请详细的说明在vue2.x的环境下使用ant design vue 如何实现表格的列拖拽 答案请做好缩进
时间: 2023-07-16 07:13:55 浏览: 109
在Vue2.x环境下使用Ant Design Vue实现表格的列拖拽需要进行以下步骤:
1. 安装Ant Design Vue
可以通过npm或yarn安装Ant Design Vue,具体命令如下:
```
npm install ant-design-vue --save
```
或者
```
yarn add ant-design-vue
```
2. 引入Ant Design Vue组件
在Vue组件中引入Ant Design Vue组件,具体代码如下:
```javascript
import { Table } from 'ant-design-vue';
export default {
components: {
Table
},
// ...
}
```
3. 设置表格的列属性
在`columns`属性中设置表格的列属性,并添加`customHeaderCell`属性,代码如下:
```javascript
<Table :columns="columns" :data-source="tableData">
<a-slot name="customHeaderCell" slot-scope="{ column }">
<div
class="drag-handler"
:class="{ active: isDragging && column.key === activeColumnKey }"
@mousedown="handleMouseDown($event, column)"
@mousemove="handleMouseMove($event, column)"
@mouseup="handleMouseUp"
>
{{ column.title }}
</div>
</a-slot>
</Table>
<script>
export default {
data () {
return {
columns: [
{
title: 'Name',
dataIndex: 'name',
key: 'name',
customHeaderCell: ({ column }) => {
return {
on: {
mousedown: event => this.handleMouseDown(event, column),
mousemove: event => this.handleMouseMove(event, column),
mouseup: this.handleMouseUp
}
}
}
},
// ...
],
// ...
}
},
methods: {
handleMouseDown (event, column) {
this.isDragging = true
this.activeColumnKey = column.key
this.draggedColumnIndex = this.columns.findIndex(col => col.key === column.key)
this.startX = event.clientX
},
handleMouseMove (event, column) {
if (this.isDragging && column.key === this.activeColumnKey) {
const deltaX = event.clientX - this.startX
this.columns = [...this.columns.slice(0, this.draggedColumnIndex), ...this.columns.slice(this.draggedColumnIndex + 1)]
this.columns.splice(this.columns.findIndex(col => col.key === column.key) + (deltaX > 0 ? 1 : 0), 0, column)
}
},
handleMouseUp () {
this.isDragging = false
this.activeColumnKey = null
this.draggedColumnIndex = null
this.startX = null
}
}
}
</script>
```
4. 添加样式
添加相应的样式,使表格列可以拖拽,代码如下:
```css
.drag-handler {
display: flex;
align-items: center;
cursor: move;
}
.drag-handler.active {
border-top: 2px solid #1890ff;
border-bottom: 2px solid #1890ff;
}
.drag-handler:after {
content: '';
display: block;
width: 2px;
height: 20px;
background-color: #ccc;
margin-left: 8px;
}
```
以上就是在Vue2.x环境下使用Ant Design Vue实现表格的列拖拽的具体步骤。