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manghe/components/tabNav.vue

185 lines
4.2 KiB

<template>
<view class="navTabBox">
<view class="longTab">
<scroll-view scroll-x="true" style="white-space: nowrap; display: flex;" scroll-with-animation :scroll-left="tabLeft" show-scrollbar="true">
<view class="longItem" :style='"width:"+isWidth+"px"' :data-index="index" :class="index===tabClick?'click':''" v-for="(item,index) in tabTitle" :key="index" :id="'id'+index" @click="longClick(index)">{{item.cate_name}}</view>
<view class="underlineBox" :style='"transform:translateX("+isLeft+"px);width:"+isWidth+"px"'>
<view class="underline"></view>
</view>
</scroll-view>
</view>
<view class="child-box" v-if="tabClick>0 && tabTitle[tabClick].children.length>0">
<scroll-view scroll-x="true" style="white-space: nowrap; display: flex;align-items: center; height: 100%;" scroll-with-animation :scroll-left="tabLeft" show-scrollbar="false">
<view class="wrapper">
<view v-for="(item,index) in tabTitle[tabClick].children" class="child-item" :class="{on:index == childIndex}" @click="childTab(tabClick,index)">
<image :src="item.pic" mode=""></image>
<view class="txt">{{item.cate_name}}</view>
</view>
</view>
</scroll-view>
</view>
</view>
</template>
<script>
import {
getProductslist,
getProductHot
} from '@/api/store.js';
export default {
name: 'navTab',
props: {
tabTitle: {
type: Array,
default: []
}
},
data() {
return {
tabClick: 0, //导航栏被点击
isLeft: 0, //导航栏下划线位置
isWidth: 0, //每个导航栏占位
tabLeft:0,
swiperIndex:0,
childIndex:0,
childID:0
};
},
created() {
var that = this
// 获取设备宽度
uni.getSystemInfo({
success(e) {
that.isWidth = e.windowWidth / 5
}
})
},
methods: {
// 导航栏点击
longClick(index){
this.childIndex = 0;
if(this.tabTitle.length>5){
var tempIndex = index - 2;
tempIndex = tempIndex<=0 ? 0 : tempIndex;
this.tabLeft = (index-2) * this.isWidth //设置下划线位置
}
this.tabClick = index //设置导航点击了哪一个
this.isLeft = index * this.isWidth //设置下划线位置
let obj = {
type:'big', //大标题
index:index
}
this.parentEmit(obj)
// this.$parent.currentTab = index //设置swiper的第几页
},
// 导航子类点击
childTab(tabClick,index){
this.childIndex = index
let obj = {
parentIndex:tabClick,
childIndex:index,
type:'small' //小标题
}
this.parentEmit(obj)
},
parentEmit(data){
this.$emit('changeTab', data);
}
}
}
</script>
<style lang="scss" scoped>
.navTabBox {
width: 100%;
color: rgba(255, 255, 255, 1);
.click {
color: white;
}
.longTab {
width: 100%;
/* #ifdef H5 */
padding-bottom: 20rpx;
/* #endif */
/* #ifdef MP */
padding-top: 12rpx;
padding-bottom: 12rpx;
/* #endif */
.longItem{
height: 50upx;
display: inline-block;
line-height: 50upx;
text-align: center;
font-size: 30rpx;
&.click{
font-weight: bold;
}
}
.underlineBox {
height: 3px;
width: 20%;
display: flex;
align-content: center;
justify-content: center;
transition: .5s;
.underline {
width: 33rpx;
height: 4rpx;
background-color: white;
}
}
}
}
.child-box{
width: 100%;
position: relative;
// height: 152rpx;
background-color: #fff;
/* #ifdef H5 */
box-shadow: 0 2px 5px 1px rgba(0, 0, 0, 0.02);
/* #endif */
/* #ifdef MP */
box-shadow: 0 2rpx 3rpx 1rpx #f9f9f9;
/* #endif */
.wrapper{
display: flex;
align-items: center;
padding: 20rpx 0;
background: #fff;
/* #ifdef H5 */
//box-shadow: 0 2px 5px 1px rgba(0, 0, 0, 0.06);
/* #endif */
}
.child-item{
flex-shrink: 0;
width:140rpx;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
margin-left: 10rpx;
image{
width: 90rpx;
height: 90rpx;
border-radius: 50%;
}
.txt{
font-size: 24rpx;
color: #282828;
text-align: center;
margin-top: 10rpx;
}
&.on{
image{
border: 1px solid $theme-color-opacity;
}
.txt{
color: $theme-color;
}
}
}
}
</style>