168 lines
5.8 KiB
Markdown
168 lines
5.8 KiB
Markdown
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## Popover 弹出框
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### 基础用法
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Popover 的属性与 Tooltip 很类似，它们都是基于`Vue-popper`开发的，因此对于重复属性，请参考 Tooltip 的文档，在此文档中不做详尽解释。
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:::demo `trigger`属性用于设置何时触发 Popover，支持四种触发方式：`hover`，`click`，`focus` 和 `manual`。对于触发 Popover 的元素，有两种写法：使用 `slot="reference"` 的具名插槽，或使用自定义指令`v-popover`指向 Popover 的索引`ref`。
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```html
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<template>
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<el-popover
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placement="top-start"
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title="标题"
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width="200"
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trigger="hover"
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content="这是一段内容,这是一段内容,这是一段内容,这是一段内容。">
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<el-button slot="reference">hover 激活</el-button>
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</el-popover>
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<el-popover
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placement="bottom"
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title="标题"
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width="200"
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trigger="click"
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content="这是一段内容,这是一段内容,这是一段内容,这是一段内容。">
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<el-button slot="reference">click 激活</el-button>
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</el-popover>
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<el-popover
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ref="popover"
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placement="right"
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title="标题"
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width="200"
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trigger="focus"
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content="这是一段内容,这是一段内容,这是一段内容,这是一段内容。">
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</el-popover>
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<el-button v-popover:popover>focus 激活</el-button>
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<el-popover
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placement="bottom"
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title="标题"
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width="200"
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trigger="manual"
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content="这是一段内容,这是一段内容,这是一段内容,这是一段内容。"
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v-model="visible">
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<el-button slot="reference" @click="visible = !visible">手动激活</el-button>
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</el-popover>
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</template>
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<script>
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export default {
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data() {
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return {
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visible: false
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};
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}
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};
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</script>
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```
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:::
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### 嵌套信息
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可以在 Popover 中嵌套多种类型信息，以下为嵌套表格的例子。
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:::demo 利用分发取代`content`属性
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```html
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<el-popover
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placement="right"
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width="400"
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trigger="click">
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<el-table :data="gridData">
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<el-table-column width="150" property="date" label="日期"></el-table-column>
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<el-table-column width="100" property="name" label="姓名"></el-table-column>
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<el-table-column width="300" property="address" label="地址"></el-table-column>
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</el-table>
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<el-button slot="reference">click 激活</el-button>
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</el-popover>
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<script>
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export default {
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data() {
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return {
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gridData: [{
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date: '2016-05-02',
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name: '王小虎',
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address: '上海市普陀区金沙江路 1518 弄'
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}, {
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date: '2016-05-04',
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name: '王小虎',
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address: '上海市普陀区金沙江路 1518 弄'
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}, {
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date: '2016-05-01',
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name: '王小虎',
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address: '上海市普陀区金沙江路 1518 弄'
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}, {
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date: '2016-05-03',
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name: '王小虎',
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address: '上海市普陀区金沙江路 1518 弄'
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}]
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};
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}
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};
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</script>
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```
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:::
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### 嵌套操作
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当然，你还可以嵌套操作，这相比 Dialog 更为轻量：
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:::demo
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```html
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<el-popover
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placement="top"
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width="160"
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v-model="visible">
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<p>这是一段内容这是一段内容确定删除吗？</p>
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<div style="text-align: right; margin: 0">
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<el-button size="mini" type="text" @click="visible = false">取消</el-button>
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<el-button type="primary" size="mini" @click="visible = false">确定</el-button>
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</div>
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<el-button slot="reference">删除</el-button>
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</el-popover>
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<script>
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export default {
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data() {
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return {
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visible: false,
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};
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}
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}
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</script>
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```
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:::
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### Attributes
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| 参数 | 说明 | 类型 | 可选值 | 默认值 |
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|--------------------|----------------------------------------------------------|-------------------|-------------|--------|
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| trigger | 触发方式 | String | click/focus/hover/manual | click |
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| title | 标题 | String | — | — |
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| content | 显示的内容，也可以通过 `slot` 传入 DOM | String | — | — |
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| width | 宽度 | String, Number | — | 最小宽度 150px |
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| placement | 出现位置 | String | top/top-start/top-end/bottom/bottom-start/bottom-end/left/left-start/left-end/right/right-start/right-end | bottom |
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| disabled | Popover 是否可用 | Boolean | — | false |
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| value / v-model | 状态是否可见 | Boolean | — | false |
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| offset | 出现位置的偏移量 | Number | — | 0 |
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| transition | 定义渐变动画 | String | — | fade-in-linear |
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| visible-arrow | 是否显示 Tooltip 箭头，更多参数可见[Vue-popper](https://github.com/element-component/vue-popper) | Boolean | — | true |
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| popper-options | [popper.js](https://popper.js.org/documentation.html) 的参数 | Object | 参考 [popper.js](https://popper.js.org/documentation.html) 文档 | `{ boundariesElement: 'body', gpuAcceleration: false }` |
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| popper-class | 为 popper 添加类名 | String | — | — |
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| open-delay | 触发方式为 hover 时的显示延迟，单位为毫秒 | Number | — | — |
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| close-delay | 触发方式为 hover 时的隐藏延迟，单位为毫秒 | number | — | 200 |
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| tabindex | Popover 组件的 [tabindex](https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/tabindex) | number | — | 0 |
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### Slot
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| 参数 | 说明 |
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|--- | ---|
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| — | Popover 内嵌 HTML 文本 |
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| reference | 触发 Popover 显示的 HTML 元素 |
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### Events
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| 事件名称 | 说明 | 回调参数 |
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| show | 显示时触发 | — |
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| after-enter | 显示动画播放完毕后触发 | — |
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| hide | 隐藏时触发 | — |
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| after-leave | 隐藏动画播放完毕后触发 | — |
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