app/sheep/components/s-layout/s-layout.vue

<template>
  <view class="page-app" :class="['theme-' + sys?.mode, 'main-' + sys?.theme, 'font-' + sys?.fontSize]">
    <view class="page-main" :style="[bgMain]">
      <!-- 顶部导航栏-情况1：默认通用顶部导航栏 -->
      <su-navbar v-if="navbar === 'normal'" :title="title" statusBar :color="color" :tools="tools"
        :opacityBgUi="opacityBgUi" @search="(e) => emits('search', e)" :defaultSearch="defaultSearch" />

      <!-- 顶部导航栏-情况2：装修组件导航栏-标准 -->
      <s-custom-navbar v-else-if="navbar === 'custom' && navbarMode === 'normal'" :data="navbarStyle"
        :showLeftButton="showLeftButton" />
      <view class="page-body" :style="[bgBody]">
        <!-- 顶部导航栏-情况3：沉浸式头部 -->
        <su-inner-navbar v-if="navbar === 'inner'" :title="title" />
        <view v-if="navbar === 'inner'" :style="[{ paddingTop: sheep?.$platform?.navbar + 'px' }]"></view>

        <!-- 顶部导航栏-情况4：装修组件导航栏-沉浸式 -->
        <s-custom-navbar v-if="navbar === 'custom' && navbarMode === 'inner'" :data="navbarStyle"
          :showLeftButton="showLeftButton" />

        <!-- 页面内容插槽 -->
        <slot />

        <!-- 底部导航 -->
        <s-tabbar v-if="tabbar !== ''" :path="tabbar" />
      </view>
    </view>

    <view class="page-modal">
      <!-- 全局授权弹窗 -->
      <s-auth-modal />
      <!-- 全局分享弹窗 -->
      <s-share-modal :shareInfo="shareInfo" />
      <!-- 全局快捷入口 -->
      <s-menu-tools />
    </view>
  </view>
</template>

<script setup>
/**
 * 模板组件 - 提供页面公共组件，属性，方法
 */
import { computed, onMounted } from 'vue';
import sheep from '@/sheep';
import { isEmpty } from 'lodash-es';
// #ifdef MP-WEIXIN
import { onShareAppMessage, onShareTimeline } from '@dcloudio/uni-app';
// #endif

const props = defineProps({
  title: {
    type: String,
    default: '',
  },
  navbar: {
    type: String,
    default: 'normal',
  },
  opacityBgUi: {
    type: String,
    default: 'bg-white',
  },
  color: {
    type: String,
    default: '',
  },
  tools: {
    type: String,
    default: 'title',
  },
  keyword: {
    type: String,
    default: '',
  },
  navbarStyle: {
    type: Object,
    default: () => ({
      styleType: '',
      type: '',
      color: '',
      src: '',
      list: [],
      alwaysShow: 0,
    }),
  },
  bgStyle: {
    type: Object,
    default: () => ({
      src: '',
      color: 'var(--ui-BG-1)',
    }),
  },
  tabbar: {
    type: [String, Boolean],
    default: '',
  },
  onShareAppMessage: {
    type: [Boolean, Object],
    default: true,
  },
  leftWidth: {
    type: [Number, String],
    default: 100,
  },
  rightWidth: {
    type: [Number, String],
    default: 100,
  },
  defaultSearch: {
    type: String,
    default: '',
  },
  //展示返回按钮
  showLeftButton: {
    type: Boolean,
    default: false,
  },
});
const emits = defineEmits(['search']);

const sysStore = sheep.$store('sys');
const userStore = sheep.$store('user');
const appStore = sheep.$store('app');
const modalStore = sheep.$store('modal');
const sys = computed(() => sysStore);

// 导航栏模式(因为有自定义导航栏 需要计算)
const navbarMode = computed(() => {
  if (props.navbar === 'normal' || props.navbarStyle.styleType === 'normal') {
    return 'normal';
  }
  return 'inner';
});

// 背景1
const bgMain = computed(() => {
  if (navbarMode.value === 'inner') {
    return {
      background: `${props.bgStyle.backgroundColor || props.bgStyle.color} url(${sheep.$url.cdn(
        props.bgStyle.backgroundImage,
      )}) no-repeat top center / 100% auto`,
    };
  }
  return {};
});

// 背景2
const bgBody = computed(() => {
  if (navbarMode.value === 'normal') {
    return {
      background: `${props.bgStyle.backgroundColor || props.bgStyle.color} url(${sheep.$url.cdn(
        props.bgStyle.backgroundImage,
      )}) no-repeat top center / 100% auto`,
    };
  }
  return {};
});

// 分享信息
const shareInfo = computed(() => {
  console.log('props.onShareAppMessage', props.onShareAppMessage);
  if (props.onShareAppMessage === true) {
    return sheep.$platform.share.getShareInfo();
  } else {
    if (!isEmpty(props.onShareAppMessage)) {
      sheep.$platform.share.updateShareInfo(props.onShareAppMessage);
      return props.onShareAppMessage;
    }
  }
  return {};
});

// #ifdef MP-WEIXIN
uni.showShareMenu({
  withShareTicket: true,
  menus: ['shareAppMessage', 'shareTimeline'],
});
// 微信小程序分享好友
onShareAppMessage(() => {
  return {
    title: shareInfo.value.title,
    path: shareInfo.value.forward.path,
    imageUrl: shareInfo.value.image,
  };
});
// 微信小程序分享朋友圈
onShareTimeline(() => {
  return {
    title: shareInfo.value.title,
    query: shareInfo.value.forward.path,
    imageUrl: shareInfo.value.image,
  };
});
// #endif

// 组件中使用 onMounted 监听页面加载，不是页面组件不使用 onShow
onMounted(() => {
  if (!isEmpty(shareInfo.value)) {
    sheep.$platform.share.updateShareInfo(shareInfo.value);
  }
})
</script>

<style lang="scss" scoped>
.page-app {
  position: relative;
  color: var(--ui-TC);
  background-color: var(--ui-BG-1) !important;
  z-index: 2;
  display: flex;
  width: 100%;
  height: 100vh;

  .page-main {
    position: absolute;
    z-index: 1;
    width: 100%;
    min-height: 100%;
    display: flex;
    flex-direction: column;

    .page-body {
      width: 100%;
      position: relative;
      z-index: 1;
      flex: 1;
    }

    .page-img {
      width: 100vw;
      height: 100vh;
      position: absolute;
      top: 0;
      left: 0;
      z-index: 0;
    }
  }
}
</style>