Vue3中的列表(表格)拖拽排序

【代码】Vue3中的列表(表格)拖拽排序。

兜小糖的小秃毛

5077人浏览 · 2023-07-05 10:15:05

兜小糖的小秃毛 · 2023-07-05 10:15:05 发布

一、draggable 实现拖拽排序

代码执行的逻辑是：列表项拖拽到可放置目标时，将该拖拽的元素从原位置删除，再将拖拽的元素插入到当前可放置目标的位置

1、利用 Vue 的内置组件，添加动画效果，让元素的过渡不会很生硬
2、列表项添加 draggable=“true”
3、列表项添加事件 dragstart dragenter dragend dragover
4、在 dragenter 事件中，需要传入列表项的下标，实时进行元素的排序。排序的核心逻辑在 dragenter 中

在这里插入图片描述

<template>
	<div class="DragSort">
		<TransitionGroup name="list" tag="div" class="container">
			<div class="item" v-for="(item, i) in list" :key="item.id" draggable="true" @dragstart="dragstart($event, i)" @dragenter="dragenter($event, i)" @dragend="dragend" @dragover="dragover">
				{{ item.name }}
			</div>
		</TransitionGroup>
	</div>
</template>
<script lang="ts">
import { defineComponent, reactive, toRefs } from 'vue';
export default defineComponent({
	setup() {
		const state = reactive<any>({
			list: [
				{ name: 'a', id: 1 },
				{ name: 'b', id: 2 },
				{ name: 'c', id: 3 },
				{ name: 'd', id: 4 },
				{ name: 'e', id: 5 },
			],
		});
		let dragIndex = 0;// 拖拽的元素索引值
		function dragstart(e: { stopPropagation: () => void; target: { classList: { add: (arg0: string) => void } } }, index: number) {
			e.stopPropagation();
			dragIndex = index;
			setTimeout(() => {
				e.target.classList.add('moveing');
			}, 0);
		}
		function dragenter(e: { preventDefault: () => void }, index: number) {
			e.preventDefault();
			// 拖拽到原位置时不触发
			if (dragIndex !== index) {
        // 拖拽的元素
				const source = state.list[dragIndex];
        // 删除原位置上的元素
				state.list.splice(dragIndex, 1);
        // 添加到拖拽位置
				state.list.splice(index, 0, source);
				// 更新节点位置
				dragIndex = index;
				// console.log(state.list, 'mmm');
			}
		}
		function dragover(e: { preventDefault: () => void; dataTransfer: { dropEffect: string } }) {
			e.preventDefault();
			e.dataTransfer.dropEffect = 'move';
		}
		function dragend(e: { target: { classList: { remove: (arg0: string) => void } } }) {
			e.target.classList.remove('moveing');
		}
		return {
			...toRefs(state),
			dragstart,
			dragenter,
			dragover,
			dragend,
		};
	},
});
</script>
<style lang="scss" scoped>
/* 对移动中的元素应用的过渡 */
.list-move,
.list-enter-active,
.list-leave-active {
	transition: all 0.2s ease;
}
.DragSort {
	width: 100%;
	.item {
		width: 200px;
		height: 40px;
		line-height: 40px;
		// background-color: #f5f6f8;
		background-color: skyblue;
		text-align: center;
		margin: 10px;
		color: #fff;
		font-size: 18px;
	}

	.container {
		position: relative;
		padding: 0;
	}

	.moveing {
		opacity: 0;
	}
}
</style>

二、sortablejs 实现拖拽排序

1、表格排序
在这里插入图片描述

<template>
	<!-- sortable.js 进行表格排序 -->
	<el-table :data="tableData" row-key="name" id="dragTable" border style="width: 800px">
		<el-table-column prop="date" label="Date" width="180" />
		<el-table-column prop="name" label="Name" width="180" />
		<el-table-column prop="address" label="Address" />
	</el-table>
</template>
<script lang="ts">
import { defineComponent, nextTick, onMounted, reactive, toRefs } from 'vue';
import Sortable from 'sortablejs';

export default defineComponent({
	setup() {
		const state = reactive<any>({
			tableData: [
				{
					date: '2016-05-03',
					name: 'Tom',
					address: 'No. 189, Grove St, Los Angeles',
				},
				{
					date: '2016-05-02',
					name: 'Cilly',
					address: 'No. 189, Grove St, Los Angeles',
				},
				{
					date: '2016-05-04',
					name: 'Linda',
					address: 'No. 189, Grove St, Los Angeles',
				},
				{
					date: '2016-05-01',
					name: 'John',
					address: 'No. 189, Grove St, Los Angeles',
				},
			],
		});
		function setSort() {
			const tbody = document.querySelector('#dragTable table tbody') as HTMLElement;
     		 // Sortable.create(tbody, {
			// 	animation: 150,
			// 	delay: 0,
			// 	// 结束拖拽后的回调函数
			// 	onEnd: (evt: { newIndex: any; oldIndex: any }) => {
			// 		const currentRow = state.tableData.splice(evt.oldIndex, 1)[0];
			// 		state.tableData.splice(evt.newIndex, 0, currentRow);
			// 	},
			// });
			new Sortable(tbody, {
				animation: 150,
				sort: true,
				ghostClass: 'sortable-ghost',
				onEnd: (e: any) => {
					const targetRow = state.tableData.splice(e.oldIndex, 1)[0];
					state.tableData.splice(e.newIndex, 0, targetRow);
					console.log(state.tableData);
				},
			});
		}
		onMounted(() => {
			setSort();
		});
		return {
			...toRefs(state),
      setSort,
		};
	},
});
</script>
<style lang="scss">
	.dragLayout {
		width: 100%;
	}
</style>

2、列表排序
在这里插入图片描述

安装：npm i sortablejs -S

<template>
	<!-- sortable.js 进行列表排序 -->
	<ul class="contentBox">
		<li class="contentItem" v-for="item in list" :key="item.id">
			<p class="typeName">{{ item.typeName }}</p>
		</li>
	</ul>
</template>
<script lang="ts">
import { defineComponent, onMounted, reactive, toRefs } from 'vue';
import Sortable from 'sortablejs';
export default defineComponent({
	setup() {
		const state = reactive<any>({
			list: [
				{
					typeName: 'aa',
					id: 1,
				},{
					typeName: 'bb',
					id: 2,
				},{
					typeName: 'cc',
					id: 3,
				},{
					typeName: 'dd',
					id: 4,
				},
			],
		});
		function rowDrop() {
			const el = document.querySelectorAll('.contentBox')[0] as HTMLElement;
			Sortable.create(el, {
				animation: 150,
				delay: 0,
				disabled: false,
				// 结束拖拽后的回调函数
				onEnd: (evt: { newIndex: any; oldIndex: any }) => {
					const currentRow = state.list.splice(evt.oldIndex, 1)[0];
					state.list.splice(evt.newIndex, 0, currentRow);
          console.log(state.list)
				},
			});
		}
		onMounted(() => {
			rowDrop();
		});
		return {
			...toRefs(state),
		};
	},
});
</script>
<style lang="scss">
.contentBox {
	width: 100%;
	.contentItem {
		width: 200px;
		height: 32px;
		line-height: 32px;
		background: #7bb3eb;
		margin-bottom: 10px;
	}
}
</style>

三、vuedraggable 实现拖拽排序

安装：npm i -S vuedraggable@next

1、单列排序
在这里插入图片描述

<template>
	<div>
		<!-- chosen-class 为拖拽时的样式。 -->
		<draggable :list="list" :force-fallback="true" chosen-class="chosen" animation="300" @end="onEnd">
			<template #item="{ element }">
				<div class="item">
					{{ element.name }}
				</div>
			</template>
		</draggable>
	</div>
</template>

<script lang="ts">
import { defineComponent, reactive, toRefs } from 'vue';
import draggable from 'vuedraggable';
export default defineComponent({
	components: {
		draggable,
	},
	setup() {
		const state = reactive<any>({
			list: [
				{
					id: 1,
					name: '张三',
				},
				{
					id: 2,
					name: '李四',
				},
				{
					id: 3,
					name: '王五',
				},
			],
		});
		function onEnd() {
			console.log(state.list);
		}
		return {
			...toRefs(state),
			onEnd,
		};
	},
});
</script>
<style lang="scss">
.chosen {
	background: #d5d3d7;
}
.item {
	width: 200px;
	height: 32px;
	line-height: 32px;
	background: #7bb3eb;
	margin-bottom: 10px;
}
</style>

2、双列排序
在这里插入图片描述

<template>
	<div class="box">
		<!-- 为组件设置相同的 group 属性，可以实现在不同的块之间拖拽 -->
		<draggable group="group" :list="list1" :move="onMove1" chosen-class="chosen1" animation="300" @end="onEnd">
			<template #item="{ element }">
				<div class="item bck1">
					{{ element.name }}
				</div>
			</template>
		</draggable>

		<draggable group="group" :list="list2" :move="onMove2" chosen-class="chosen2" animation="300" @end="onEnd">
			<template #item="{ element }">
				<div class="item bck2">
					{{ element.name }}
				</div>
			</template>
		</draggable>
	</div>
</template>

<script lang="ts">
import { defineComponent, reactive, toRefs } from 'vue';
import draggable from 'vuedraggable';
export default defineComponent({
	components: {
		draggable,
	},
	setup() {
		const state = reactive<any>({
			list1: [
				{
					id: 1,
					name: '张三',
				},
				{
					id: 2,
					name: '李四',
				},
				{
					id: 3,
					name: '王五',
				},
			],
			list2: [
				{
					id: 1,
					name: '牙刷',
				},
				{
					id: 2,
					name: '毛巾',
				},
				{
					id: 3,
					name: '梳子',
				},
			],
		});
		function onEnd() {
			console.log(state.list1, '111');
			console.log(state.list2, '2222');
		}
		return {
			...toRefs(state),
			onEnd,
		};
	},
});
</script>
<style lang="scss">
.box {
	display: flex;
	.item {
		width: 200px;
		height: 32px;
		line-height: 32px;
		margin-right: 40px;
		margin-bottom: 20px;
	}
	.bck1 {
		background: #9f6dd1;
	}
	.bck2 {
		background: #4de0e6;
	}
}
.chosen1 {
	background: red;
}
.chosen2 {
	background: #d5d3d7;
}
</style>

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