73 lines
2.1 KiB
TypeScript
73 lines
2.1 KiB
TypeScript
import { formatSumMoney } from './format'
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export interface SummaryColumn {
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property?: string
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type?: string
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}
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export interface PageSummaryParams {
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columns: SummaryColumn[]
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data: Record<string, unknown>[]
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}
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export interface BuildPageSummaryOptions {
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/** 放置合计标签的列 prop，默认 applyCode；默认不展示标签文案 */
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labelProp?: string
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/** 自定义标签文案；默认返回空字符串 */
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labelFormatter?: (count: number) => string
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/** 列 prop -> 合计值（已格式化字符串） */
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sumByProp?: Record<string, (data: Record<string, unknown>[]) => string>
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}
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/** 对数值字段求和并格式化为合计金额 */
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export function sumField(
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data: Record<string, unknown>[],
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field: string,
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optional = false
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): string {
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const total = data.reduce((sum, row) => {
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const value = row[field]
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if (optional && (value == null || value === '')) return sum
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return sum + Number(value || 0)
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}, 0)
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return formatSumMoney(total)
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}
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/** 按业务类型（备用金 / 报销单）分列求和，用于合并列表合计行 */
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export function sumFieldByBizType(
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data: Record<string, unknown>[],
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field: string,
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bizTypeField = 'bizType'
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): string {
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let advanceTotal = 0
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let reimburseTotal = 0
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for (const row of data) {
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const amount = Number(row[field] || 0)
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const bizType = row[bizTypeField]
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if (bizType === '备用金') advanceTotal += amount
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else if (bizType === '报销单') reimburseTotal += amount
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}
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return `备用金总额 ${formatSumMoney(advanceTotal)} / 报销单总额 ${formatSumMoney(reimburseTotal)}`
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}
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/**
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* 生成 Element Plus 表格合计行方法；按当前可见 columns 动态对齐，兼容列显隐。
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*/
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export function buildPageSummaryMethod(options: BuildPageSummaryOptions = {}) {
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const {
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labelProp = 'applyCode',
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labelFormatter = () => '',
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sumByProp = {}
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} = options
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return ({ columns, data }: PageSummaryParams) => {
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const label = labelFormatter(data.length)
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return columns.map((col) => {
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const prop = col.property
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if (prop === labelProp) return label
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if (prop && sumByProp[prop]) return sumByProp[prop](data)
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return ''
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})
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}
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}
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