'init'

src/utils/dateUtils.js

@@ -0,0 +1,75 @@
+/**
+ * 将毫秒，转换成时间字符串。例如说，xx 分钟
+ *
+ * @param ms 毫秒
+ * @returns {string} 字符串
+ */
+export function getDate(ms) {
+  const day = Math.floor(ms / (24 * 60 * 60 * 1000));
+  const hour =  Math.floor((ms / (60 * 60 * 1000) - day * 24));
+  const minute =  Math.floor(((ms / (60 * 1000)) - day * 24 * 60 - hour * 60));
+  const second =  Math.floor((ms / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - minute * 60));
+  if (day > 0) {
+    return day + "天" + hour + "小时" + minute + "分钟";
+  }
+  if (hour > 0) {
+    return hour + "小时" + minute + "分钟";
+  }
+  if (minute > 0) {
+    return minute + "分钟";
+  }
+  if (second > 0) {
+    return second + "秒";
+  } else {
+    return 0 + "秒";
+  }
+}
+
+export function beginOfDay(date) {
+  return new Date(date.getFullYear(), date.getMonth(), date.getDate());
+}
+
+export function endOfDay(date) {
+  return new Date(date.getFullYear(), date.getMonth(), date.getDate(), 23, 59, 59, 999);
+}
+
+export function betweenDay(date1, date2) {
+  date1 = convertDate(date1);
+  date2 = convertDate(date2);
+  // 计算差值
+  return Math.floor((date2.getTime() - date1.getTime()) / (24 * 3600 * 1000));
+}
+
+export function formatDate(date, fmt) {
+  date = convertDate(date);
+  const o = {
+    "M+": date.getMonth() + 1, //月份
+    "d+": date.getDate(), //日
+    "H+": date.getHours(), //小时
+    "m+": date.getMinutes(), //分
+    "s+": date.getSeconds(), //秒
+    "q+": Math.floor((date.getMonth() + 3) / 3), //季度
+    "S": date.getMilliseconds() //毫秒
+  };
+  if (/(y+)/.test(fmt)) { // 年份
+    fmt = fmt.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));
+  }
+  for (const k in o) {
+    if (new RegExp("(" + k + ")").test(fmt)) {
+      fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
+    }
+  }
+  return fmt;
+}
+
+export function addTime(date, time) {
+  date = convertDate(date);
+  return new Date(date.getTime() + time);
+}
+
+export function convertDate(date) {
+  if (typeof date === 'string') {
+    return new Date(date);
+  }
+  return date;
+}