crm-app-vue3/components/brand-select/brand-select.vue

<template>
	<view class="main">
		<view class="input" :class="{ disabledColor: disabled, inputWrap: border }">
			<!-- 			<view @click="showModal">
				<u--input :class="{disabledFontColor: disabled}"  :value="_value" inputAlign="left" border="none" style="pointer-events: none;" :placeholder="placeholder"></u--input>
			</view> -->
			<view @click="showModal" class="ldSelectInput">
				<input v-model="_value" :class="{ disabledFontColor: disabled }" :placeholder="placeholder"
					style='pointer-events: none !important' />
			</view>
			<u-icon name="arrow-down-fill" color="#aaa" size="10" v-if="isShowIcon"></u-icon>
			<text v-if="clearable && !disabled" @click="empty" class="selectIcon iconcross"></text>
		</view>
		<view class="select-modal" :class="{ show: isShowModal }" @tap="hideModal">
			<view class="select-dialog" @tap.stop="" :style="{ backgroundColor: bgColor }">
				<view class="select-bar bg-white">
					<view class="action text-blue" @tap="cancelClick">{{ cancelText }}</view>
					<view class="action text-green" @tap="confirmClick">{{ confirmText }}</view>
				</view>
				<view class="select-content" v-if="list && list.length > 0">
					<u-search placeholder="请输入你要搜索的品牌名称" @change='handleSearch' v-model="searchKeyword" shape="square"
						:showAction="false" margin="10rpx 0  30rpx" :clearabled="true"></u-search>
					<view :class="['select-item', valueIndexOf(item) ? 'select-active-item' : '']"
						v-for="(item, index) in filterList" :key="index" @click="select(item)">
						<!-- :style="valueIndexOf(item) ? 'color:' +selectColor +' ;background-color:'+selectBgColor+';':'color:'+color+';'" -->
						<view class="title">{{ getLabelKeyValue(item) }}</view>
						<u-icon name="checkbox-mark" v-if="valueIndexOf(item)" class="checkboxMark" color="#108cff">
						</u-icon>
						<!-- <text class="selectIcon icongou" ></text> -->
					</view>
				</view>
				<view class="empty_wrap" v-else>
					{{ emptyText }}
				</view>
			</view>
		</view>
	</view>
</template>

<script>
export default {
	data() {
		return {
			isShowModal: false,
			searchKeyword: '',//搜索关键词
			filterList: []//过滤后的列表
		};
	},
	watch: {
		value(val) {
			if (val) {
				// 使用valueKey而不是硬编码的dictValue，提高通用性
				const data = this.list.find((v) => this.getValueKeyValue(v) == val);
				if (data) {
					const dictLabel = this.getLabelKeyValue(data);
					this.$emit("update:name", dictLabel);
				} else {
					// 如果找不到对应项，也发送原值
					this.$emit("update:name", val);
				}
			} else {
				this.$emit("update:name", undefined)
			}
		},
		list(newVal) {
			if (newVal && newVal.length > 0) {
				this.filterList = newVal
			}
		},
	},
	props: {
		isShowIcon: {
			type: Boolean,
			default: () => false,
		},
		border: {
			type: Boolean,
			default: () => false,
		},
		value: {
			type: [Number, String, Array, Object],
			default: null
		},
		name: {
			type: String | undefined | null
		},
		placeholder: { // 占位符
			default: "",
			type: String
		},
		emptyText: {
			default: "暂无数据",
			type: String
		},
		multiple: { // 是否多选
			default: false,
			type: Boolean
		},
		list: {
			default: () => [],
			type: Array
		},
		valueKey: { // 指定list中valueKey的值作为下拉框绑定内容
			default: 'value',
			type: String
		},
		labelKey: { // 指定list中labelKey的值作为下拉框显示内容
			default: 'label',
			type: String
		},
		disabled: {
			default: false,
			type: Boolean
		},
		clearable: {
			default: false,
			type: Boolean
		},
		cancelText: {
			default: "取消",
			type: String
		},
		confirmText: {
			default: "确定",
			type: String
		},
		color: {
			default: "#000000",
			type: String
		},
		selectColor: {
			default: "#0081ff",
			type: String
		},
		bgColor: {
			default: "#FFFFFF",
			type: String
		},
		selectBgColor: {
			default: "#FFFFFF",
			type: String
		}
	},
	computed: {
		_value: {
			get() {
				return this.value ? this.get_value(this.value) : "";
			},
			set(val) {
				this.$emit('input', val);
			}
		}
	},
	created() { },
	methods: {
		get_value(val) { // 将数组值转换为以,隔开的字符串
			if (val || val === 0) {
				if (Array.isArray(val)) {
					let chooseAttr = []
					val.forEach(item => {
						let choose = this.list.find(temp => {
							let val_val = this.getValueKeyValue(temp)
							return item === val_val
						})
						chooseAttr.push(choose)
					})
					let values = chooseAttr.map(temp => {
						if (temp) {
							return this.getLabelKeyValue(temp)
						}
						return temp
					}).filter(temp => temp !== undefined && temp !== null).join(',')
					return values
				} else {
					let choose = this.list.find(temp => {
						let val_val = this.getValueKeyValue(temp)
						return val === val_val
					})
					// 如果找不到对应项，返回原值
					return choose ? this.getLabelKeyValue(choose) : val
				}
			} else {
				return ""
			}
		},
		select(item) { // 点击选项
			let val = this.getValueKeyValue(item);
			if (this.multiple) {
				let _value = this.value;
				let index = _value.indexOf(val);
				if (index != -1) {
					_value.splice(index, 1)
					this.$emit('input', _value);
					this.$emit("change", item);
				} else {
					_value.push(val)
					this.$emit('input', _value);
					this.$emit("change", item);
				}
			} else {
				this.$emit('input', val);
				this.$emit("update:name", item[this.labelKey]);
				this.$emit("change", item);
				this.hideModal()
				this.searchKeyword = ''
			}
		},
		valueIndexOf(item) {
			let val = this.getValueKeyValue(item);
			if (Array.isArray(this.value)) {
				return this.value.indexOf(val) != -1
			} else {
				return this.value === val
			}
		},
		getLabelKeyValue(item) { // 获取label
			return item[this.labelKey]
		},
		getValueKeyValue(item) { // 获取value
			return item[this.valueKey]
		},
		empty() { // 清空
			if (this.multiple) {
				this.$emit('input', []);
			} else {
				this.$emit("update:name", '');
				this.$emit('input', '');
			}
			this.$emit("change", null);
		},
		cancelClick() { // 点击取消
			this.$emit('cancel', this._value)
			this.hideModal()
			this.searchKeyword = ''
		},
		confirmClick() { // 点击确定
			this.$emit('confirm', this._value)
			this.hideModal()
		},
		showModal() { // 显示model
			if (!this.disabled) {
				this.isShowModal = true
			}
		},
		hideModal() { // 隐藏model
			this.isShowModal = false
		},
		handleSearch(value) {
			//用户在搜索框中输入了内容，触发搜索事件
			// console.log('用户点击了搜索按钮，里面的值是', value)
			this.filterList = this.list.filter(item => {
				return this.getLabelKeyValue(item).indexOf(value) !== -1
			})
		}
	}
}
</script>
<style>
@font-face {
	font-family: "selectIcon";
	src: url('//at.alicdn.com/t/font_1833441_ycfzdhg2u3.eot?t=1590375117208');
	/* IE9 */
	src: url('//at.alicdn.com/t/font_1833441_ycfzdhg2u3.eot?t=1590375117208#iefix') format('embedded-opentype'),
		/* IE6-IE8 */
		url('data:application/x-font-woff2;charset=utf-8;base64,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') format('woff2'),
		url('//at.alicdn.com/t/font_1833441_ycfzdhg2u3.woff?t=1590375117208') format('woff'),
		url('//at.alicdn.com/t/font_1833441_ycfzdhg2u3.ttf?t=1590375117208') format('truetype'),
		/* chrome, firefox, opera, Safari, Android, iOS 4.2+ */
		url('//at.alicdn.com/t/font_1833441_ycfzdhg2u3.svg?t=1590375117208#selectIcon') format('svg');
	/* iOS 4.1- */
}

.selectIcon {
	font-family: "selectIcon" !important;
	font-size: 16px;
	font-style: normal;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

.icongou:before {
	content: "\e61c";
}

.iconcross:before {
	content: "\e61a";
}
</style>
<style lang="scss" scoped>
.ldSelectInput {
	width: 100%;
}

.disabledColor {
	background: #f5f7fa;
}

.disabledFontColor {
	color: #c0c4cc
}

.main {
	font-size: 28rpx;
	width: 100%;
}

.bg-white {
	background-color: #FFFFFF;
}

.text-blue {
	color: #0081ff;
}

.text-green {
	color: #39b54a;
}

.inputWrap {
	border: 2px solid #ddd;
	border-radius: 4px;
}

.input {
	display: flex;
	align-items: center;
	font-size: 28rpx;
	padding: 10rpx;

	// height: 60rpx;
	// padding: 10rpx 20rpx;
	// border-radius: 10rpx;
	// border-style: solid;
	// border-width: 1rpx;
	// border-color: rgba(0, 0, 0, 0.1);
	input {
		flex: 1;
	}
}

.select-modal {
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	z-index: 9999;
	opacity: 0;
	outline: 0;
	text-align: center;
	-ms-transform: scale(1.185);
	transform: scale(1.185);
	backface-visibility: hidden;
	perspective: 2000rpx;
	background: rgba(0, 0, 0, 0.6);
	transition: all 0.3s ease-in-out 0s;
	pointer-events: none;
	margin-bottom: -1000rpx;

	&::before {
		content: "\200B";
		display: inline-block;
		height: 100%;
		vertical-align: bottom;
	}

	.select-dialog {
		display: inline-block;
		margin-left: auto;
		margin-right: auto;
		background-color: #f8f8f8;
		overflow: hidden;
		width: 100%;
		border-radius: 0;
		position: absolute;
		bottom: 0%;
		left: 50%;
		transform: translate(-50%, 0%);

		.empty_wrap {
			text-align: center;
			padding: 30rpx;
			color: #999;
		}

		.select-content {
			// background-color: #F1F1F1;
			max-height: 420rpx;
			overflow: auto;
			padding: 0 60rpx;

			.select-item {
				padding: 20rpx;
				display: flex;
				position: relative;
				background: #f4f8fe;
				margin-bottom: 30rpx;
				border-radius: 10rpx;

				.title {
					flex: 1;
					overflow-wrap: break-word;
					word-break: break-all;
				}

				.checkboxMark {
					position: absolute;
					right: 0%;
					top: 50%;
					transform: translate(-50%, -50%);
				}

				::v-deep .u-icon__icon {
					font-size: 40rpx !important;
					display: inline-block;
				}
			}

			.select-active-item {
				box-sizing: border-box;
				background: #FFFFFF;
				border: #0081ff 1px solid !important;
			}
		}
	}
}

.select-modal.show {
	opacity: 1;
	transition-duration: 0.3s;
	-ms-transform: scale(1);
	transform: scale(1);
	overflow-x: hidden;
	overflow-y: auto;
	pointer-events: auto;
	margin-bottom: 0;
}

.select-bar {
	padding: 0 20rpx;
	display: flex;
	position: relative;
	align-items: center;
	min-height: 80rpx;
	justify-content: space-between;

	.action {
		display: flex;
		align-items: center;
		height: 100%;
		justify-content: center;
		max-width: 100%;
	}
}
</style>