mes_mobile/components/customTabBar/index.vue

148 lines
3.2 KiB
Vue

<template>
<view class="tabbar-container">
<block>
<!-- 针对中间的导航栏 通过true来判断控制类名和样式 -->
<view class="tabbar-item" v-for="(item, index) in tabbarList" :class="[item.centerItem ? 'center-item' : '']" @click="changeItem(item)" :key="index">
<view class="item-top">
<image :src="currentItem == item.id ? item.selectIcon : item.icon"></image>
</view>
<!-- 通过三元判断控制类名 达到控制选中和未选中的样式 -->
<view class="item-bottom" :class="[currentItem == item.id ? 'item-active' : '']">
<text>{{ item.text }}</text>
</view>
</view>
</block>
</view>
</template>
<script>
// 组件的书写符合easycom规范 无需引入直接使用
export default {
props: {
currentPage: {
type: Number,
default: 0
}
},
data () {
return {
currentItem: 0,
tabbarList: [
{
id: 0,
path: '/pages/index/index',
icon: '/static/logo.png',
selectIcon: '/static/logo.png',
text: '首页',
centerItem: false
},
{
id: 1,
path: '/pages/person/person',
// icon: '/static/logo.png',
// selectIcon: '/static/logo.png',
text: '扫一扫',
// 通过类名class控制样式大小
centerItem: true
},
{
id: 2,
path: '/pages/person/person',
icon: '/static/logo.png',
selectIcon: '/static/logo.png',
text: '我的',
centerItem: false
}
]
}
},
mounted () {
this.currentItem = this.currentPage
// 隐藏原来的tabBar导航栏
uni.hideTabBar()
},
methods: {
changeItem (item) {
let _this = this
//_this.currentItem = item.id;
uni.switchTab({
url: item.path
})
}
}
};
</script>
<style lang="scss" scope>
view {
padding: 0;
margin: 0;
box-sizing: border-box;
}
.tabbar-container {
position: fixed;
bottom: 0rpx;
left: 0rpx;
width: 100%;
height: 110rpx;
box-shadow: 0 0 5px #999;
display: flex;
align-items: center;
padding: 5rpx 0;
color: #999999;
/* 针对tabbar的统一处理 */
.tabbar-item {
width: 33.33%;
height: 100rpx;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
text-align: center;
.item-top {
width: 70rpx;
height: 70rpx;
padding: 10rpx;
image {
width: 100%;
height: 100%;
}
}
// 未被选中的导航栏字体
.item-bottom {
font-size: 12px;
width: 100%;
}
// 被选中的导航栏字体
.item-active {
color: #fff;
}
}
// 最中间的tabbar导航栏
.center-item {
display: block;
position: relative;
.item-top {
flex-shrink: 0;
width: 100rpx;
height: 100rpx;
position: absolute;
top: -50rpx;
left: calc(50% - 50rpx);
border-radius: 50%;
box-shadow: 0 0 5px #999;
}
.item-bottom {
position: absolute;
bottom: 5rpx;
}
.item-active {
position: absolute;
bottom: 5rpx;
color: #1fff;
}
}
}
</style>