orderStr参数如下： 

 

my.tradePay({orderStr:res, // 完整的支付参数拼接成的字符串，从 alipay.fund.auth.order.app.freeze 接口获取success: (res) => {console.log('免押成功');console.log(JSON.stringify(res),'不是JOSN');console.log(JSON.stringify(res),'JSON');if (res.resultCode == 9000) {uni.redirectTo({url: '/pagesA/lease/lease?deviceNo=' + this.deviceNo +'&orderNo=' + orderNo})} else{uni.showToast({title:'免押失败',icon:'none'})}},fail: (res) => {console.log('免押失败');console.log(JSON.stringify(res),'不是JOSN');console.log(JSON.stringify(res),'JSON');uni.showToast({title:res.memo,icon:'none'})}});