feat: implement fromNowDate function for time difference calculation

Author: wxg0103

ui/src/layout/layout-header/avatar/AboutDialog.vue

@@ -18,9 +18,9 @@
         <span class="label">{{ $t('layout.about.expiredTime') }}</span>
         <span
         >{{ licenseInfo?.expired || '-' }}
-<!--          <span class="color-danger"-->
-<!--                v-if="licenseInfo?.expired && fromNowDate(licenseInfo?.expired)"-->
-<!--          >（{{ fromNowDate(licenseInfo?.expired) }}）</span>-->
+          <span class="color-danger"
+                v-if="licenseInfo?.expired && fromNowDate(licenseInfo?.expired)"
+          >（{{ fromNowDate(licenseInfo?.expired) }}）</span>
         </span
         >
       </div>
@@ -66,7 +66,7 @@
 <script setup lang="ts">
 import {ref, computed, watch} from 'vue'
 import licenseApi from '@/api/system/license'
-//import {fromNowDate} from '@/utils/time'
+import {fromNowDate} from '@/utils/time'
 import {Role} from '@/utils/permission/type'
 import useStore from '@/stores'
 import { t } from '@/locales'

ui/src/utils/time.ts

@@ -1,7 +1,8 @@
 import moment from 'moment'
 import 'moment/dist/locale/zh-cn'
+
 moment.locale('zh-cn')
-import { t } from '@/locales'
+import {t} from '@/locales'
 
 // 当天日期 YYYY-MM-DD
 export const nowDate = moment().format('YYYY-MM-DD')
@@ -41,3 +42,42 @@ export const dateFormat = (timestamp: any) => {
 
   return `${y}-${m}-${d}`
 }
+
+
+export function fromNowDate(time: any) {
+  // 拿到当前时间戳和发布时的时间戳，然后得出时间戳差
+  const curTime = new Date()
+  const futureTime = new Date(time)
+  const timeDiff = futureTime.getTime() - curTime.getTime()
+
+  // 单位换算
+  const min = 60 * 1000
+  const hour = min * 60
+  const day = hour * 24
+  const week = day * 7
+
+  // 计算发布时间距离当前时间的周、天、时、分
+  const exceedWeek = Math.floor(timeDiff / week)
+  const exceedDay = Math.floor(timeDiff / day)
+  const exceedHour = Math.floor(timeDiff / hour)
+  const exceedMin = Math.floor(timeDiff / min)
+
+  // 最后判断时间差到底是属于哪个区间，然后return
+  if (exceedWeek > 0) {
+    return ''
+  } else {
+    if (exceedDay < 7 && exceedDay > 0) {
+      return exceedDay + t('layout.time.daysLater')
+    } else {
+      if (exceedHour < 24 && exceedHour > 0) {
+        return exceedHour + t('layout.time.hoursLater')
+      } else {
+        if (exceedMin < 0) {
+          return t('layout.time.expired')
+        } else {
+          return t('layout.time.expiringSoon')
+        }
+      }
+    }
+  }
+}