倒计时问题修正

@@ -9,8 +9,6 @@ const SHOW_DETAIL = 'show_detail';
 const SHOW_EXPRESS = 'show_express';
 import event from '../../utils/event';
 
-let interval;
-
 Component({
   /**
    * 组件的属性列表
@@ -47,7 +45,6 @@ attached: function () {
   let that = this;
   if (that.data.buttons){
     let lastIndex = that.data.buttons.length - 1;
-    console.log("lastIndex===" + lastIndex);
     that.setData({ lastIndex: lastIndex });
   }
 
@@ -56,7 +53,8 @@ attached: function () {
     let timer = that.data.timer;
 
     if (timer > 0){
-      interval = setInterval(() => {
+      this.data.interval && clearInterval(this.data.interval);
+      this.data.interval = setInterval(() => {
         timer = timer - 1;
         leftTime = formatTimeByMin(timer, 'm:s');
         if (timer <= 0) {
@@ -64,7 +62,7 @@ attached: function () {
           setTimeout(() => {
             event.emit('refresh-order');
           }, 2000);
-          clearInterval(interval);
+          clearInterval(this.data.interval);
         }
         that.setData({
           lefttime: leftTime,
@@ -77,8 +75,8 @@ attached: function () {
 },
 
 detached: function () {
-  if (interval){
-    clearInterval(interval);
+  if (this.data.interval){
+    clearInterval(this.data.interval);
   }
 },
 

@@ -10,7 +10,6 @@ import Yas from '../../utils/yas';
 const BUY_AGAIN = 'buy_again';
 const NOW_BUY = 'now_buy';
 const SHOW_EXPRESS = 'show_express';
-let interval;
 
 let yas;
 
@@ -28,7 +27,8 @@ Page({
     orderCode: '',
     cancelConfirm: false,
     cancelOrderCode: '',
-    navBack: 1
+    navBack: 1,
+    interval: ''
   },
 
   /**
@@ -64,8 +64,8 @@ Page({
    * 生命周期函数--监听页面隐藏
    */
   onHide: function () {
-    if (interval) {
-      clearInterval(interval);
+    if (this.data.interval) {
+      clearInterval(this.data.interval);
     }
   },
 
@@ -73,8 +73,8 @@ Page({
    * 生命周期函数--监听页面卸载
    */
   onUnload: function () {
-    if (interval) {
-      clearInterval(interval);
+    if (this.data.interval) {
+      clearInterval(this.data.interval);
     }
   },
 
@@ -135,7 +135,9 @@ Page({
           that.setData({
             timer: formatTimeByMin(leftTime, 'm:s')
           });
-          interval = setInterval(() => {
+
+          this.data.interval && clearInterval(this.data.interval);
+          this.data.interval = setInterval(() => {
             leftTime = leftTime - 1;
             timer = formatTimeByMin(leftTime, 'm:s');
             if (leftTime <= 0) {
@@ -143,7 +145,7 @@ Page({
               setTimeout(() => {
                 that.fetchOrderDetail(code);
               }, 2000);
-              clearInterval(interval);
+              clearInterval(this.data.interval);
             }
             that.setData({
               timer: timer,