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86 lines
1.7 KiB
Markdown
86 lines
1.7 KiB
Markdown
# Overlay 遮罩层
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### 介绍
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创建一个遮罩层,用于强调特定的页面元素,并阻止用户进行其他操作
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### 引入
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```js
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import Vue from 'vue';
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import { Overlay } from 'vant';
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Vue.use(Overlay);
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```
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## 代码演示
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### 基础用法
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```html
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<van-button type="primary" text="显示遮罩层" @click="show = true" />
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<van-overlay :show="show" @click="show = false" />
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```
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```js
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export default {
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data() {
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return {
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show: false
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}
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}
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},
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```
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### 嵌入内容
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通过默认插槽可以在遮罩层上嵌入任意内容
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```html
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<van-overlay :show="show" @click="show = false">
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<div class="wrapper" @click.stop>
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<div class="block" />
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</div>
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</van-overlay>
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<style>
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.wrapper {
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display: flex;
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align-items: center;
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justify-content: center;
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height: 100%;
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}
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.block {
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width: 120px;
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height: 120px;
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background-color: #fff;
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}
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</style>
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```
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## API
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### Props
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| 参数 | 说明 | 类型 | 默认值 |
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| --- | --- | --- | --- |
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| show | 是否展示遮罩层 | _boolean_ | `false` |
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| z-index | z-index 层级 | _number \| string_ | `1` |
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| duration | 动画时长,单位秒 | _number \| string_ | `0.3` |
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| class-name | 自定义类名 | _string_ | - |
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| custom-style `v2.2.5` | 自定义样式 | _object_ | - |
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| lock-scroll `v2.6.2` | 是否锁定背景滚动,锁定时蒙层里的内容也将无法滚动 | _boolean_ | `true` |
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### Events
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| 事件名 | 说明 | 回调参数 |
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| ------ | ---------- | -------------- |
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| click | 点击时触发 | _event: Event_ |
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### Slots
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| 名称 | 说明 |
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| ---------------- | ---------------------------------- |
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| default `v2.0.5` | 默认插槽,用于在遮罩层上方嵌入内容 |
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