<template>
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<div>
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<!-- 正常区域的框 -->
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<div class="vxe-table--cell-area" ref="cellarea">
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<span class="vxe-table--cell-main-area"></span>
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<span class="vxe-table--cell-active-area"></span>
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</div>
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<!-- 左侧fixed区域的框 -->
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<div class="vxe-table--cell-area" ref="leftfixedcellarea">
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<span class="vxe-table--cell-main-area"></span>
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<span class="vxe-table--cell-active-area"></span>
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</div>
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<!-- 右侧fixed区域的框 -->
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<div class="vxe-table--cell-area" ref="rightfixedcellarea">
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<span class="vxe-table--cell-main-area"></span>
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<span class="vxe-table--cell-active-area"></span>
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</div>
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<vxe-grid ref='xGrid' v-bind="gridOptions" height="500px"
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@toolbar-button-click="toolbarButtonClickEvent">
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</vxe-grid>
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</div>
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</template>
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<script lang="ts" setup>
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import { VxeGridProps } from 'vxe-table'
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import {nextTick, onMounted, reactive, ref} from "vue";
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let title = [//列总宽度为1500
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{ width: 100, field: "id", title: "#", align: "left", fixed: 'left' },
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{ width: 100, field: "name", title: "姓名", align: "left", fixed: 'left' },
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{ width: 400, field: "age", title: "年龄", align: "left" },
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{ width: 400, field: "sex", title: "性别", align: "left" },
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{ width: 100, field: "job", title: "岗位", align: "left", fixed: 'right' },
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{ width: 100, field: "address", title: "地址", align: "left", fixed: 'right' }
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]
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let tableDate = [
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{ id: 1, name: "张三", age: 30, sex: "男", job: "前端", address: "中国xxxxxxxxxx" },
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{ id: 2, name: "李四", age: 30, sex: "男", job: "后端", address: "中国xxxxxxxxxx" },
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{ id: 3, name: "王五", age: 30, sex: "女", job: "运维", address: "中国xxxxxxxxxx" },
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{ id: 4, name: "赵六", age: 30, sex: "男", job: "美工", address: "中国xxxxxxxxxx" },
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{ id: 5, name: "老八", age: 30, sex: "男", job: "项目经理", address: "中国xxxxxxxxxx" },
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{ id: 6, name: "桀桀", age: 30, sex: "女", job: "售后", address: "中国xxxxxxxxxx" },
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{ id: 7, name: "张三", age: 30, sex: "男", job: "前端", address: "中国xxxxxxxxxx" },
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{ id: 8, name: "李四", age: 30, sex: "男", job: "后端", address: "中国xxxxxxxxxx" },
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{ id: 9, name: "王五", age: 30, sex: "女", job: "运维", address: "中国xxxxxxxxxx" },
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{ id: 10, name: "赵六", age: 30, sex: "男", job: "美工", address: "中国xxxxxxxxxx" },
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{ id: 11, name: "老八", age: 30, sex: "男", job: "项目经理", address: "中国xxxxxxxxxx" },
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{ id: 12, name: "桀桀", age: 30, sex: "女", job: "售后", address: "中国xxxxxxxxxx" },
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{ id: 13, name: "张三", age: 30, sex: "男", job: "前端", address: "中国xxxxxxxxxx" },
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{ id: 14, name: "李四", age: 30, sex: "男", job: "后端", address: "中国xxxxxxxxxx" },
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{ id: 15, name: "王五", age: 30, sex: "女", job: "运维", address: "中国xxxxxxxxxx" },
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{ id: 16, name: "赵六", age: 30, sex: "男", job: "美工", address: "中国xxxxxxxxxx" },
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{ id: 17, name: "老八", age: 30, sex: "男", job: "项目经理", address: "中国xxxxxxxxxx" },
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{ id: 18, name: "桀桀", age: 30, sex: "女", job: "售后", address: "中国xxxxxxxxxx" },
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{ id: 19, name: "张三", age: 30, sex: "男", job: "前端", address: "中国xxxxxxxxxx" },
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{ id: 20, name: "李四", age: 30, sex: "男", job: "后端", address: "中国xxxxxxxxxx" },
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{ id: 21, name: "王五", age: 30, sex: "女", job: "运维", address: "中国xxxxxxxxxx" },
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{ id: 22, name: "赵六", age: 30, sex: "男", job: "美工", address: "中国xxxxxxxxxx" },
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{ id: 23, name: "老八", age: 30, sex: "男", job: "项目经理", address: "中国xxxxxxxxxx" },
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{ id: 24, name: "桀桀", age: 30, sex: "女", job: "售后", address: "中国xxxxxxxxxx" },
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]
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let gridOptions = reactive<VxeGridProps<any>>({
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//左上角按钮
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toolbarConfig: {
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perfect: true,
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enabled: true,
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size: "mini",
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buttons: [
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{
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code: 'getcellselctdata', type: "text", name: '获取选中数据'
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}
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],
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},
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//列配置 (使用列拖拽功能,必须配置useKey为true)
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columnConfig: { resizable: true, useKey: true },
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//边框
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border: "full",
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//斑马纹
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stripe: true,
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//列信息
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columns: title,
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//数据
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data: tableDate,
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//这里一定要指定true,否则rowConfig的height没用
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showOverflow: true,
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//行配置,这里的行高一定需要指定
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rowConfig: { isCurrent: true, height: 35, isHover: true },
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})
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//#region 以下是鼠标选中功能
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//鼠标滑动选中
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let isSelecting = ref(false) // 是否正在进行选择操作,默认为false
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let selectionStart = reactive({ rowIndex: -1, cellIndex: -1 }) // 选择操作起始单元格位置
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let selectionEnd = reactive({ rowIndex: -1, cellIndex: -1 }) // 选择操作结束单元格位置
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onMounted(() => {
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addListener()
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})
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//获取页面ref节点
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//获取vxetable表格节点
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let xGrid = ref()
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let cellarea = ref()
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let leftfixedcellarea = ref()
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let rightfixedcellarea = ref()
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//返回table的ref名称
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const getTablexGrid = () => {
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return xGrid.value
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}
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//添加事件
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const addListener = () => {
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//添加多选列
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nextTick(() => {
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window.addEventListener("mousedown", tableOutDestroyAreaBox)//给window添加鼠标按下事件,判断是否在表格外,是销毁
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window.addEventListener("mouseup", tbodymouseup)//给window添加鼠标松开事件
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let tbody = getTablexGrid().$el.querySelector(".vxe-table--main-wrapper table tbody")//获取tbody区域
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if (tbody) {
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tbody.addEventListener("mousedown", tbodymousedown)//给表格中的tbody添加鼠标按下事件
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tbody.addEventListener("mousemove", tbodymousemove)//给表格中的tbody添加鼠标移动事件
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tbody.addEventListener("mouseout", throttle(tbodymouseout, 50))//给表格中的tbody添加鼠标移出事件
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tbody.addEventListener("click", tableCellClick)//添加左键单击事件
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tbody.oncontextmenu = tableCellMenuClick//添加右键菜单事件
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}
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let bodyWrapper = getTablexGrid().$el.querySelector(".vxe-table--main-wrapper .vxe-table--body-wrapper")//获取正常区域的body
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if (bodyWrapper) {
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//注意这里的ref名称,这里是非fixed区域的框的名称
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bodyWrapper.appendChild(cellarea.value)//添加范围框元素
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}
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setTimeout(() => {
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//#region 左侧固定列
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let leftfixedtbody = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper table tbody")//获取fixedtbody区域
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if (leftfixedtbody) {
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leftfixedtbody.addEventListener("mousedown", tbodymousedown)//给表格中的leftfixedtbody添加鼠标按下事件
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leftfixedtbody.addEventListener("mousemove", tbodymousemove)//给表格中的leftfixedtbody添加鼠标移动事件
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leftfixedtbody.addEventListener("mouseout", throttle(tbodymouseout, 50))//给表格中的leftfixedtbody添加鼠标移出事件
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leftfixedtbody.addEventListener("click", tableCellClick)//添加单击事件
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leftfixedtbody.oncontextmenu = tableCellMenuClick//添加右键菜单事件
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}
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let leftFixedBodyWrapper = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper")
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if (leftFixedBodyWrapper) {
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//注意这里的ref名称,这里是fixed区域的框的名称
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leftFixedBodyWrapper.appendChild(leftfixedcellarea.value)
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}
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//#endregion
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//#region 右侧固定列
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let rightfixedtbody = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper table tbody")//获取fixedtbody区域
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if (rightfixedtbody) {
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rightfixedtbody.addEventListener("mousedown", tbodymousedown)//给表格中的rightfixedtbody添加鼠标按下事件
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rightfixedtbody.addEventListener("mousemove", tbodymousemove)//给表格中的rightfixedtbody添加鼠标移动事件
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rightfixedtbody.addEventListener("mouseout", throttle(tbodymouseout, 50))//给表格中的rightfixedtbody添加鼠标移出事件
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rightfixedtbody.addEventListener("click", tableCellClick)//添加单击事件
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rightfixedtbody.oncontextmenu = tableCellMenuClick//添加右键菜单事件
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}
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let rightFixedBodyWrapper = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper")
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if (rightFixedBodyWrapper) {
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//注意这里的ref名称,这里是fixed区域的框的名称
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rightFixedBodyWrapper.appendChild(rightfixedcellarea.value)
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}
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//#endregion
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}, 100)
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})
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}
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//鼠标按下事件
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const tbodymousedown = (event: MouseEvent) => {
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event.stopPropagation()//阻止冒泡
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getTablexGrid().closeMenu()//手动关闭右键菜单
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//左键0,中键1,右键2
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if (event.button === 0) {//左键按下
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// 记录选择操作起始位置
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selectionStart = getCellPosition(event.target)//设置选择操作起始单元格位置
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isSelecting.value = true//标记为正在选择操作
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}
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}
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//鼠标移动事件
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//todo 这里要节流操作,只在结束时触发一次
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const tbodymousemove = (event: MouseEvent) => {
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if (event.button === 0) {//左键移动
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if (!isSelecting.value) return//如果当前非正在选择操作,直接退出
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//记录选择操作结束位置
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selectionEnd = getCellPosition(event.target)
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//设置样式,并显示范围框
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setselectedCellArea()
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}
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}
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//鼠标按键结束事件,添加在了window中
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const tbodymouseup = (event: MouseEvent) => {
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if (event.button === 0) {//左键松开
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isSelecting.value = false//标记为停止选择操作
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}
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}
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let outevent = ref()//移动事件,不保存,循环定时器内无法监听到新的事件
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//鼠标移出表格事件,只在移动的时候会触发,暂停移动不触发
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const tbodymouseout = (event: MouseEvent) => {
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outevent.value = event//保存移动事件
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if (isSelecting.value) {//如果正在执行选中操作
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const timer = setInterval(() => {//开启循环定时器
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if (isSelecting.value) {//判断当前是否正在选择
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//获取表格元素
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var table = getTablexGrid().$el.querySelector(".vxe-table--body-wrapper table")//获取非固定列(和固定列)的table元素
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if (outevent.value.clientX > table.parentElement.getBoundingClientRect().right - 30) {//判断鼠标x轴是否超出表格右侧,向右滚动
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var maxScrollPosition = table.parentElement.scrollWidth - table.parentElement.clientWidth//获取滚动条最大位置
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if (table.parentElement.scrollLeft < maxScrollPosition) {//如果没到滚动条最大位置,执行滚动
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table.parentElement.scrollLeft += 10//执行水平滚动条向右滚动
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}
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} else if (outevent.value.clientX < table.parentElement.getBoundingClientRect().left + 30) {//判断鼠标x轴是否超出表格左侧,向左滚动
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if (table.parentElement.scrollLeft > 0) {//如果没到滚动条最大位置,执行滚动
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//鼠标移出表格,滚动水平滚动条
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table.parentElement.scrollLeft -= 10//执行水平滚动条向右滚动
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}
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}
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} else {
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clearInterval(timer)//清除循环定时器
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}
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}, 200)//这里设置滑动速度
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}
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}
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//节流函数,todo//改为全局
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const throttle = (fn: Function, delay: number) => {
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const canRun = ref(true)
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return (...args: any[]) => {
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if (!canRun.value) return
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canRun.value = false
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setTimeout(() => {
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fn(...args)
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canRun.value = true
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}, delay)
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}
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}
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// 获取单元格位置(rowIndex, cellIndex)
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const getCellPosition = (cell: any) => {
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while (cell.tagName !== 'TD') {//将cell指向TD元素
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cell = cell.parentElement
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}
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let visibleColumn = getTablexGrid().getTableColumn().visibleColumn//获取处理条件之后的全量表头列
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const cellIndex = visibleColumn.findIndex((col: { id: any; }) => {//返回colid相等的visibleColumn全量表头列的索引
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return col.id == cell.getAttribute("colid")
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})
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let visibleData = getTablexGrid().getTableData().visibleData//获取处理条件之后的全量表体数据
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const rowIndex = visibleData.findIndex((row: { _X_ROW_KEY: any; }) => {//返回rowid相等的visibleData全量表体数据
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return row._X_ROW_KEY == cell.parentElement.getAttribute("rowid")//返回rowid相等的visibleData全量表体数据的索引
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})
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return { rowIndex, cellIndex }
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}
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//设置框打开
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const setselectedCellArea = () => {
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var activeElement = getTablexGrid().$el.querySelector(".vxe-table--main-wrapper .vxe-table--body-wrapper .vxe-table--cell-active-area")//正常区域选中边框激活的元素(仅是边框)
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var mainElement = getTablexGrid().$el.querySelector(".vxe-table--main-wrapper .vxe-table--body-wrapper .vxe-table--cell-main-area")//正常区域选中边框内整个范围的元素
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var leftFixedActiveElement = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper .vxe-table--cell-active-area")//左侧固定列选中边框激活的元素(仅是边框)
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var leftFixedMainElement = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper .vxe-table--cell-main-area")//左侧固定列选中边框内整个范围的元素
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var rightFixedActiveElement = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper .vxe-table--cell-active-area")//右侧固定列选中边框激活的元素(仅是边框)
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var rightFixedMainElement = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper .vxe-table--cell-main-area")//右侧固定列选中边框内整个范围的元素
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var elements = [activeElement, mainElement, leftFixedActiveElement, leftFixedMainElement, rightFixedActiveElement, rightFixedMainElement]
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let area = getAreaBoxPosition()
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if (area) {
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var { width, height, left, top, right } = area
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} else {
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return
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}
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elements.forEach((element, index) => {
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if (element) {//设置显示范围框的内部元素的样式
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element.style.width = `${width}px`
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element.style.height = `${height}px`
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element.style.top = `${top}px`
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element.style.display = "block"
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if (index <= elements.length - 1 - 2) {//如果不是rightFixedActiveElement或rightFixedMainElement
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element.style.left = `${left}px`
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} else {
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element.style.right = `${right}px`
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}
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}
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})
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//显示范围框
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openAreaBox()
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}
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//根据开始位置和结束位置的索引计算框的width,height,left,top(左侧固定列和正常区域和右侧固定列使用)
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const getAreaBoxPosition = () => {
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let startRowIndex = selectionStart.rowIndex//获取选中起始行索引
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let endRowIndex = selectionEnd.rowIndex//获取选中结束行索引
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let startColumnIndex = selectionStart.cellIndex//获取选中起始列索引
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let endColumnIndex = selectionEnd.cellIndex//获取选中结束列索引
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let visibleColumn = getTablexGrid().getTableColumn().visibleColumn//获取处理条件之后的全量表头列
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let visibleData = getTablexGrid().getTableData().visibleData//获取处理条件之后的全量表体数据
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if (startColumnIndex < 0 || endColumnIndex < 0 || startRowIndex < 0 || endRowIndex < 0) return
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var maxColumnIndex = visibleColumn.length - 1//最大列索引
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var maxRowIndex = visibleData.length - 1//最大行索引
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if (endColumnIndex > maxColumnIndex) {//到最后一列,指向最后一列
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endColumnIndex = maxColumnIndex
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}
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if (endRowIndex > maxRowIndex) {//到最后一行,指向最后一行
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endRowIndex = maxRowIndex
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}
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let width = 0, height = 0, left = 0, top = 0, right = 0
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visibleColumn.forEach((col: { renderWidth: number; }, index: number) => {
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if (startColumnIndex <= endColumnIndex) {//开始列索引小于结束列索引,即从左往右选择
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if (index < startColumnIndex) {
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left += col.renderWidth//距离表格整体左侧边框距离
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}
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if (index > endColumnIndex) {//数据索引大于结束列,这里获取距离后面数据的宽度
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right += col.renderWidth//距离表格整体右侧边框距离,加上当前列
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}
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if (startColumnIndex <= index && index <= endColumnIndex) {//开始列索引大于数据索引 和 结束列索引小于数据索引,这里获取选中区域的宽度
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width += col.renderWidth//选中区域的宽度
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}
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} else {//从右往左选择
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if (index < endColumnIndex) {
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left += col.renderWidth//距离表格整体左侧边框距离
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}
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if (index > startColumnIndex) {//数据索引大于开始列,这里获取距离后面数据的宽度
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right += col.renderWidth//距离表格整体右侧边框距离,加上当前列
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}
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if (startColumnIndex >= index && index >= endColumnIndex) {//开始列索引大于数据索引 和 结束列索引小于数据索引,这里获取选中区域的宽度
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width += col.renderWidth//选中区域的宽度
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}
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}
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})
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if (startRowIndex <= endRowIndex) {//开始行索引小于结束行索引,即从上往下选择
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height = (endRowIndex - startRowIndex + 1) * gridOptions.rowConfig!.height!//选中区域的高度
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top = startRowIndex * gridOptions.rowConfig!.height!//距离表格整体顶部边框距离
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} else {
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height = (startRowIndex - endRowIndex + 1) * gridOptions.rowConfig!.height!//选中区域的高度
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top = endRowIndex * gridOptions.rowConfig!.height!//距离表格整体顶部边框距离
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}
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return { width, height, left, top, right }
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}
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//显示范围框
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const openAreaBox = () => {
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var element = xGrid.value.$el.querySelector(".vxe-table--main-wrapper .vxe-table--body-wrapper .vxe-table--cell-area")
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if (element) {
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element.style.display = "block"
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}
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element = xGrid.value.$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper .vxe-table--cell-area")
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if (element) {
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element.style.display = "block"
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}
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element = xGrid.value.$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper .vxe-table--cell-area")
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if (element) {
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element.style.display = "block"
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}
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}
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//表格外销毁范围框
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const tableOutDestroyAreaBox = (event: MouseEvent) => {
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var element = getTablexGrid().$el.querySelector(".vxe-table--render-wrapper")
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if (element) {
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if (event.clientX < element.getBoundingClientRect().left || event.clientX > element.getBoundingClientRect().right
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|| event.clientY > element.getBoundingClientRect().top || event.clientY < element.getBoundingClientRect().bottom
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) {
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destroyAreaBox()
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}
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}
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}
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//销毁范围框
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const destroyAreaBox = () => {
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var element = getTablexGrid().$el.querySelector(".vxe-table--main-wrapper .vxe-table--body-wrapper .vxe-table--cell-area")
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if (element) {
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element.style.display = "none"
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}
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element = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-left-wrapper .vxe-table--body-wrapper .vxe-table--cell-area")
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if (element) {
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element.style.display = "none"
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}
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element = getTablexGrid().$el.querySelector(".vxe-table--fixed-wrapper .vxe-table--fixed-right-wrapper .vxe-table--body-wrapper .vxe-table--cell-area")
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if (element) {
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element.style.display = "none"
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}
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}
|
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//表格单元格点击事件
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const tableCellClick = (e: MouseEvent) => {
|
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if (!isSelecting.value) {//非选中状态
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try {
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selectionStart = getCellPosition(e.target)//获取单元格位置
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selectionEnd = selectionStart//结束位置也是自己
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//设置样式
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setselectedCellArea()
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} catch (error) {
|
|
}
|
|
}
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}
|
|
//表格右键点击事件
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const tableCellMenuClick = (e: MouseEvent) => {
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if (!isSelecting.value) {//非选中状态
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let currentCellPosition = getCellPosition(e.target)//获取单元格位置
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var horizontalFlag//是否在范围框的水平判断标记
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var verticalFlag//是否在范围框的垂直判断标记
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if (selectionStart.cellIndex <= selectionEnd.cellIndex) {//如果是从左往右选取
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horizontalFlag = selectionStart.cellIndex <= currentCellPosition.cellIndex && currentCellPosition.cellIndex <= selectionEnd.cellIndex
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} else {//从右往左选取
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horizontalFlag = selectionEnd.cellIndex <= currentCellPosition.cellIndex && currentCellPosition.cellIndex <= selectionStart.cellIndex
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}
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if (selectionStart.rowIndex <= selectionEnd.rowIndex) {//如果是从上往下选取
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verticalFlag = selectionStart.rowIndex <= currentCellPosition.rowIndex && currentCellPosition.rowIndex <= selectionEnd.rowIndex
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} else {//从下往上选取
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verticalFlag = selectionEnd.rowIndex <= currentCellPosition.rowIndex && currentCellPosition.rowIndex <= selectionStart.rowIndex
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}
|
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if (horizontalFlag && verticalFlag) { //判断如果不在选中区域内,触发表格左键单击事件,更新截取单元格,否则如果在正常触发右键菜单
|
|
} else {
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selectionStart = getCellPosition(e.target)//获取单元格位置
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selectionEnd = selectionStart//结束位置也是自己
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//设置样式
|
setselectedCellArea()
|
}
|
|
}
|
|
}
|
|
const toolbarButtonClickEvent = ({ code }: { code: any }) => {
|
switch (code) {
|
case "getcellselctdata":
|
//我给大家打印处理:
|
console.log("是否正在进行滑动选中操作:", isSelecting.value)
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//左上角坐标
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console.log("单元格起始位置:索引:", selectionStart)
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//右下角坐标
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console.log("单元格结束位置:索引:", selectionEnd)
|
|
//这里需要是visibleData
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let tableData = getTablexGrid().getTableData().visibleData//获取处理条件之后的全量表体数据
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let rowStart = selectionStart.rowIndex//获取选中起始行索引
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let rowEnd = selectionEnd.rowIndex//获取选中结束行索引
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let selectRows = tableData.filter((col, index: number) => {//col参数不能改否则会获取不到数据
|
//这里修改从右下往左上拖动的数据显示
|
if (rowStart <= rowEnd) {
|
return rowStart <= index && rowEnd >= index
|
} else {
|
return rowStart >= index && rowEnd <= index
|
}
|
})
|
console.log("鼠标选中行:", JSON.stringify(selectRows))
|
|
//这里需要是visibleColumn
|
let colStart = selectionStart.cellIndex//获取选中起始列索引
|
let colEnd = selectionEnd.cellIndex//获取选中结束列索引
|
let tableColumn = getTablexGrid().getTableColumn().visibleColumn//获取处理条件之后的全量表头列
|
let selectCols = tableColumn.filter((col, index: number) => {//col参数不能改否则会获取不到数据
|
//这里修改从右下往左上拖动的数据显示
|
if (colStart <= colEnd) {
|
return colStart <= index && colEnd >= index
|
} else {
|
return colStart >= index && colEnd <= index
|
}
|
|
})
|
console.log("鼠标选中列:", JSON.stringify(selectCols))
|
break
|
}
|
}
|
//#endregion
|
</script>
|
|
<style scoped>
|
.vxe-grid {
|
/* 禁用浏览器默认选中 */
|
-webkit-user-select: none;
|
-moz-user-select: none;
|
-ms-user-select: none;
|
user-select: none;
|
}
|
</style>
|