提交

web-admin/src/utils/bx/table-summary.ts

@@ -0,0 +1,72 @@
+import { formatSumMoney } from './format'
+
+export interface SummaryColumn {
+  property?: string
+  type?: string
+}
+
+export interface PageSummaryParams {
+  columns: SummaryColumn[]
+  data: Record<string, unknown>[]
+}
+
+export interface BuildPageSummaryOptions {
+  /** 放置合计标签的列 prop，默认 applyCode；默认不展示标签文案 */
+  labelProp?: string
+  /** 自定义标签文案；默认返回空字符串 */
+  labelFormatter?: (count: number) => string
+  /** 列 prop -> 合计值（已格式化字符串） */
+  sumByProp?: Record<string, (data: Record<string, unknown>[]) => string>
+}
+
+/** 对数值字段求和并格式化为合计金额 */
+export function sumField(
+  data: Record<string, unknown>[],
+  field: string,
+  optional = false
+): string {
+  const total = data.reduce((sum, row) => {
+    const value = row[field]
+    if (optional && (value == null || value === '')) return sum
+    return sum + Number(value || 0)
+  }, 0)
+  return formatSumMoney(total)
+}
+
+/** 按业务类型（备用金 / 报销单）分列求和，用于合并列表合计行 */
+export function sumFieldByBizType(
+  data: Record<string, unknown>[],
+  field: string,
+  bizTypeField = 'bizType'
+): string {
+  let advanceTotal = 0
+  let reimburseTotal = 0
+  for (const row of data) {
+    const amount = Number(row[field] || 0)
+    const bizType = row[bizTypeField]
+    if (bizType === '备用金') advanceTotal += amount
+    else if (bizType === '报销单') reimburseTotal += amount
+  }
+  return `备用金总额 ${formatSumMoney(advanceTotal)} / 报销单总额 ${formatSumMoney(reimburseTotal)}`
+}
+
+/**
+ * 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。
+ */
+export function buildPageSummaryMethod(options: BuildPageSummaryOptions = {}) {
+  const {
+    labelProp = 'applyCode',
+    labelFormatter = () => '',
+    sumByProp = {}
+  } = options
+
+  return ({ columns, data }: PageSummaryParams) => {
+    const label = labelFormatter(data.length)
+    return columns.map((col) => {
+      const prop = col.property
+      if (prop === labelProp) return label
+      if (prop && sumByProp[prop]) return sumByProp[prop](data)
+      return ''
+    })
+  }
+}