Vue（二十）：ElementUI 扩展实现表格组件的拖拽行

效果

源码

注意： 表格组件必须添加 row-key 属性，用来优化表格的渲染
html 复制代码
<template>
	<el-row :gutter="10">
		<el-col :span="12">
			<el-card class="card">
				<el-scrollbar>
					<span>注意: 表格组件必须添加 row-key 属性，用来优化表格的渲染</span>
					<pre>{{ JSON.stringify(tableData.map(d => JSON.stringify(d)), null, 4) }}</pre>
				</el-scrollbar>
			</el-card>
		</el-col>
		<el-col :span="12">
			<el-table ref="dragTableRef" style="width: 100%" :data="tableData" border stripe height="calc(100vh - 16px)" row-key="id">
				<el-table-column type="index" label="序号" width="60" align="center"/>
				<el-table-column prop="id" label="ID" align="center" width="100"/>
				<el-table-column prop="name" label="姓名" header-align="center"/>
				<el-table-column prop="email" label="邮箱" header-align="center"/>
				<el-table-column prop="address" label="地址" header-align="center"/>
			</el-table>
		</el-col>
	</el-row>
</template>

<script setup>
import {nextTick, reactive, ref} from "vue";
import Sortable from 'sortablejs';

const dragTableRef = ref(null);
const tableData = reactive([
	{id: '01', name: '西乐', email: '[email protected]', address: '安徽省宜都县普陀路304号'},
	{id: '02', name: '令玥傲', email: '[email protected]', address: '广东省六盘水县萧山街423号'},
	{id: '03', name: '爱宜豪', email: '[email protected]', address: '辽宁省六安县东城街448号'},
	{id: '04', name: '堵欣欣', email: '[email protected]', address: '乌鲁木齐市高明街32号'},
	{id: '05', name: '楚文杰', email: '[email protected]', address: '四川省台北县吉区街375号'},
	{id: '06', name: '法晨茜', email: '[email protected]', address: '陕西省荆门县翔安路22号'},
	{id: '07', name: '凤萌', email: '[email protected]', address: '台湾省台北县淄川街150号'},
	{id: '08', name: '驷尚', email: '[email protected]', address: '山东省乌鲁木齐市清浦街48号'},
	{id: '09', name: '房紫轩', email: '[email protected]', address: '黑龙江省济南县永川路79号'},
	{id: '10', name: '丘伟洋', email: '[email protected]', address: '北京市拉萨市南长路245号'},
]);

nextTick(() => {
	const tableBodyWrapperEl = dragTableRef.value.$el.querySelector('.el-table__inner-wrapper .el-table__body-wrapper');
	const el = tableBodyWrapperEl.querySelector('.el-table__body tbody');
	const scrollEl = tableBodyWrapperEl.querySelector('.el-scrollbar .el-scrollbar__wrap');
	new Sortable(el, {
		// 被选中项样式选择器
		chosenClass: 'bg-green',
		// 基于某标签进行滚动
		scroll: scrollEl,
		// 结束拖拽
		onEnd: e => {
			console.log(`位置: form ${e.oldIndex} to ${e.newIndex}`);
			// 位置相同为无效移动
			if (e.oldIndex === e.newIndex) return;
			// 获取旧位置数据
			const [item] = tableData.splice(e.oldIndex, 1);
			// 移动到新位置
			tableData.splice(e.newIndex, 0, item);
		},
	});
});
</script>

<style scoped>
.card {
	height: calc(100vh - 16px);

	::v-global(.el-card__body) {
		height: calc(100% - 40px);

		span {
			color: red;
		}
	}
}
</style>

<style>
.bg-green td {
	background-color: green !important;
}
</style>