订单 优惠券部分 重写

cash-common/cash-common-tools/src/main/java/com/czg/utils/CzgStrUtils.java

@@ -2,6 +2,8 @@ package com.czg.utils;
 
 import cn.hutool.core.util.StrUtil;
 
+import java.time.LocalDate;
+
 /**
  * @author ww
  * @description
@@ -15,4 +17,18 @@ public class CzgStrUtils {
     public static String getStrOrNull(String str) {
         return StrUtil.isNotBlank(str) ? str : null;
     }
+
+
+    /**
+     * 获取当天是周几
+     * @return 周几
+     */
+    public static String getStrWeek() {
+        int dayOfWeek = LocalDate.now().getDayOfWeek().getValue();
+
+        // 定义汉字星期数组（索引0不用，从1开始对应周一到周日）
+        String[] chineseWeeks = {"无", "一", "二", "三", "四", "五", "六", "日"};
+
+        return "周" + chineseWeeks[dayOfWeek];
+    }
 }