why_in_h5/pages/category/index.vue

<template>
  <view class="container">
    <!-- 搜索框 -->
    <search class="search" tips="搜索商品" @event="$navTo('pages/search/index')" />
	
	  <view class="secondary">
		<!-- 二级分类 20 -->
		<view class="cate-content">
		  <!-- 左侧 一级分类 -->
		  <scroll-view class="cate-left" :scroll-y="true" :style="{ height: `${scrollHeight}px` }">
<!-- 			<text class="type-nav" :class="{ selected: curIndex == index }" v-for="(item, index) in list" :key="index"
			  @click="handleSelectNav(index)">{{ item.name }}</text> -->
			  <text>文化资源数据</text>
			  <text>文化数字内容</text>
		  </scroll-view>
		  <!-- 右侧 二级分类 -->
		  <scroll-view class="cate-right" :scroll-top="scrollTop" :scroll-y="true" :style="{ height: `${scrollHeight}px` }">
			<view v-if="list[curIndex]" class="cate-right-cont">
			  <view class="cate-two-box">
				<view class="cate-cont-box">
				  <view class="flex-three" v-for="(item, idx) in list[curIndex].children" :key="idx" @click="onTargetGoodsList(item.category_id)">
					<view class="cate-img-padding">
					  <view v-if="item.image" class="cate-img">
						<image class="image" mode="scaleToFill" :src="item.image.preview_url"></image>
					  </view>
					</view>
					<text class="name oneline-hide">{{ item.name }}</text>
				  </view>
				</view>
			  </view>
			</view>
		  </scroll-view>
		</view>
		<empty v-if="!list.length" />
	  </view>

  </view>
</template>

<script>
  import MescrollCompMixin from '@/components/mescroll-uni/mixins/mescroll-comp'
  import { setCartTabBadge } from '@/core/app'
  import SettingKeyEnum from '@/common/enum/setting/Key'
  import { PageCategoryStyleEnum } from '@/common/enum/store/page/category'
  import SettingModel from '@/common/model/Setting'
  import * as CategoryApi from '@/api/category'
  import Empty from '@/components/empty'
  import Search from '@/components/search'
  import Primary from './components/primary'
  import Secondary from './components/secondary'
  import Commodity from './components/commodity'

  // 最后一次刷新时间
  let lastRefreshTime;

  export default {
    components: {
      Search,
      Empty,
      Primary,
      Secondary,
      Commodity
    },
    mixins: [MescrollCompMixin],
    data() {
      return {
        // 枚举类
        PageCategoryStyleEnum,
        // 分类列表
        list: [],
        // 分类模板设置
        setting: {},
        // 正在加载中
        isLoading: true
      }
    },

    /**
     * 生命周期函数--监听页面加载
     */
    onLoad() {
      // 加载页面数据
      this.onRefreshPage()
    },

    /**
     * 生命周期函数--监听页面显示
     */
    onShow() {
      // 每间隔5分钟自动刷新一次页面数据
      const curTime = new Date().getTime()
      if ((curTime - lastRefreshTime) > 5 * 60 * 1000) {
        this.onRefreshPage()
      }
    },
    methods: {

      // 刷新页面
      onRefreshPage() {
        // 记录刷新时间
        lastRefreshTime = new Date().getTime()
        // 获取页面数据
        this.getPageData()

      },

      // 获取页面数据
      getPageData() {
        const app = this
        app.isLoading = true
        Promise.all([
            // 获取分类模板设置
            // 优化建议: 可以将此处的false改为true 启用缓存
            // SettingModel.data(false),
            // 获取分类列表
            // CategoryApi.list()
          ])
          .then(result => {
            // 初始化分类模板设置
            // app.initSetting(result[0])
            // 初始化分类列表数据
            // app.initCategory(result[1])
          })
          .finally(() => app.isLoading = false)
      },

      /**
       * 初始化分类模板设置
       * @param {Object} result
       */
      initSetting(setting) {
        this.setting = setting[SettingKeyEnum.PAGE_CATEGORY_TEMPLATE.value]
      },

      /**
       * 初始化分类列表数据
       * @param {Object} result
       */
      initCategory(result) {
        this.list = result.data.list
      },

    },

    /**
     * 设置分享内容
     */
    onShareAppMessage() {
      const app = this
      return {
        title: _this.templet.shareTitle,
        path: '/pages/category/index?' + app.$getShareUrlParams()
      }
    },

    /**
     * 分享到朋友圈
     * 本接口为 Beta 版本，暂只在 Android 平台支持，详见分享到朋友圈 (Beta)
     * https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/share-timeline.html
     */
    onShareTimeline() {
      const app = this
      return {
        title: _this.templet.shareTitle,
        path: '/pages/category/index?' + app.$getShareUrlParams()
      }
    }

  }
</script>

<style>
  page {
    background: #fff;
  }
</style>
<style lang="scss" scoped>
  // 搜索框
  .search {
    position: fixed;
    top: var(--window-top);
    left: var(--window-left);
    right: var(--window-right);
    z-index: 9;
  }
</style>