https://developers.weixin.qq.com/doc/oplatform/Mobile_App/Launching_a_Mini_Program/iOS_Development_example.html

iOS端APP拉起微信小程序提示bad_paramBOOL isOK = [WXApi registerApp:MpAppid universalLink:MpLinks];

        NSLog(@"links=====>%d",isOK);

        /*! @brief WXLaunchMiniProgramReq对象, 可实现通过sdk拉起微信小程序

         *

         * @note 返回的WXLaunchMiniProgramReq对象是自动释放的

         */

        WXLaunchMiniProgramReq *launchMiniProgramReq = [WXLaunchMiniProgramReq object];

        //拉起的小程序的username（小程序的原始ID）

        launchMiniProgramReq.userName = MpRawId;

        //拉起小程序页面的可带参路径，不填默认拉起小程序首页，对于小游戏，可以只传入 query 部分，来实现传参效果，如：传入 "?foo=bar"。

        NSDictionary *infoDic = [NSDictionary dictionaryWithDictionary:info];

        NSString *orderNo = strFormat([infoDic valueForKey:@"orderid"]);

        NSString *moneyStr = strFormat([apDic valueForKey:@"money"]);

#warning rk_ 参数

//        NSString *urlPath = [NSString stringWithFormat:@"pages/request-payment/request-payment?money=%@&orderno=%@",[self encodeString:moneyStr],[self encodeString:orderNo]];

//        NSString *urlPath = [NSString stringWithFormat:@"pages/request-payment/request-payment"];

        launchMiniProgramReq.path = @"";

        //拉起小程序的类型

        launchMiniProgramReq.miniProgramType = 2;//WXMiniProgramTypeRelease;

        [WXApi sendReq:launchMiniProgramReq completion:^(BOOL success) {

            [MBProgressHUD hideHUD];

            NSLog(@"拉起小程序结果=%d",success);

        }];