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