uni-Identify-quality/uni_modules/liu-select/components/liu-select/liu-select.vue

<template>
	<view >
		<view :class="['scroll-popup', isShow ? 'scroll-open' : '', animation ? 'scroll-animation' : '']">
			<view class="scroll-box">
				<view class="scroll-top">
					<view class="scroll-top-left" @click="getResult('cancel')">取消</view>
					<view class="scroll-top-right" :style="'color:'+selectBg" @click="getResult('confirm')">确定</view>
				</view>
				<scroll-view class="scroll-view_H" scroll-y="true">
					<view class="scroll-view-grid-box" v-if="dataList.length>0">
						<view v-for="(item, index) in dataList" :key="index" @click="chooseItem(item,index)"
							:style="{backgroundColor:item.state?selectBg:noSelectBg}"
							:class="{'card-list scroll-view-item-true':item.state,'card-list scroll-view-item':!item.state}">
							<view :style="{color:item.state?selectColor:noSelectColor}">{{ item.name }}</view>
							<image class="select-img" :src="selectImg" v-if="item.state"></image>
						</view>
					</view>
					<view class="scroll-view-noBox" v-else>
						<image :src="noDataImg"></image>
						<view class="text">暂无数据</view>
					</view>
				</scroll-view>
				<view v-show="safeArea" class="scroll-temp"></view>
			</view>
		</view>
		<view v-show="isShow" class="scroll-mask" @click="isMask ? close() : ''"></view>
	</view>
</template>

<script>
	import noData from '../../static/noData.png'
	import selectInfo from '../../static/select.png'
	export default {
		props: {
			//是否多选
			multiple: {
				type: Boolean,
				default: true,
			},
			//列表数据
			list: {
				type: Array
			},
			//选中字体颜色
			selectColor: {
				type: String,
				default: '#FFFFFF',
			},
			//未选中字体颜色
			noSelectColor: {
				type: String,
				default: '#333333',
			},
			//选中背景色
			selectBg: {
				type: String,
				default: '#1890ff',
			},
			//未选中背景色
			noSelectBg: {
				type: String,
				default: '#f7f7f7',
			},
			//是否点击阴影关闭
			isMask: {
				type: Boolean,
				default: true,
			},
			//是否开启动画
			animation: {
				type: Boolean,
				default: true,
			},
			//是否开启安全条
			safeArea: {
				type: Boolean,
				default: false,
			},
		},
		data() {
			return {
				dataList: this.list,
				isShow: false,
				noDataImg: '',
				selectImg: '',
				selectArr: this.list
			};
		},
		mounted() {
			this.selectImg = selectInfo
			this.noDataImg = noData
		},
		methods: {
			open() {
				this.isShow = true
				this.init()
			},
			close() {
				this.isShow = false
			},
			init() {
				this.dataList = JSON.parse(JSON.stringify(this.selectArr))
				this.dataList.forEach(res => {
					if (!res.state) {
						res.state = false
					}
				})
			},
			//选中数据
			chooseItem(item, index) {
				if (this.multiple) {
					item.state = !item.state
					this.dataList = JSON.parse(JSON.stringify(this.dataList))
				} else {
					this.dataList.forEach((res, inx) => {
						if (inx == index) {
							res.state = !res.state
						} else {
							res.state = false
						}
					})
					this.dataList = JSON.parse(JSON.stringify(this.dataList))
				}
			},
			getResult(event) {
				if (event == 'confirm') {
					let result = []
					this.dataList.forEach((item, index) => {
						if (item.state) {
							result.push(item)
						}
					})
					this.selectArr = JSON.parse(JSON.stringify(this.dataList))
					this.$emit('change', result)
				}
				this.close()
			}
		},
	};
</script>

<style lang="scss" scoped>
	/* 弹出层默认样式 */
	.scroll-popup {
		width: 750rpx;
		position: fixed;
		bottom: -100%;
		z-index: 999;
	}

	/* 点击按钮是将盒子 bottom 值归零即可实现弹出效果,
  同理，如需更改弹出方向只需将bottom改成top、left、right即可
  (默认样式的方向也需一起更改哦) */
	.scroll-open {
		bottom: 0px !important;
	}

	.scroll-animation {
		transition: all 0.25s linear;
	}

	/* 遮罩层样式 */
	.scroll-mask {
		position: fixed;
		top: 0;
		left: 0;
		right: 0;
		bottom: 0;
		background: rgba(0, 0, 0, 0.3);
		z-index: 998;
	}

	.scroll-box {
		position: absolute;
		bottom: 0;
		width: 100%;
		background: #ffff;
		border-radius: 24rpx 24rpx 0 0;
	}

	.scroll-temp {
		padding-bottom: env(safe-area-inset-bottom);
	}

	.scroll-top {
		height: 88rpx;
		line-height: 88rpx;
	}

	.scroll-top-left {
		float: left;
		padding-left: 24rpx;
		font-size: 28rpx;
	}

	.scroll-top-right {
		float: right;
		padding-right: 24rpx;
		color: #1890ff;
		font-size: 28rpx;
	}

	.scroll-view_H {
		white-space: nowrap;
		width: 100%;
		height: 400rpx;
		line-height: 100rpx;
		background-color: #ffffff;
	}

	.scroll-view-grid-box {
		width: calc(100% - 20rpx);
		margin: 10rpx;
		padding-bottom: 10rpx;
	}

	.scroll-view-noBox {
		width: 100%;
		height: 400rpx;
		text-align: center;

		image {
			width: 200rpx;
			height: 200rpx;
			margin-top: 32rpx;
		}

		.text {
			width: 100%;
			text-align: center;
			color: #888;
			font-size: 28rpx;
			margin-top: -40rpx;
		}
	}

	.scroll-view-item {
		padding: 0rpx 24rpx;
		text-align: left;
		border-radius: 6rpx;
		font-size: 28rpx;
		margin: 12rpx 4rpx;
		height: 66rpx;
		line-height: 66rpx;
		overflow: hidden;
		text-overflow: ellipsis;
		white-space: nowrap;
	}

	.scroll-view-item-true {
		padding: 0rpx 24rpx;
		text-align: left;
		border-radius: 6rpx;
		font-size: 28rpx;
		margin: 12rpx 4rpx;
		height: 66rpx;
		line-height: 66rpx;
		overflow: hidden;
		text-overflow: ellipsis;
		white-space: nowrap;
	}

	.card-list {
		display: flex;
		align-items: center;
		justify-content: space-between;

		.select-img {
			min-width: 30rpx;
			width: 30rpx;
			height: 30rpx;
			margin-left: 20rpx;
		}
	}
</style>