修改商品详情

@@ -24,6 +24,28 @@ function hiddenTips($ele) {
     }
 }
 
+function add0(m) {
+    return m < 10 ? '0' + m : m;
+}
+
+function formatDate(shijianchuo) {
+    // 秒数
+    let second = Math.floor(shijianchuo);
+
+    // 小时位
+    let hr = Math.floor(second / 3600);
+
+    // 分钟位
+    let min = Math.floor((second - hr * 3600) / 60);
+
+    // 秒位
+    let sec = (second - hr * 3600 - min * 60);
+
+    return add0(hr) + ':' + add0(min) + ':' + add0(sec);
+}
+
+let timer;
+
 class Detail extends Page {
     constructor() {
         super();
@@ -36,6 +58,7 @@ class Detail extends Page {
         this.getIntro();
         this.goSwiper();
         this.toTop();
+        this.startTimer();
     }
 
     getIntro() {
@@ -145,6 +168,29 @@ class Detail extends Page {
             }
         });
     }
+    startTimer() {
+        let list = [];
+        let activityGroupDetailList = document.querySelectorAll('.left-time');
+
+        for (let item of activityGroupDetailList) {
+            list.push(item.getAttribute('data-value'));
+        }
+        timer = setInterval(function() {
+            for (let i = 0; i < activityGroupDetailList.length; i++) {
+                list[i] = Number(list[i]) - 1;
+                if (list[i]) {
+                    activityGroupDetailList[i].innerText = formatDate(list[i]);
+                } else {
+                    clearInterval(timer);
+                    window.reload();
+                }
+            }
+        }, 1000);
+    }
+
+    stopTimer() {
+        clearInterval(timer);
+    }
 }
 $(() => {
     new Detail();