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123 lines
3.1 KiB
123 lines
3.1 KiB
<template> |
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<view class="u-mask" hover-stop-propagation :style="[maskStyle, zoomStyle]" @tap="click" @touchmove.stop.prevent="() => {}" :class="{ |
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'u-mask-zoom': zoom, |
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'u-mask-show': show |
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}"> |
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<slot /> |
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</view> |
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</template> |
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<script> |
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/** |
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* mask 遮罩 |
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* @description 创建一个遮罩层,用于强调特定的页面元素,并阻止用户对遮罩下层的内容进行操作,一般用于弹窗场景 |
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* @tutorial https://www.uviewui.com/components/mask.html |
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* @property {Boolean} show 是否显示遮罩(默认false) |
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* @property {String Number} z-index z-index 层级(默认1070) |
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* @property {Object} custom-style 自定义样式对象,见上方说明 |
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* @property {String Number} duration 动画时长,单位毫秒(默认300) |
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* @property {Boolean} zoom 是否使用scale对遮罩进行缩放(默认true) |
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* @property {Boolean} mask-click-able 遮罩是否可点击,为false时点击不会发送click事件(默认true) |
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* @event {Function} click mask-click-able为true时,点击遮罩发送此事件 |
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* @example <u-mask :show="show" @click="show = false"></u-mask> |
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*/ |
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export default { |
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name: "u-mask", |
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props: { |
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// 是否显示遮罩 |
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show: { |
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type: Boolean, |
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default: false |
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}, |
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// 层级z-index |
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zIndex: { |
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type: [Number, String], |
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default: '' |
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}, |
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// 用户自定义样式 |
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customStyle: { |
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type: Object, |
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default () { |
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return {} |
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} |
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}, |
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// 遮罩的动画样式, 是否使用使用zoom进行scale进行缩放 |
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zoom: { |
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type: Boolean, |
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default: true |
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}, |
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// 遮罩的过渡时间,单位为ms |
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duration: { |
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type: [Number, String], |
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default: 300 |
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}, |
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// 是否可以通过点击遮罩进行关闭 |
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maskClickAble: { |
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type: Boolean, |
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default: true |
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} |
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}, |
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data() { |
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return { |
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zoomStyle: { |
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transform: '' |
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}, |
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scale: 'scale(1.2, 1.2)' |
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} |
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}, |
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watch: { |
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show(n) { |
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if(n && this.zoom) { |
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// 当展示遮罩的时候,设置scale为1,达到缩小(原来为1.2)的效果 |
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this.zoomStyle.transform = 'scale(1, 1)'; |
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} else if(!n && this.zoom) { |
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// 当隐藏遮罩的时候,设置scale为1.2,达到放大(因为显示遮罩时已重置为1)的效果 |
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this.zoomStyle.transform = this.scale; |
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} |
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} |
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}, |
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computed: { |
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maskStyle() { |
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let style = {}; |
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style.backgroundColor = "rgba(0, 0, 0, 0.6)"; |
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if(this.show) style.zIndex = this.zIndex ? this.zIndex : this.$u.zIndex.mask; |
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else style.zIndex = -1; |
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style.transition = `all ${this.duration / 1000}s ease-in-out`; |
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// 判断用户传递的对象是否为空,不为空就进行合并 |
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if (Object.keys(this.customStyle).length) style = { |
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...style, |
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...this.customStyle |
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}; |
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return style; |
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} |
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}, |
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methods: { |
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click() { |
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if (!this.maskClickAble) return; |
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this.$emit('click'); |
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} |
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} |
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} |
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</script> |
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<style lang="scss" scoped> |
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@import "../../libs/css/style.components.scss"; |
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.u-mask { |
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position: fixed; |
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top: 0; |
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left: 0; |
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right: 0; |
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bottom: 0; |
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opacity: 0; |
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transition: transform 0.3s; |
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} |
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.u-mask-show { |
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opacity: 1; |
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} |
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.u-mask-zoom { |
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transform: scale(1.2, 1.2); |
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} |
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</style>
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