增加函数：formatDateShort

src/utils/tools.js

@@ -148,6 +148,29 @@ export function formatDate(date){
   	return newTime;
 
 }
+
+/**
+ * 把日期格式化为显示时间，yyyy-MM-dd
+ * @param {Object} date
+ */
+export function formatDateShort(date){
+  	var year = date.getFullYear(),
+        month = date.getMonth() + 1,//月份是从0开始的
+        day = date.getDate(),
+        hour = date.getHours(),
+        min = date.getMinutes(),
+        sec = date.getSeconds();
+    if(month<10){month='0'+month}
+    if(day<10){day='0'+day}
+    if(hour<10){hour='0'+hour}
+    if(min<10){min='0'+min}
+    if(sec<10){sec='0'+sec}
+  	var newTime = year + '-' + month + '-' + day;
+  	return newTime;
+
+}
+
+
 export function numberToLetter(x){ //此方法和移到utils中去
     let s = "";
     while (x > 0) {