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同一个第三方平台，里面有公众号及小程序授权，公众号和小程序都同时授权了，这时该如何设置获取unionId?

【请求地址】: https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=38_E1tuvxvJvLtUiNL7xSbFtH1dAhoEquWeN0lS82W7q5JBYz3trOZlD3Zbw_x_6yigzvKsBhFAvjPZkE1R1m7G46F1FNZlqt-rlBRqnvIvIlp8MKyUIETRdyn3L9jAJWxHGxIIrHUYv_6XOw0bTQEcAEDEBP 【请求参数】：{"action_name":"QR_STR_SCENE","expire_seconds":10800,"action_info":{"scene":{"scene_str":"gift_1298439407299280897"}}} 【响应数据】：{"ticket":"gQEw8TwAAAAAAAAAAS5odHRwOi8vd2VpeGluLnFxLmNvbS9xLzAyWkFTcmgyNDRkMjAxTEJ2dzF2Y1gAAgS1taBfAwQwKgAA","expire_seconds":10800,"url":"http:\/\/weixin.qq.com\/q\/02ZASrh244d201LBvw1vcX"} 根据产生的二维码，关注公众号。 {"allFieldsMap":{"CreateTime":"1604367805","EventKey":"","Event":"subscribe","ToUserName":"gh_23f2d6a925d5","FromUserName":"oBERCwMXSsoM612rWNOnPKok14Wk","MsgType":"event"},"createTime":"1604367805","event":"subscribe","eventKey":"","fromUser":"oBERCwMXSsoM612rWNOnPKok14Wk","hardWare":{},"msgType":"event","scanCodeInfo":{},"sendLocationInfo":{},"sendPicsInfo":{"picList":[]},"toUser":"gh_23f2d6a925d5"} EventKey中的值为空。

【请求地址】: https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=38_E1tuvxvJvLtUiNL7xSbFtH1dAhoEquWeN0lS82W7q5JBYz3trOZlD3Zbw_x_6yigzvKsBhFAvjPZkE1R1m7G46F1FNZlqt-rlBRqnvIvIlp8MKyUIETRdyn3L9jAJWxHGxIIrHUYv_6XOw0bTQEcAEDEBP 【请求参数】：{"action_name":"QR_STR_SCENE","expire_seconds":10800,"action_info":{"scene":{"scene_str":"gift_1298439407299280897"}}} 【响应数据】：{"ticket":"gQEw8TwAAAAAAAAAAS5odHRwOi8vd2VpeGluLnFxLmNvbS9xLzAyWkFTcmgyNDRkMjAxTEJ2dzF2Y1gAAgS1taBfAwQwKgAA","expire_seconds":10800,"url":"http:\/\/weixin.qq.com\/q\/02ZASrh244d201LBvw1vcX"} 回调参数如下： {"allFieldsMap":{"CreateTime":"1604367805","EventKey":"","Event":"subscribe","ToUserName":"gh_23f2d6a925d5","FromUserName":"oBERCwMXSsoM612rWNOnPKok14Wk","MsgType":"event"},"createTime":"1604367805","event":"subscribe","eventKey":"","fromUser":"oBERCwMXSsoM612rWNOnPKok14Wk","hardWare":{},"msgType":"event","scanCodeInfo":{},"sendLocationInfo":{},"sendPicsInfo":{"picList":[]},"toUser":"gh_23f2d6a925d5"}

https://www.qq.com/?sub_mch_id=1234567&out_trade_no=ABCDEFG&check_code=39f0876dd58e4eb61b66250f69d02705 跳转链接，可以传自已的参数吗？

[图片] 第三方平台开发的时候有部分网页扫码的需求，需要提供公众平台APPID，开发时不知道咋获取就给写死了，刚在整理流程的时候发现这里是可以用过域名传递APPID的，但无法提交，这个是需要怎么处理的？