初始化项目

src/util/date.js

@@ -0,0 +1,51 @@
+export const calcDate = (date1, date2) => {
+  let date3 = date2 - date1;
+
+  let days = Math.floor(date3 / (24 * 3600 * 1000))
+
+  let leave1 = date3 % (24 * 3600 * 1000) //计算天数后剩余的毫秒数
+  let hours = Math.floor(leave1 / (3600 * 1000))
+
+  let leave2 = leave1 % (3600 * 1000) //计算小时数后剩余的毫秒数
+  let minutes = Math.floor(leave2 / (60 * 1000))
+
+  let leave3 = leave2 % (60 * 1000) //计算分钟数后剩余的毫秒数
+  let seconds = Math.round(date3 / 1000)
+  return {
+    leave1,
+    leave2,
+    leave3,
+    days: days,
+    hours: hours,
+    minutes: minutes,
+    seconds: seconds,
+  }
+}
+
+/**
+ * 日期格式化
+ */
+export function dateFormat(date, format) {
+  format = format || 'yyyy/MM/dd hh:mm:ss';
+  if (date !== 'Invalid Date') {
+    let o = {
+      "M+": date.getMonth() + 1, //month
+      "d+": date.getDate(), //day
+      "h+": date.getHours(), //hour
+      "m+": date.getMinutes(), //minute
+      "s+": date.getSeconds(), //second
+      "q+": Math.floor((date.getMonth() + 3) / 3), //quarter
+      "S": date.getMilliseconds() //millisecond
+    }
+    if (/(y+)/.test(format)) format = format.replace(RegExp.$1,
+      (date.getFullYear() + "").substr(4 - RegExp.$1.length));
+    for (let k in o)
+      if (new RegExp("(" + k + ")").test(format))
+        format = format.replace(RegExp.$1,
+          RegExp.$1.length === 1 ? o[k] :
+            ("00" + o[k]).substr(("" + o[k]).length));
+    return format;
+  }
+  return '';
+
+}