
//  版本信息
NSString *systemVersion = [[UIDevice currentDevice] systemVersion];
NSString *systemModel = [[UIDevice currentDevice] model];   //  是iPhone还是iPad
NSDictionary *dic = [[NSBundle mainBundle] infoDictionary]; //  获取info-plist
NSString *appName = [dic objectForKey:@"CFBundleIdentifier"];   //  获取Bundle identifier
NSString *appVersion = [dic valueForKey:@"CFBundleIdentifier"]; //  获取Bundle Version
NSDictionary *userInfo = [[NSDictionary alloc] initWithObjectsAndKeys:
systemVersion, @"systemVersion",
systemModel, @"systemModel",
appName, @"appName",
appVersion, @"appVersion", nil];
NSLog(@"%@", userInfo);
//  版本号
NSDictionary *infoDic = [[NSBundle mainBundle] infoDictionary];
self.version = [infoDic objectForKey:(id)kCFBundleVersionKey];
NSLog(@"heheh%@", self.version);