vue3实现多表头列表el-table，拖拽，鼠标滑轮滚动条优化

需求背景

需要实现多表头列表的用户体验优化

解决效果

index.vue

<!--/**
* @author: liuk
* @date: 2024-07-03
* @describe:**** 多表头列表
*/-->
<template><el-table ref="tableRef" height="calc(100% - 80px)" :data="listData" border v-loading="loading" stripestyle="width: 100%" :resizable="false" @mousedown="mouseDownHandler" @mouseup="mouseUpHandler"@mousemove="mouseMoveHandler" element-loading-text="数据加载中..."><el-table-column label='时间' prop="tiem" width="145" fixed align="center" v-if="listData.length"><template #default="scope">{{ moment(scope.row['time']).format('YYYY/MM/DD HH:mm') }}</template></el-table-column><el-table-column v-for="(item, index) in keyArr" :key="index" :label=item.name :prop=item.propsalign="center" :width="item.name.length * 12 + 20 > 110 ? item.name.length * 12 + 20 : 110"><template #default="scope"><el-input class="cell-input" @change="addEditItem(scope.row[item.props])" :disabled="!disadledFalg"v-model.number="scope.row[item.props].rainstormValue"/></template></el-table-column></el-table>
</template><script lang="ts" setup>
import {reactive, toRefs} from "vue"
import moment from "moment";const model = reactive({keyArr: [...] // {name: '名称', props: 'name'}listData: [],loading: false,
})
const { keyArr,listData,loading} = toRefs(model)onMounted(() => {addTableWheel()
})// 列表长表头拖拽优化
const tableRef = ref(null)
const mouseFlag = ref(false)
const mouseOffset = ref(0)
const addTableWheel = () => {tableRef.value.scrollBarRef.wrapRef.addEventListener('wheel', event => {event.preventDefault()const delta = event.deltaX || event.deltaYtableRef.value.scrollBarRef.wrapRef.scrollLeft += delta})
}
const mouseDownHandler = (e) => {mouseOffset.value = e.clientX;mouseFlag.value = true;
}
const mouseUpHandler = () => {mouseFlag.value = false;
}
const mouseMoveHandler = (e) => {let divData = tableRef.value.scrollBarRef.wrapRef;if (mouseFlag.value) {divData.scrollLeft -= (-mouseOffset.value + (mouseOffset.value = e.clientX));}
}
</script><style lang="scss" scoped>
:deep(.el-table) {.el-table__inner-wrapper {height: 100% !important;}.el-scrollbar__thumb {background: #151515;}
}
</style>