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