uniapp-自定义下拉菜单，点击选项绑定数据

最新推荐文章于 2025-01-23 10:58:15 发布

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最新推荐文章于 2025-01-23 10:58:15 发布

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分类专栏： uniapp 文章标签：前端 javascript html

本文链接：https://blog.youkuaiyun.com/weixin_59733368/article/details/126009814

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这个示例展示了如何使用Vue.js创建一个带有下拉选择功能的输入组件。用户点击后显示下拉菜单，可以选择预定义的选项或者手动输入。组件包括样式设计和事件处理，如切换显示下拉菜单、选择商品等操作。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

生成展示：

view部分

<template>
	<view class="body">
		<view class="gender">
			<view class="wu" @click="isShow">
				<view class="wuLeft">
					<image src="../../static/92.png"></image>
				</view>
				<view class="wuRight">
					<input type="text" value="" placeholder="选择货物名称" v-model="goods" />
					<!--<ep-select v-model="select" :options="options" @change="change"></ep-select>-->
				</view>
				<view class="jian">
					<image src="../../static/100.png"></image>
				</view>
			</view>
			<view class="dropDown" v-if="goodsShow==1">
				<view class="dropItem" v-for="(item,index) in options" :key="index" @click="selectGoods(index,item)">
					<view class="dropItemLeft">
						<text>{{item.value}}.</text>
					</view>
					<view class="dropItemCenter">
						<text>{{item.label}}</text>
					</view>
					<view class="dropItemRight">
						<image v-if="active==index" src="../../static/true.png" mode=""></image>
					</view>
				</view>
			</view>
		</view>
	</view>
</template>

js部分

<script>
	export default {
		data() {
			return {
				goodsShow: 0,
				goods: '',
				options: [{
						value: "1",
						label: "70A"
					},
					{
						value: "2",
						label: "韩国双龙"
					},
					{
						value: "3",
						label: "改性沥青"
					},
					{
						value: "4",
						label: "高标改性"
					},
					{
						value: "5",
						label: "PG76-22改性"
					},
					{
						value: "6",
						label: "高粘改性"
					},
					{
						value: "7",
						label: "其他（手动填写）",
						disabled: true
					}
				],
			}
		},
		methods: {
			isShow() {
				if (this.goodsShow == 1) {
					this.goodsShow = 0
				} else {
					this.goodsShow = 1
				}
			},
			selectGoods(num, item) {
				if (num == 6) {
					this.goods = ''
					this.goodsShow = 0
				} else {
					this.goods = item.label
					this.goodsShow = 0
				}
				this.active = num
			},
		}
	}
</script>

css部分

<style>
	.wu {
		width: 652rpx;
		/*输入下划线*/
		/* border: 1rpx solid red; */
		height: 90rpx;
		border-bottom: 1rpx solid #D9D9D9;
		display: flex;
		align-items: center;
		margin: 0 auto;
	}

	.wuLeft {
		margin-left: 28rpx;
	}

	.wuRight {
		margin-left: 14rpx;
	}

	.wuLeft>image {
		width: 50rpx;
		height: 50rpx;
	}

	.jian>image {
		width: 50rpx;
		height: 50rpx;
		margin-left: 310rpx;
	}
	.dropDown {
		width: 652rpx;
		height: 442rpx;
		background: #FFFFFF;
		box-shadow: 0px 2px 6px 1px rgba(0, 0, 0, 0.16);
		margin: 0 auto;
		position: absolute;
		top: 100rpx;
		z-index: 999;
		margin-left: 22rpx;
		padding: 18rpx 0rpx;
	}
	
	.dropItem {
		display: flex;
		margin-top: 20rpx;
		/* border: 1rpx solid red; */
		align-items: center;
		height: 40rpx;
	}
	
	.dropItemLeft {
		margin-left: 70rpx;
		font-size: 14px;
		font-family: Alibaba PuHuiTi-Regular, Alibaba PuHuiTi;
		font-weight: 400;
		color: #444448;
	}
	
	.dropItemCenter {
		width: 300rpx;
		height: 40rpx;
		margin-left: 20rpx;
	}
	
	.dropItemRight {
		margin-left: 150rpx;
	}
	
	.dropItemRight>image {
		width: 42rpx;
		height: 42rpx;
	}
</style>