XWCountryCodeController *CountryCodeVC = [[XWCountryCodeController alloc] init];
//block
[CountryCodeVC toReturnCountryCode:^(NSString *countryCodeStr) {
//[self.countryCodeLB setText:countryCodeStr];
NSArray *array = [countryCodeStr componentsSeparatedByString:@"+"];
[self.topBtn setTitle:array[0] forState:UIControlStateNormal];
NSRange range = [countryCodeStr rangeOfString:@"+"];
NSString *str2 = [countryCodeStr substringFromIndex:range.location];
[self.numberLabel setText:str2];
}];
