index副本.vue
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<template>
<view class="tab-block">
<view class='tab-list flex flex-center' :class="showMiddleButton === true?'tab-list-middle':'tab-list-default'">
<view v-for="(item, index) in tabList"
:class="'list-item flex flex-column flex-middle ' + item.middleClass"
@tap="handlePush(item, index)"
:key="index">
<view class="item-img-box">
<image
class="item-img"
:src="selectedIndex == index ? item.selectedIconPath : item.iconPath" mode="heightFix"/>
</view>
<view class="item-text font-20 color-black" :class="{ specialColor: selectedIndex == index}">
{{item.text}}
</view>
</view>
</view>
</view>
</template>
<script>
export default {
data() {
return {
selectedIndex: 0, // 当前选中的tab索引
tabList: [
{
iconPath:"/static/tabBar/icon2.png",
selectedIconPath: "/static/tabBar/icon1.png",
text: '首页',
pagePath: '/pages/home/home',
middleClass: ''
},
{
iconPath: "/static/tabBar/icon4.png",
selectedIconPath: "/static/tabBar/icon3.png",
text: '数据中心',
pagePath: '/pages/information/information',
middleClass: ''
},
{
iconPath: "/static/tabBar/icon6.png",
selectedIconPath: "/static/tabBar/icon5.png",
text: '我的',
pagePath: '/pages/me/me',
middleClass: ''
}
],
showMiddleButton: false
};
},
mounted() {
// 获取当前页面路径，设置选中索引
this.setSelectedIndex();
},
updated() {
// 组件更新时重新检查选中状态
this.setSelectedIndex();
},
methods: {
// 设置当前选中的tab索引（供外部调用）
setSelectedIndex(index) {
if (typeof index === 'number' && index >= 0 && index < this.tabList.length) {
this.selectedIndex = index;
} else {
// 如果没有传入索引，则根据当前页面路径自动判断
const pages = getCurrentPages();
if (pages.length === 0) return;
const currentPage = pages[pages.length - 1];
const currentPath = '/' + currentPage.route;
// 根据当前页面路径设置选中索引
const foundIndex = this.tabList.findIndex(item => item.pagePath === currentPath);
if (foundIndex !== -1) {
this.selectedIndex = foundIndex;
}
}
},
// 点击按钮
handlePush(item, index) {
if (this.selectedIndex !== index) {
uni.switchTab({
url: item.pagePath,
success: () => {
this.selectedIndex = index;
},
fail: (err) => {
console.error('切换tab失败:', err);
}
});
}
}
}
}
</script>
<style lang="scss">
.specialColor{
color:#009b4d;
}
.flex {
display: flex;
flex-flow: row wrap;
}
.flex-center {
align-items: center;
justify-content: center;
}
.flex-column {
flex-direction: column;
}
.flex-middle {
align-items: center;
}
.font-20 {
font-size: 20rpx;
}
.tab-block {
position: fixed;
bottom: 0;
left: 0;
right: 0;
z-index: 999;
background-size: contain;
padding: 0 36rpx;
display: flex;
justify-content: center;
padding-bottom: env(safe-area-inset-bottom);
.tab-list{
height:100rpx;
display: flex;
width: 676rpx;
}
.tab-list-default{
background-color: #FFFFFF;
border-radius: 36rpx;
box-shadow: 0rpx 0rpx 30rpx #ababab;
}
.tab-list-middle {
position: relative;
background: url('https://res.paquapp.com/popmartvip/home/nav_bar_bg_2x.png') no-repeat center center;
background-size: cover;
}
.list-item {
flex: 1;
.item-img-box {
width: 44rpx;
height: 42rpx;
margin-bottom: 9rpx;
position: relative;
}
.item-img {
width: 44rpx;
height: 42rpx;
}
}
.mid-button {
position: relative;
.item-img-box {
width: 106rpx;
height: 106rpx;
margin-bottom: 9rpx;
position: absolute;
z-index: 1002;
top: -104rpx;
}
.item-img {
width: 106rpx;
height: 106rpx;
}
.item-text {
font-size: 20rpx;
position: absolute;
z-index: 1002;
bottom: -40rpx;
}
}
}
</style>