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68 lines
1.9 KiB
68 lines
1.9 KiB
<template> |
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<u-transition |
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:show="show" |
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custom-class="u-overlay" |
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:duration="duration" |
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:custom-style="overlayStyle" |
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@click="clickHandler" |
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> |
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<slot /> |
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</u-transition> |
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</template> |
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<script> |
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import props from './props.js'; |
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/** |
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* overlay 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/overlay.html |
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* @property {Boolean} show 是否显示遮罩（默认 false ） |
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* @property {String | Number} zIndex zIndex 层级（默认 10070 ） |
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* @property {String | Number} duration 动画时长，单位毫秒（默认 300 ） |
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* @property {String | Number} opacity 不透明度值，当做rgba的第四个参数 （默认 0.5 ） |
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* @property {Object} customStyle 定义需要用到的外部样式 |
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* @event {Function} click 点击遮罩发送事件 |
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* @example <u-overlay :show="show" @click="show = false"></u-overlay> |
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*/ |
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export default { |
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name: "u-overlay", |
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mixins: [uni.$u.mpMixin, uni.$u.mixin,props], |
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computed: { |
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overlayStyle() { |
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const style = { |
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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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zIndex: this.zIndex, |
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bottom: 0, |
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'background-color': `rgba(0, 0, 0, ${this.opacity})` |
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} |
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return uni.$u.deepMerge(style, uni.$u.addStyle(this.customStyle)) |
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} |
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}, |
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methods: { |
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clickHandler() { |
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this.$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/components.scss"; |
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$u-overlay-top:0 !default; |
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$u-overlay-left:0 !default; |
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$u-overlay-width:100% !default; |
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$u-overlay-height:100% !default; |
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$u-overlay-background-color:rgba(0, 0, 0, .7) !default; |
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.u-overlay { |
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position: fixed; |
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top:$u-overlay-top; |
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left:$u-overlay-left; |
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width: $u-overlay-width; |
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height:$u-overlay-height; |
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background-color:$u-overlay-background-color; |
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} |
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</style>
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