| <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> |