//获取iOS设备的各种信息           NSString *device_token = [[[UIDevice currentDevice] identifierForVendor] UUIDString];      NSString *device_os = [[UIDevice currentDevice] systemVersion];      //包含28个Key/Value      NSDictionary *infoDic = [[NSBundle mainBundle] infoDictionary];      NSString *currentVersion = [infoDic objectForKey:@"CFBundleShortVersionString"];