.m

- (void)chatWithQQ:(NSString *)qq {
    if (!qq.length) {
        [SVProgressHUD showInfoWithStatus:@"QQ号码不存在"];
        return;
    }
    if (![[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"mqq://"]]) {
        [SVProgressHUD showInfoWithStatus:@"您尚未安装QQ应用"];
        return;
    }
    NSString *url = [NSString stringWithFormat:@"mqq://im/chat?chat_type=wpa&uin=%@&version=1&src_type=web", qq];
    [self openScheme:url];
}