1. 优化医生、诊所的设置

apps/web-antd/src/utils/formatPrice.ts

@@ -0,0 +1,68 @@
+/**
+ * 与后端 format_price / PrescriptionService 中药计价口径一致
+ */
+
+export function parsePriceValue(value: unknown): number {
+  if (value === null || value === undefined || value === '') {
+    return 0;
+  }
+  const num = Number(value);
+  return Number.isFinite(num) ? num : 0;
+}
+
+/**
+ * 与后端 format_price 一致：第三位小数非 0 则分位进 1，再保留两位小数
+ */
+export function formatPriceLikeBackend(value: unknown): number {
+  const price = parsePriceValue(value);
+  let milli = Math.round(price * 1000);
+  if (milli % 10 > 0) {
+    milli += 10;
+  }
+  milli -= milli % 10;
+  return Math.round((milli / 1000) * 100) / 100;
+}
+
+/** 模拟 PHP bcmul 在指定 scale 下向零截断 */
+function bcmulScale(a: unknown, b: unknown, scale: number): number {
+  const product = parsePriceValue(a) * parsePriceValue(b);
+  const factor = 10 ** scale;
+  return Math.trunc(product * factor) / factor;
+}
+
+/** 模拟 PHP bcadd 在指定 scale 下向零截断 */
+function bcaddScale(a: number, b: number, scale: number): number {
+  const sum = a + b;
+  const factor = 10 ** scale;
+  return Math.trunc(sum * factor) / factor;
+}
+
+type ChineseDrugLine = {
+  number?: number | string;
+  price?: number | string;
+};
+
+/**
+ * 中药商品总价（与 PrescriptionService::createChineseReprice 一致）
+ * 每行：bcmul(dosage, bcmul(price, number, 3), 3)，累加后 format_price
+ */
+export function calculateChineseProductPriceLikeBackend(
+  drugs: ChineseDrugLine[],
+  dosage = 7,
+): number {
+  if (!drugs?.length) {
+    return 0;
+  }
+  const dose = parsePriceValue(dosage);
+  let total = 0;
+  for (const drug of drugs) {
+    const linePerDose = bcmulScale(drug.price, drug.number ?? 1, 3);
+    const lineTotal = bcmulScale(dose, linePerDose, 3);
+    total = bcaddScale(total, lineTotal, 3);
+  }
+  return formatPriceLikeBackend(total);
+}
+
+export function formatPriceDisplay(value: unknown): string {
+  return formatPriceLikeBackend(value).toFixed(2);
+}