this.data.setInterval = setInterval(this.timingPay, 1000 )

    }

  },

  //倒计时

  timingPay: function (){

    var nowTimestamp = (new Date()).valueOf();

    var orderCreateTimetamp = (new Date(this.data.orderDetail.orderCreateTime)).valueOf();

    var minTimetamp = 300000;

    orderCreateTimetamp = orderCreateTimetamp + minTimetamp;

    if (orderCreateTimetamp < nowTimestamp) {

      clearInterval(this.data.setInterval);

      this.setData({

        canPay: false

      })

    } else {

      var differenceTimetamp = (orderCreateTimetamp - nowTimestamp) / 1000;

      differenceTimetamp = parseInt(differenceTimetamp)

      this.data.setInterval = setInterval(this.timingPay, 1000)

      var minute = parseInt(differenceTimetamp / 60);

      var second = differenceTimetamp - minute * 60;

      this.setData({

        canPay: true,

        payTime: minute + ":" + second

      })

    }

  }

})