guangchao.xu | 070005a | 2020-12-07 09:56:40 +0800 | [diff] [blame] | 1 | <template> |
| 2 | <view class="u-switch" :class="[value == true ? 'u-switch--on' : '', disabled ? 'u-switch--disabled' : '']" @tap="onClick" |
| 3 | :style="[switchStyle]"> |
| 4 | <view class="u-switch__node node-class" :style="{ |
| 5 | width: $u.addUnit(this.size), |
| 6 | height: $u.addUnit(this.size) |
| 7 | }"> |
| 8 | <u-loading :show="loading" class="u-switch__loading" :size="size * 0.6" :color="loadingColor" /> |
| 9 | </view> |
| 10 | </view> |
| 11 | </template> |
| 12 | |
| 13 | <script> |
| 14 | /** |
| 15 | * switch 开关选择器 |
| 16 | * @description 选择开关一般用于只有两个选择,且只能选其一的场景。 |
| 17 | * @tutorial https://www.uviewui.com/components/switch.html |
| 18 | * @property {Boolean} loading 是否处于加载中(默认false) |
| 19 | * @property {Boolean} disabled 是否禁用(默认false) |
| 20 | * @property {String Number} size 开关尺寸,单位rpx(默认50) |
| 21 | * @property {String} active-color 打开时的背景色(默认#2979ff) |
| 22 | * @property {Boolean} inactive-color 关闭时的背景色(默认#ffffff) |
| 23 | * @property {Boolean | Number | String} active-value 打开选择器时通过change事件发出的值(默认true) |
| 24 | * @property {Boolean | Number | String} inactive-value 关闭选择器时通过change事件发出的值(默认false) |
| 25 | * @event {Function} change 在switch打开或关闭时触发 |
| 26 | * @example <u-switch v-model="checked" active-color="red" inactive-color="#eee"></u-switch> |
| 27 | */ |
| 28 | export default { |
| 29 | name: "u-switch", |
| 30 | props: { |
| 31 | // 是否为加载中状态 |
| 32 | loading: { |
| 33 | type: Boolean, |
| 34 | default: false |
| 35 | }, |
| 36 | // 是否为禁用装填 |
| 37 | disabled: { |
| 38 | type: Boolean, |
| 39 | default: false |
| 40 | }, |
| 41 | // 开关尺寸,单位rpx |
| 42 | size: { |
| 43 | type: [Number, String], |
| 44 | default: 50 |
| 45 | }, |
| 46 | // 打开时的背景颜色 |
| 47 | activeColor: { |
| 48 | type: String, |
| 49 | default: '#2979ff' |
| 50 | }, |
| 51 | // 关闭时的背景颜色 |
| 52 | inactiveColor: { |
| 53 | type: String, |
| 54 | default: '#ffffff' |
| 55 | }, |
| 56 | // 通过v-model双向绑定的值 |
| 57 | value: { |
| 58 | type: Boolean, |
| 59 | default: false |
| 60 | }, |
| 61 | // 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) |
| 62 | vibrateShort: { |
| 63 | type: Boolean, |
| 64 | default: false |
| 65 | }, |
| 66 | // 打开选择器时的值 |
| 67 | activeValue: { |
| 68 | type: [Number, String, Boolean], |
| 69 | default: true |
| 70 | }, |
| 71 | // 关闭选择器时的值 |
| 72 | inactiveValue: { |
| 73 | type: [Number, String, Boolean], |
| 74 | default: false |
| 75 | }, |
| 76 | }, |
| 77 | data() { |
| 78 | return { |
| 79 | |
| 80 | } |
| 81 | }, |
| 82 | computed: { |
| 83 | switchStyle() { |
| 84 | let style = {}; |
| 85 | style.fontSize = this.size + 'rpx'; |
| 86 | style.backgroundColor = this.value ? this.activeColor : this.inactiveColor; |
| 87 | return style; |
| 88 | }, |
| 89 | loadingColor() { |
| 90 | return this.value ? this.activeColor : null; |
| 91 | } |
| 92 | }, |
| 93 | methods: { |
| 94 | onClick() { |
| 95 | if (!this.disabled && !this.loading) { |
| 96 | // 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 |
| 97 | if(this.vibrateShort) uni.vibrateShort(); |
| 98 | this.$emit('input', !this.value); |
| 99 | // 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 |
| 100 | this.$nextTick(() => { |
| 101 | this.$emit('change', this.value ? this.activeValue : this.inactiveValue); |
| 102 | }) |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | }; |
| 107 | </script> |
| 108 | |
| 109 | <style lang="scss" scoped> |
| 110 | @import "../../libs/css/style.components.scss"; |
| 111 | |
| 112 | .u-switch { |
| 113 | position: relative; |
| 114 | /* #ifndef APP-NVUE */ |
| 115 | display: inline-block; |
| 116 | /* #endif */ |
| 117 | box-sizing: initial; |
| 118 | width: 2em; |
| 119 | height: 1em; |
| 120 | background-color: #fff; |
| 121 | border: 1px solid rgba(0, 0, 0, 0.1); |
| 122 | border-radius: 1em; |
| 123 | transition: background-color 0.3s; |
| 124 | font-size: 50rpx; |
| 125 | } |
| 126 | |
| 127 | .u-switch__node { |
| 128 | @include vue-flex; |
| 129 | align-items: center; |
| 130 | justify-content: center; |
| 131 | position: absolute; |
| 132 | top: 0; |
| 133 | left: 0; |
| 134 | border-radius: 100%; |
| 135 | z-index: 1; |
| 136 | background-color: #fff; |
| 137 | background-color: #fff; |
| 138 | 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); |
| 139 | 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); |
| 140 | transition: transform 0.3s cubic-bezier(0.3, 1.05, 0.4, 1.05); |
| 141 | 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); |
| 142 | transition: transform cubic-bezier(0.3, 1.05, 0.4, 1.05); |
| 143 | transition: transform 0.3s cubic-bezier(0.3, 1.05, 0.4, 1.05) |
| 144 | } |
| 145 | |
| 146 | .u-switch__loading { |
| 147 | @include vue-flex; |
| 148 | align-items: center; |
| 149 | justify-content: center; |
| 150 | } |
| 151 | |
| 152 | .u-switch--on { |
| 153 | background-color: #1989fa; |
| 154 | } |
| 155 | |
| 156 | .u-switch--on .u-switch__node { |
| 157 | transform: translateX(100%); |
| 158 | } |
| 159 | |
| 160 | .u-switch--disabled { |
| 161 | opacity: 0.4; |
| 162 | } |
| 163 | </style> |