mirror of
https://gitee.com/xuliangzhan_admin/vxe-table.git
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243 lines
9.1 KiB
Vue
243 lines
9.1 KiB
Vue
<template>
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<div>
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<p class="tip">
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虚拟渲染与单元格合并，可以通过设置参数 <table-api-link prop="merge-cells"/> 或调用函数 <table-api-link prop="setMergeCells"/>、<table-api-link prop="setMergeCells"/> 来控制单元格的临时合并状态<br>
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<span class="red">（注：合并是以牺牲渲染性能为代价，如果需要用合并建议关闭虚拟滚动）</span>
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</p>
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<vxe-table
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border
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resizable
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show-overflow
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show-header-overflow
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show-footer
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ref="xTable"
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height="500"
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:export-config="{}"
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:merge-cells="demo1.mergeCells"
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:sort-config="{trigger: 'cell'}"
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:merge-footer-items="demo1.mergeFooterItems"
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:footer-method="footerMethod"
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:loading="demo1.loading">
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<vxe-column type="seq" width="100"></vxe-column>
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<vxe-column field="name" title="Name" sortable width="200"></vxe-column>
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<vxe-column field="id" title="ID" width="200"></vxe-column>
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<vxe-column field="sex" title="Sex" width="200"></vxe-column>
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<vxe-column field="rate" title="Rate" width="200"></vxe-column>
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<vxe-column field="region" title="Region" width="200"></vxe-column>
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<vxe-column field="time" title="Time" width="200"></vxe-column>
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<vxe-column field="address" title="Address" width="300" show-overflow></vxe-column>
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<vxe-column field="updateTime" title="UpdateTime" width="200"></vxe-column>
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<vxe-column field="createTime" title="CreateTime" width="200"></vxe-column>
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<vxe-column field="attr1" title="Attr1" width="200"></vxe-column>
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<vxe-column field="attr2" title="Attr2" width="200"></vxe-column>
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<vxe-column field="attr3" title="Attr3" width="200"></vxe-column>
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<vxe-column field="attr4" title="Attr4" width="200"></vxe-column>
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<vxe-column field="attr5" title="Attr5" width="200"></vxe-column>
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<vxe-column field="attr6" title="Attr6" width="200"></vxe-column>
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<vxe-column field="attr7" title="Attr7" width="200"></vxe-column>
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<vxe-column field="attr8" title="Attr8" width="200"></vxe-column>
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<vxe-column field="attr11" title="attr11" width="200"></vxe-column>
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<vxe-column field="attr9" title="Attr9" width="200"></vxe-column>
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<vxe-column field="attr10" title="attr10" width="200"></vxe-column>
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</vxe-table>
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<p class="demo-code">{{ $t('app.body.button.showCode') }}</p>
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<pre>
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<pre-code class="xml">{{ demoCodes[0] }}</pre-code>
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<pre-code class="typescript">{{ demoCodes[1] }}</pre-code>
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</pre>
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</div>
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</template>
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<script lang="ts">
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import { defineComponent, reactive, ref } from 'vue'
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import { VXETable } from '../../../../packages/all'
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import { VxeTableInstance, VxeTablePropTypes } from '../../../../types/index'
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export default defineComponent({
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setup () {
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const xTable = ref({} as VxeTableInstance)
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const demo1 = reactive({
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loading: false,
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mergeCells: [
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{ row: 4, col: 2, rowspan: 2, colspan: 5 },
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{ row: 30, col: 3, rowspan: 10, colspan: 1 },
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{ row: 80, col: 4, rowspan: 30, colspan: 3 }
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] as VxeTablePropTypes.MergeCells,
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mergeFooterItems: [
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{ row: 0, col: 1, rowspan: 1, colspan: 2 },
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{ row: 0, col: 6, rowspan: 1, colspan: 2 },
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{ row: 0, col: 14, rowspan: 2, colspan: 5 },
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{ row: 1, col: 4, rowspan: 1, colspan: 8 }
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] as VxeTablePropTypes.MergeFooterItems
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})
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const mockList = (size: number) => {
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const list = []
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for (let index = 0; index < size; index++) {
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list.push({
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name: `名称${index}`,
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sex: '0',
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num: 123,
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age: 18,
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num2: 234,
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rate: 3,
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address: 'shenzhen'
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})
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}
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return list
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}
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const loadList = (size: number) => {
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demo1.loading = true
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setTimeout(() => {
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const data = mockList(size)
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// 使用函数式加载，阻断 vue 对大数据的监听
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const $table = xTable.value
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const startTime = Date.now()
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if ($table) {
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$table.reloadData(data).then(() => {
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VXETable.modal.message({ content: `渲染 ${size} 行，用时 ${Date.now() - startTime}毫秒`, status: 'info' })
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demo1.loading = false
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})
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} else {
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demo1.loading = false
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}
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}, 300)
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}
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const footerMethod: VxeTablePropTypes.FooterMethod = ({ columns }) => {
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return [
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columns.map((column, index) => index),
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columns.map((column, index) => 1000 + index)
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]
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}
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loadList(600)
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return {
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xTable,
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demo1,
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footerMethod,
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demoCodes: [
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`
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<vxe-table
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border
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resizable
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show-overflow
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show-header-overflow
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show-footer
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ref="xTable"
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height="500"
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:export-config="{}"
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:merge-cells="demo1.mergeCells"
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:sort-config="{trigger: 'cell'}"
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:merge-footer-items="demo1.mergeFooterItems"
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:footer-method="footerMethod"
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:loading="demo1.loading">
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<vxe-column type="seq" width="100"></vxe-column>
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<vxe-column field="name" title="Name" sortable width="200"></vxe-column>
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<vxe-column field="id" title="ID" width="200"></vxe-column>
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<vxe-column field="sex" title="Sex" width="200"></vxe-column>
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<vxe-column field="rate" title="Rate" width="200"></vxe-column>
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<vxe-column field="region" title="Region" width="200"></vxe-column>
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<vxe-column field="time" title="Time" width="200"></vxe-column>
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<vxe-column field="address" title="Address" width="300" show-overflow></vxe-column>
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<vxe-column field="updateTime" title="UpdateTime" width="200"></vxe-column>
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<vxe-column field="createTime" title="CreateTime" width="200"></vxe-column>
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<vxe-column field="attr1" title="Attr1" width="200"></vxe-column>
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<vxe-column field="attr2" title="Attr2" width="200"></vxe-column>
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<vxe-column field="attr3" title="Attr3" width="200"></vxe-column>
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<vxe-column field="attr4" title="Attr4" width="200"></vxe-column>
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<vxe-column field="attr5" title="Attr5" width="200"></vxe-column>
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<vxe-column field="attr6" title="Attr6" width="200"></vxe-column>
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<vxe-column field="attr7" title="Attr7" width="200"></vxe-column>
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<vxe-column field="attr8" title="Attr8" width="200"></vxe-column>
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<vxe-column field="attr11" title="attr11" width="200"></vxe-column>
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<vxe-column field="attr9" title="Attr9" width="200"></vxe-column>
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<vxe-column field="attr10" title="attr10" width="200"></vxe-column>
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</vxe-table>
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`,
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`
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import { defineComponent, reactive, ref } from 'vue'
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import { VXETable, VxeTableInstance, VxeTablePropTypes } from 'vxe-table'
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export default defineComponent({
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setup () {
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const xTable = ref({} as VxeTableInstance)
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const demo1 = reactive({
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loading: false,
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mergeCells: [
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{ row: 4, col: 2, rowspan: 2, colspan: 5 },
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{ row: 30, col: 3, rowspan: 10, colspan: 1 },
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{ row: 80, col: 4, rowspan: 30, colspan: 3 }
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] as VxeTablePropTypes.MergeCells,
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mergeFooterItems: [
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{ row: 0, col: 1, rowspan: 1, colspan: 2 },
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{ row: 0, col: 6, rowspan: 1, colspan: 2 },
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{ row: 0, col: 14, rowspan: 2, colspan: 5 },
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{ row: 1, col: 4, rowspan: 1, colspan: 8 }
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] as VxeTablePropTypes.MergeFooterItems
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})
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const mockList = (size: number) => {
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const list = []
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for (let index = 0; index < size; index++) {
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list.push({
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name: \`名称\${index}\`,
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sex: '0',
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num: 123,
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age: 18,
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num2: 234,
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rate: 3,
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address: 'shenzhen'
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})
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}
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return list
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}
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const loadList = (size: number) => {
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demo1.loading = true
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setTimeout(() => {
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const data = mockList(size)
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// 使用函数式加载，阻断 vue 对大数据的监听
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const $table = xTable.value
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const startTime = Date.now()
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if ($table) {
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$table.reloadData(data).then(() => {
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VXETable.modal.message({ content: \`渲染 \${size} 行，用时 \${Date.now() - startTime}毫秒\`, status: 'info' })
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demo1.loading = false
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})
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} else {
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demo1.loading = false
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}
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}, 300)
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}
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const footerMethod: VxeTablePropTypes.FooterMethod = ({ columns }) => {
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return [
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columns.map((column, index) => index),
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columns.map((column, index) => 1000 + index)
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]
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}
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loadList(600)
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return {
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xTable,
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demo1,
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footerMethod
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}
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}
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})
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`
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]
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}
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}
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})
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</script>
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