caimei-applets-caimei/market/pages/index/index.vue

<template>
	<view class="content"  :style="{paddingBottom:isIphoneX?'140rpx':'98rpx',marginTop:CustomBar+'px'}">
		<cu-custom :navbar-data='nvabarData'></cu-custom>
		<!-- 采美采购商城 -->
		<view :style="{'display':show_index == 0 ?'block':'none'}">
			<seller-home  ref="home"></seller-home>
		</view>
		<!-- 商品分类 -->
		<view :style="{'display':show_index == 1? 'block':'none'}">
			<seller-category  ref="category" v-if="isCategory"></seller-category>
		</view>
		<!-- 账户中心 -->
		<view :style="{'display':show_index == 2 ?'flex':'none'}">
			<seller-user  ref="user" v-if="isUserData"></seller-user>
		</view>
		<!-- isIphoneX判断是否为刘海屏在main.js里，好像uniapp有一个css变量获取刘海屏的安全区域 -->
		<view class="tabBar" :style="{height:isIphoneX?'140rpx':'98rpx'}">
			<!-- 导航的中间圆圈 --> 
			<view class="tabBar_list" :style="{paddingBottom:isIphoneX?'40rpx':''}">
				<view v-for="(item) in tab_nav_list" :key="item.id" class="tabBar_item" @tap="cut_index(item.id)">
					<image v-if="show_index == item.id" :src="`../../../static/${item.id+1}${item.id+1}.png`"></image>
					<image v-else :src="`../../../static/${item.id+1}.png`"></image>
					<view :class="{'tabBar_name':true,'nav_active':show_index == item.id}">{{item.name}}</view>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	import sellerHome from '@/components/seller/home.vue'
	import sellerUser from '@/components/seller/user.vue'
	import sellerCategory from '@/components/seller/category.vue'
	export default {
		components: {
			sellerHome,//采美采购商城 0
			sellerUser,//账户中心     1
			sellerCategory,//商品分类 2
		},
		data() {
			return {
				show_index:0,//控制显示那个组件
				isUserData: false,
				isCategory: false,
				isHomeData: false,
				tab_nav_list :[//菜单列表
					{'id':0,'name':'首页'},
					{'id':1,'name':'分类'},
					{'id':2,'name':'我的'}
				],
				nvabarData: {		//顶部自定义导航
					showCapsule: 0, // 是否显示左上角图标  1表示显示  0表示不显示,
					showSearch: 0,
					title: '采美采购商城',  // 导航栏 中间的标题
				},
				isIphoneX:this.$store.state.isIphoneX,
				CustomBar:this.CustomBar,// 顶部导航栏高度
			}
		},
		onLoad() {
			this.isIphoneX = this.$is_bang
			this.$nextTick(function(){// 一定要等视图更新完再调用方法
				setTimeout(function(){
					this.isHomeData= true//初次加载第一个页面的请求数据
				},100)
			})
			console.log("是否为刘海屏",this.isIphoneX ) 
		},
		methods: {
			// 切换组件
			cut_index(type){
				this.show_index = type
				if(this.show_index == 0){
					this.isHomeData= true
					this.nvabarData.title = '采美采购商城'
				}else if(this.show_index == 1){
					this.isCategory = true
					this.nvabarData.title = '商品分类'
				}else if(this.show_index == 2){
					this.isUserData = true
					this.nvabarData.title = '账户中心'
				}
			},
			onPullDownRefresh(){
				if(this.show_index == 0){
					this.$refs.home.getCheekeyCode()
				}else if(this.show_index == 2){
					this.$refs.user.initData()
				}
				uni.stopPullDownRefresh()
			}
		}
	}
</script>

<style lang="scss">
	.content{
		background: #FFFFFF;
	}
	.tabBar{ 
		width:100%;
		height: 98rpx;
		background: #fff;
		border-top:1px solid #E5E5E5;
		position: fixed;
		bottom:0px;
		left:0px;
		right:0px;
		display: flex;
		align-items: center;
		justify-content: center;
		.tabBar_list{ 
			width:86%;
			display: flex;
			justify-content: space-between;
			image{ 
				width:48rpx;
				height: 48rpx;
				margin-bottom:2rpx
			}
			.tabBar_item{ 
				width:68rpx;
				display: flex;
				justify-content: center;
				align-items: center;
				flex-direction: column;
				font-size: 20rpx;
				color: #999999;
			}
		 } 
	}
	.nav_active{
		color: $color-system;
	}
</style>