if (wx.openBusinessView) {
                wx.openBusinessView({
                  businessType: 'wxpayScoreUse',
                  extraData: {
                    mch_id: 'xxxxx',
                    package: res.data.package,
                    timestamp: res.data.timestamp,
                    nonce_str: res.data.nonce_str,
                    sign_type: res.data.sign_type,
                    sign: res.data.sign
                  },
                  envVersion: 'release',
                  success(e) {
                    debugger
                    console.log("111")
                    //dosomething
                  },
                  fail(e) {
                    debugger
                    console.log("222")
                    //dosomething
                  },
                  complete() {
                    //dosomething
                  }
                });
              } else {
                //引导用户升级微信版本
              }

创建完订单，去调用支付分小程序