smartmeter-app/pages_teacher/teacher_teachers/components/slander.vue

<template>
	<!-- 口语下拉 -->
			<view>
				<view class="view_left">
					<view class="view_left_pd" @click="arrow_xl">
						{{selectedOption}}
						<u-icon name="arrow-down" size="22" class="pd_icon"></u-icon>
						<view class="pull_Down" v-if="arrow">
							<view v-for="(item,index) in options" :key="index" @click="arrow_options(item.id)">{{item.name}}</view>
						</view>
					</view>
					<view class="view_left_pd" @click="arrow_xl2">
						{{categorize}}
						<u-icon name="arrow-down" size="22" class="pd_icon"></u-icon>
						<view class="pull_DownTow" v-if="arrowDown">
							<view v-for="(item,index) in options2 " :key="index" @click="Classification(item.id)">{{item.name}}</view>
						</view>
					</view>
				</view>
				<!-- 口语主体 -->
				<view v-for="(item,index) in slander" :key="index">
					<view class="unite">{{item.label}}</view>
					<view class="slander_for">
						<view class="slander_behavior" v-for="(items,indexs) in item.list" :key='indexs'>
							<view class="slander_left">{{items.topicEn}}</view>
							<view style="display: flex;">
								<view class="slander_an">串题</view>
								<view class="slander_an blue">跟读</view>
								<view class="slander_an blue">模考</view>
							</view>
						</view>
					</view>
				</view>
			</view>
</template>

<script>
	export default {
		data(){
			return {
				postdata :{
					"key": "",
					"pageNum": 0,
					"mode": "home",
					"part": "part1",
					"order": "0",
					"type": "",
					"isStudy": 0,
					"isFavorite": 0,
					"isEvlua": 0,
					"isFun": 0,
					"level": 0,
					"isNew": 0
				},
				//口语
				slander: [],
					categorize:'分类',
					// 下拉框的v-if布尔值
					selectedOption:'Part1',
				arrow:false,
				arrowDown:false,
				options:[
					{
						id:1,
						name:'Part1'
					},
					{
						id:2,
						name:'Part2'
					}
				],
				options2:[
					{
						id:1,
						name:'环境类'
					},
					{
						id:2,
						name:'学习类'
					}
				],
			}
		},
		onLoad() {
			this.getList()
		},
		methods:{
			
			getList() {
				this.$u.post('https://api.admin-v2.langsi.online/admin-api/speaking/topic/home/list',this.postdata).then(res => {
					let keyArr = Object.keys(res.data)
					let valueArr = Object.values(res.data)
					this.slander = keyArr.map((item, index) => {
						return {
							label: item,
							list: valueArr[index]
						}
					})
				})
			},
			//下拉显示下拉框
			arrow_xl(){
				this.arrow=!this.arrow
			},
			arrow_xl2(){
				this.arrowDown=!this.arrowDown
			},
			arrow_options(id){
				 this.options.forEach(item=>{
					 if(item.id== id){
						 this.selectedOption=item.name
					 }else if(id==2){
						 this.postdata.part="part2"
						 this.getList()
					 }else{
						 this.postdata.part="part1"
						 this.getList()
					 }
				 })
			},
			// 下拉然后更新里面的值
			Classification(id){
				this.options2.forEach(item=>{
					if(item.id == id){
						this.categorize =item.name
					}
				})
			},
		}
	}
</script>

<style lang="scss" scoped>
	
	.view_left {
		display: flex;
		justify-content: left;
		margin-top: 20rpx;
	}
	
	.view_left_pd {
		position: relative;
		padding: 12rpx 32rpx;
		background: #FFFFFF;
		border-radius: 20rpx 20rpx 20rpx 20rpx;
		margin-right: 15rpx;
		font-size: 24rpx;
	}
	.unite {
		font-size: 28rpx;
		font-family: 'PingFang';
		font-weight: 800;
		color: #2E4975;
		margin: 26rpx 0rpx;
	}
	.slander_for {
		background: #FFFFFF;
		border-radius: 20rpx 20rpx 20rpx 20rpx;
		padding: 0 30rpx;
	}
	.slander_behavior {
		display: flex;
		justify-content: space-between;
		padding: 20rpx 0rpx;
		border-bottom: 2rpx solid #F2F2F2;
	}
	.slander_left {
		width: 328rpx;
		text-overflow: ellipsis;
		white-space: nowrap;
		overflow: hidden
	}
	.pull_DownTow{
	width: 150rpx;
	position: absolute;
	bottom: -133rpx;
	left: 50%;
	margin-left: -72rpx;
	box-shadow: 0rpx 4rpx 10rpx 0rpx rgba(0,0,0,0.25);
	border-radius: 20rpx 20rpx 20rpx 20rpx;
	background: #FFFFFF;
	border-bottom: 2rpx solid #F2F2F2;
	text-align: center;
	view {
		padding: 15rpx 0rpx;
		border-bottom: 2rpx solid #F2F2F2;
	}
		
	}
	.pull_Down {
		position: absolute;
		bottom: -130rpx;
		left: 50%;
		margin-left: -79rpx;
		box-shadow: 0rpx 4rpx 10rpx 0rpx rgba(0,0,0,0.25);
		border-radius: 20rpx 20rpx 20rpx 20rpx;
		background: #FFFFFF;
		border-bottom: 2rpx solid #F2F2F2;
		view {
			padding: 15rpx 50rpx;
			border-bottom: 2rpx solid #F2F2F2;
		}
	}
	.pull_Down view:last-child {
		border: none;
	}
	.pd_icon {
		margin-left: 8rpx;
	}
</style>