<template>
	<!-- 口语下拉 -->
	<view>
		<view class="view_left">
			<view class="view_left_pd" @click="arrow_xl">
				<view class="pull_down">
					<view>{{selectedOption}}</view>
					<u-icon name="arrow-down" size="22"></u-icon>
				</view>
				<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 class="bottom_one" v-if="part2">
					<view class="blue">串题</view>
					<view class="blue">跟读</view>
					<view>模考</view>
				</view>
			</view>
		
				<!-- part1-->
				<view class="slander_for">
					<view class="slander_of" v-for="(items,indexs) in item.list" :key='indexs'>
						<view class="textual">
							{{items.topicEn}}
						</view>
						<view class="bottom_one" v-if="grizzly">
							<view class="blue">串题</view>
							<view class="blue">跟读</view>
							<view>模考</view>
						</view>
					</view>
				</view>
				<!-- part2-->
				<view class="slander_for" v-if="part2">
					<view class="slander_of" v-for="(items,indexs) in item.list" :key='indexs'>
						<view class="textual2">
							{{items.topicEn}}
						</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: [],
				part2:false,
				grizzly:true,
				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.part2=true
						this.grizzly = false
						this.getList()
					} else {
						this.postdata.part = "part1"
						this.part2= false
						this.grizzly = true
						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;
	}

	.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;
	}

	.slander_for {
		background-color: #fff;
		border-radius: 20rpx 20rpx 20rpx 20rpx;
		
	}

	.slander_of {
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding: 24rpx 0;
		margin: 0 20rpx;
		border-bottom: 2rpx solid #F2F2F2;
		
	}

	.textual {
		width: 290rpx;
		display: -webkit-box;
		-webkit-box-orient: vertical;
		overflow: hidden;
		-webkit-line-clamp: 2;
	}

	.bottom_one {
		display: flex;
		view {
			padding: 6rpx 18rpx;
			background: #F4F4F4;
			border-radius: 12rpx 12rpx 12rpx 12rpx;
			font-size: 20rpx;
			font-weight: 500;
			color: rgba(101,116,140,0.8);
			margin-left: 15rpx;
		}	
		.blue {
		background: rgba(45, 124, 230, 0.1);
		color: #2D7CE6;
	}
	}
	.pull_down{
		display: flex;
		justify-content: space-between;
		width: 100rpx;
		font-size: 24rpx;
	}
</style>
