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https://gitee.com/xuliangzhan_admin/vxe-table.git
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290 lines
11 KiB
Vue
290 lines
11 KiB
Vue
<template>
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<div>
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<p class="tip">
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通过表尾来实现合计功能，数据发生变化时实时统计，对于某些场景下如果需要频繁计算的可以手动调用 <table-api-link prop="updateFooter"/> 函数<br>
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如果是内置的渲染器，可以设置 <table-column-api-link prop="immediate"/> 属性和相关事件去实时更新<br>
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<span class="red">（注：实时更新是非常糟糕的做法，运算量越大卡顿就越久，非特殊场景不建议使用）</span>
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</p>
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<vxe-toolbar ref="xToolbar" export>
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<template #buttons>
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<vxe-button @click="insertEvent">新增</vxe-button>
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<vxe-button @click="removeEvent">删除</vxe-button>
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<vxe-button @click="saveEvent">保存</vxe-button>
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</template>
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</vxe-toolbar>
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<vxe-table
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border
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show-footer
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show-overflow
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highlight-hover-row
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ref="xTable"
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height="400"
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class="editable-footer"
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:export-config="{}"
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:footer-method="footerMethod"
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:footer-cell-class-name="footerCellClassName"
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:data="tableData"
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:edit-config="{trigger: 'click', mode: 'row'}">
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<vxe-column type="seq" width="60"></vxe-column>
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<vxe-colgroup title="统计信息">
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<vxe-column field="name" title="Name" :edit-render="{name: 'input', immediate: true}"></vxe-column>
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<vxe-column field="age" title="Age" :edit-render="{name: '$input', immediate: true, props: {type: 'number', min: 1, max: 120}, events: {change: updateFooterEvent}}"></vxe-column>
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<vxe-column field="num1" title="Num" :edit-render="{name: 'input', immediate: true, events: {input: updateFooterEvent}}"></vxe-column>
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<vxe-column field="rate" title="Rate" :edit-render="{name: 'input', immediate: true, events: {input: updateFooterEvent}}"></vxe-column>
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</vxe-colgroup>
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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="javascript">{{ demoCodes[1] }}</pre-code>
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</pre>
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</div>
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</template>
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<script>
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export default {
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data () {
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return {
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tableData: [
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{ id: 10001, name: 'Test1', nickname: 'T1', role: 'Develop', sex: '0', sex2: ['0'], num1: 40, age: 28, rate: 22 },
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{ id: 10002, name: 'Test2', nickname: 'T2', role: 'Designer', sex: '1', sex2: ['0', '1'], num1: 23, age: 22, rate: 34 },
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{ id: 10003, name: 'Test3', nickname: 'T3', role: 'Test', sex: '0', sex2: ['1'], num1: 200, age: 32, rate: 18 },
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{ id: 10004, name: 'Test4', nickname: 'T4', role: 'Designer', sex: '1', sex2: ['1'], num1: 30, age: 23, rate: 13 },
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{ id: 10005, name: 'Test5', nickname: 'T5', role: 'Develop', sex: '0', sex2: ['1', '0'], num1: 20, age: 30, rate: 6 },
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{ id: 10006, name: 'Test6', nickname: 'T6', role: 'Designer', sex: '1', sex2: ['0'], num1: 10, age: 21, rate: 33 },
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{ id: 10007, name: 'Test7', nickname: 'T7', role: 'Develop', sex: '0', sex2: ['0'], num1: 5, age: 29, rate: 4 },
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{ id: 10008, name: 'Test8', nickname: 'T8', role: 'PM', sex: '1', sex2: ['0'], num1: 2, age: 35, rate: 55 }
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],
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demoCodes: [
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`
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<vxe-toolbar ref="xToolbar" export>
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<template #buttons>
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<vxe-button @click="insertEvent">新增</vxe-button>
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<vxe-button @click="removeEvent">删除</vxe-button>
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<vxe-button @click="saveEvent">保存</vxe-button>
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</template>
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</vxe-toolbar>
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<vxe-table
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border
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show-footer
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show-overflow
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highlight-hover-row
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ref="xTable"
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height="400"
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class="editable-footer"
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:export-config="{}"
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:footer-method="footerMethod"
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:footer-cell-class-name="footerCellClassName"
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:data="tableData"
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:edit-config="{trigger: 'click', mode: 'row'}">
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<vxe-column type="seq" width="60"></vxe-column>
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<vxe-colgroup title="统计信息">
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<vxe-column field="name" title="Name" :edit-render="{name: 'input', immediate: true}"></vxe-column>
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<vxe-column field="age" title="Age" :edit-render="{name: '$input', immediate: true, props: {type: 'number', min: 1, max: 120}, events: {change: updateFooterEvent}}"></vxe-column>
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<vxe-column field="num1" title="Num" :edit-render="{name: 'input', immediate: true, events: {input: updateFooterEvent}}"></vxe-column>
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<vxe-column field="rate" title="Rate" :edit-render="{name: 'input', immediate: true, events: {input: updateFooterEvent}}"></vxe-column>
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</vxe-colgroup>
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</vxe-table>
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`,
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`
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export default {
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data () {
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return {
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tableData: [
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{ id: 10001, name: 'Test1', nickname: 'T1', role: 'Develop', sex: '0', sex2: ['0'], num1: 40, age: 28, rate: 22 },
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{ id: 10002, name: 'Test2', nickname: 'T2', role: 'Designer', sex: '1', sex2: ['0', '1'], num1: 23, age: 22, rate: 34 },
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{ id: 10003, name: 'Test3', nickname: 'T3', role: 'Test', sex: '0', sex2: ['1'], num1: 200, age: 32, rate: 18 },
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{ id: 10004, name: 'Test4', nickname: 'T4', role: 'Designer', sex: '1', sex2: ['1'], num1: 30, age: 23, rate: 13 },
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{ id: 10005, name: 'Test5', nickname: 'T5', role: 'Develop', sex: '0', sex2: ['1', '0'], num1: 20, age: 30, rate: 6 },
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{ id: 10006, name: 'Test6', nickname: 'T6', role: 'Designer', sex: '1', sex2: ['0'], num1: 10, age: 21, rate: 33 },
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{ id: 10007, name: 'Test7', nickname: 'T7', role: 'Develop', sex: '0', sex2: ['0'], num1: 5, age: 29, rate: 4 },
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{ id: 10008, name: 'Test8', nickname: 'T8', role: 'PM', sex: '1', sex2: ['0'], num1: 2, age: 35, rate: 55 }
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]
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}
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},
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created () {
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this.$nextTick(() => {
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// 手动将表格和工具栏进行关联
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this.$refs.xTable.connect(this.$refs.xToolbar)
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})
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},
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methods: {
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footerCellClassName ({ $rowIndex, columnIndex }) {
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if (columnIndex === 1) {
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if ($rowIndex === 0) {
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return 'col-blue'
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}
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}
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if (columnIndex === 2) {
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if ($rowIndex === 1) {
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return 'col-red'
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}
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}
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},
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// 在值发生改变时更新表尾合计
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updateFooterEvent () {
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const $table = this.$refs.xTable
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$table.updateFooter()
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},
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meanNum (list, field) {
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let count = 0
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list.forEach(item => {
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count += Number(item[field])
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})
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return count / list.length
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},
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sumNum (list, field) {
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let count = 0
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list.forEach(item => {
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count += Number(item[field])
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})
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return count
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},
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footerMethod ({ columns, data }) {
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return [
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columns.map((column, columnIndex) => {
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if (columnIndex === 0) {
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return '平均'
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}
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if (['age'].includes(column.property)) {
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return this.meanNum(data, column.property)
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} else if (['rate', 'num1'].includes(column.property)) {
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return this.meanNum(data, column.property)
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}
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return null
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}),
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columns.map((column, columnIndex) => {
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if (columnIndex === 0) {
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return '和值'
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}
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if (['rate', 'num1'].includes(column.property)) {
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return this.sumNum(data, column.property)
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}
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return null
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})
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]
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},
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insertEvent () {
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const $table = this.$refs.xTable
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const record = {
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name: 'New name'
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}
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$table.insert(record).then(({ row }) => {
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$table.setActiveCell(row, 'age')
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})
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},
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removeEvent () {
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const $table = this.$refs.xTable
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$table.removeCheckboxRow()
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},
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saveEvent () {
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const $table = this.$refs.xTable
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const { insertRecords, removeRecords, updateRecords } = $table.getRecordset()
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this.$XModal.alert(\`insertRecords=\${insertRecords.length} removeRecords=\${removeRecords.length} updateRecords=\${updateRecords.length}\`)
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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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created () {
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this.$nextTick(() => {
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// 手动将表格和工具栏进行关联
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this.$refs.xTable.connect(this.$refs.xToolbar)
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})
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},
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methods: {
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footerCellClassName ({ $rowIndex, columnIndex }) {
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if (columnIndex === 1) {
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if ($rowIndex === 0) {
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return 'col-blue'
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}
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}
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if (columnIndex === 2) {
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if ($rowIndex === 1) {
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return 'col-red'
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}
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}
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},
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// 在值发生改变时更新表尾合计
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updateFooterEvent () {
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const $table = this.$refs.xTable
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$table.updateFooter()
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},
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meanNum (list, field) {
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let count = 0
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list.forEach(item => {
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count += Number(item[field])
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})
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return count / list.length
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},
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sumNum (list, field) {
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let count = 0
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list.forEach(item => {
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count += Number(item[field])
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})
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return count
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},
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footerMethod ({ columns, data }) {
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return [
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columns.map((column, columnIndex) => {
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if (columnIndex === 0) {
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return '平均'
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}
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if (['age'].includes(column.property)) {
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return this.meanNum(data, column.property)
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} else if (['rate', 'num1'].includes(column.property)) {
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return this.meanNum(data, column.property)
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}
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return null
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}),
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columns.map((column, columnIndex) => {
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if (columnIndex === 0) {
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return '和值'
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}
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if (['rate', 'num1'].includes(column.property)) {
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return this.sumNum(data, column.property)
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}
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return null
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})
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]
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},
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insertEvent () {
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const $table = this.$refs.xTable
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const record = {
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name: 'New name'
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}
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$table.insert(record).then(({ row }) => {
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$table.setActiveCell(row, 'age')
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})
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},
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removeEvent () {
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const $table = this.$refs.xTable
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$table.removeCheckboxRow()
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},
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saveEvent () {
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const $table = this.$refs.xTable
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const { insertRecords, removeRecords, updateRecords } = $table.getRecordset()
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this.$XModal.alert(`insertRecords=${insertRecords.length} removeRecords=${removeRecords.length} updateRecords=${updateRecords.length}`)
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}
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}
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}
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</script>
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<style>
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.editable-footer .vxe-footer--column.col-blue {
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background-color: #2db7f5;
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color: #fff;
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}
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.editable-footer .vxe-footer--column.col-red {
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background-color: red;
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color: #fff;
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}
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</style>
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