| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163 | <template>	<view class="u-switch" :class="[value == true ? 'u-switch--on' : '', disabled ? 'u-switch--disabled' : '']" @tap="onClick"	 :style="[switchStyle]">		<view class="u-switch__node node-class" :style="{			width: $u.addUnit(this.size),			height: $u.addUnit(this.size)		}">			<u-loading :show="loading" class="u-switch__loading" :size="size * 0.6" :color="loadingColor" />		</view>	</view></template><script>	/**	 * switch 开关选择器	 * @description 选择开关一般用于只有两个选择,且只能选其一的场景。	 * @tutorial https://www.uviewui.com/components/switch.html	 * @property {Boolean} loading 是否处于加载中(默认false)	 * @property {Boolean} disabled 是否禁用(默认false)	 * @property {String Number} size 开关尺寸,单位rpx(默认50)	 * @property {String} active-color 打开时的背景色(默认#2979ff)	 * @property {Boolean} inactive-color 关闭时的背景色(默认#ffffff)	 * @property {Boolean | Number | String} active-value 打开选择器时通过change事件发出的值(默认true)	 * @property {Boolean | Number | String} inactive-value 关闭选择器时通过change事件发出的值(默认false)	 * @event {Function} change 在switch打开或关闭时触发	 * @example <u-switch v-model="checked" active-color="red" inactive-color="#eee"></u-switch>	 */	export default {		name: "u-switch",		props: {			// 是否为加载中状态			loading: {				type: Boolean,				default: false			},			// 是否为禁用装填			disabled: {				type: Boolean,				default: false			},			// 开关尺寸,单位rpx			size: {				type: [Number, String],				default: 50			},			// 打开时的背景颜色			activeColor: {				type: String,				default: '#2979ff'			},			// 关闭时的背景颜色			inactiveColor: {				type: String,				default: '#ffffff'			},			// 通过v-model双向绑定的值			value: {				type: Boolean,				default: false			},			// 是否使手机发生短促震动,目前只在iOS的微信小程序有效(2020-05-06)			vibrateShort: {				type: Boolean,				default: false			},			// 打开选择器时的值			activeValue: {				type: [Number, String, Boolean],				default: true			},			// 关闭选择器时的值			inactiveValue: {				type: [Number, String, Boolean],				default: false			},		},		data() {			return {			}		},		computed: {			switchStyle() {				let style = {};				style.fontSize = this.size + 'rpx';				style.backgroundColor = this.value ? this.activeColor : this.inactiveColor;				return style;			},			loadingColor() {				return this.value ? this.activeColor : null;			}		},		methods: {			onClick() {				if (!this.disabled && !this.loading) {					// 使手机产生短促震动,微信小程序有效,APP(HX 2.6.8)和H5无效					if(this.vibrateShort) uni.vibrateShort();					this.$emit('input', !this.value);					// 放到下一个生命周期,因为双向绑定的value修改父组件状态需要时间,且是异步的					this.$nextTick(() => {						this.$emit('change', this.value ? this.activeValue : this.inactiveValue);					})				}			}		}	};</script><style lang="scss" scoped>	@import "../../libs/css/style.components.scss";		.u-switch {		position: relative;		/* #ifndef APP-NVUE */		display: inline-block;		/* #endif */		box-sizing: initial;		width: 2em;		height: 1em;		background-color: #fff;		border: 1px solid rgba(0, 0, 0, 0.1);		border-radius: 1em;		transition: background-color 0.3s;		font-size: 50rpx;	}	.u-switch__node {		@include vue-flex;		align-items: center;		justify-content: center;		position: absolute;		top: 0;		left: 0;		border-radius: 100%;		z-index: 1;		background-color: #fff;		background-color: #fff;		box-shadow: 0 3px 1px 0 rgba(0, 0, 0, 0.05), 0 2px 2px 0 rgba(0, 0, 0, 0.1), 0 3px 3px 0 rgba(0, 0, 0, 0.05);		box-shadow: 0 3px 1px 0 rgba(0, 0, 0, 0.05), 0 2px 2px 0 rgba(0, 0, 0, 0.1), 0 3px 3px 0 rgba(0, 0, 0, 0.05);		transition: transform 0.3s cubic-bezier(0.3, 1.05, 0.4, 1.05);		transition: transform 0.3s cubic-bezier(0.3, 1.05, 0.4, 1.05), -webkit-transform 0.3s cubic-bezier(0.3, 1.05, 0.4, 1.05);		transition: transform cubic-bezier(0.3, 1.05, 0.4, 1.05);		transition: transform 0.3s cubic-bezier(0.3, 1.05, 0.4, 1.05)	}	.u-switch__loading {		@include vue-flex;		align-items: center;		justify-content: center;	}	.u-switch--on {		background-color: #1989fa;	}	.u-switch--on .u-switch__node {		transform: translateX(100%);	}	.u-switch--disabled {		opacity: 0.4;	}</style>
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