init

src/utils/date.js

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+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 '';
+}
+
+/**
+ * 当前时间戳
+ */
+export function dateNow() {
+  return dateFormat(new Date(), 'yyyyMMddhhmmss');
+}