<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>
					<!-- 口语主体 -->
					<view v-for="(item,index) in slander" :key="index">
						<view class="view_inuygs">
						<view class="header_part">
							<view class="unite">{{item.label}}</view>
						</view>
						</view>
						<view  v-for="(items,indexs) in item.list" :key='indexs'>
							<!-- 白色大背景边框 -->
						<view class="slander_for">
							<view class="textual">
							{{items.topicEn}}
							</view>
							<view class="bottom_one">
								<view>串题</view>
								<view>跟读</view>
								<view>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'
					}
				],
			}
		},
		created() {
			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()
					 }
				 })
			}
		}
	}
</script>

<style lang="scss" scoped>
	
	.view_left {
		display: flex;
		justify-content: left;
		margin-top: 20rpx;
	}
	.view_inuygs{
		display: flex;
		justify-content: space-between;
		align-items: center;
	}
	
	.view_left_pd {
		position: relative;
		padding: 12rpx 32rpx;
		background: #FFFFFF;
		border-radius: 20rpx 20rpx 20rpx 20rpx;
		margin-right: 15rpx;
		font-size: 24rpx;
		color: #072F5A;
	}
	.unite {
		font-size: 28rpx;
		font-family: 'PingFang';
		font-weight: 800;
		color: #2E4975;

		margin-right: 20rpx;
	}
	.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;
		
	}
	.header_part{
		display: flex;
		align-items: center;
		margin: 26rpx 0rpx;
	}
	.slander_an{
		padding: 6rpx 18rpx;
		background: #fff;
		border-radius: 12rpx 12rpx 12rpx 12rpx;
		margin-left: 12rpx;
		color: #65748C;
	}
	.blue {
		background: rgba(45,124,230,0.1);
		color: #2D7CE6;
	}
	.slander_for{
		display: flex;
		align-items: center;
		justify-content: space-between;
		background-color: #fff;
	}
	.textual{
			width: 290rpx;
			height: 80rpx;
		  display: -webkit-box;
		   -webkit-box-orient: vertical;
		   overflow: hidden;
		   -webkit-line-clamp: 2;
		  
	}
	.bottom_one{
		display: flex;
	
	}
</style>
