新增：优惠券、积分明细

src/utils/common.ts

@@ -108,6 +108,20 @@ export function truncateText(text: string, maxLength: number = 30): string {
   return text.substring(0, maxLength);
 }
 
+/**
+ * 格式化货币
+ * @param amount
+ * @param currency
+ */
+export function formatCurrency(amount: number, currency: string = 'CNY'): string {
+  return new Intl.NumberFormat('zh-CN', {
+    style: 'currency',
+    currency: currency,
+    minimumFractionDigits: 2,
+    maximumFractionDigits: 2
+  }).format(amount);
+}
+
 /**
  * 生成订单标题
  * @param goodsNames 商品名称数组