纪念日调整

components/countdown/countdown.js

@@ -0,0 +1,41 @@
+function setTwo(num){ return num<10 ? ('0'+num) : (''+num); };
+export default class CountDown{
+    constructor(t){
+        if(t instanceof Array){
+            this.time =new Date().getTime()+ (new Date(t[1]).getTime() - new Date(t[0]).getTime());
+        }else{
+            this.time =/\//gi.test(t.toString()) ? (new Date(t).getTime()) : ( new Date().getTime()+parseInt(t));
+        }
+    }
+    timeOut (fn,t) {
+        let _now = new Date().getTime(),
+            json={},
+            count = Math.round((this.time - _now)/1000);
+        if(count <= 0) {
+            json = {day :'00',hour :'00',min  :'00',sec :'00',ms :'00'}
+            fn.call(this, json)
+            this.endFn && this.endFn.call(this, json)
+            return;
+        };
+        json = {
+            day  : setTwo(Math.floor(count/86400)),  //天数
+            hour : setTwo(Math.floor(count/ (60 * 60) % 24 )), //小时
+            min  : setTwo(Math.floor(count/60 % 60)), //分钟
+            sec  : setTwo(Math.floor(count%60)), //秒
+            ms   : setTwo((this.time - _now)%1000).substr(0,2) //豪秒
+        };
+        let _end = new Date().getTime();
+        let _diff = _now - _end; //误差
+        fn.call(this, json);
+        setTimeout(function(that){
+            that.timeOut(fn,t)
+        }, t ? (t) : 1000 - _diff,this)
+    }
+    end(fn){
+        this.endFn = fn;
+    }
+    run(fn,t){
+        this.timeOut(fn,t);
+        return this
+    }
+};