补充下单逻辑

src/main/java/com/ycwl/basic/utils/BigDecimalUtil.java

@@ -0,0 +1,24 @@
+package com.ycwl.basic.utils;
+
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+/**
+ * @Author: songmingsong
+ * @CreateTime: 2024-12-06
+ * @Description: 小数转换
+ * @Version: 1.0
+ */
+public class BigDecimalUtil {
+    public static int convertToCents(BigDecimal price) {
+        if (price == null) {
+            throw new IllegalArgumentException("Price cannot be null");
+        }
+        return price
+                .setScale(2, RoundingMode.HALF_UP) // 保留两位小数
+                .multiply(new BigDecimal(100))    // 转换为分
+                .intValue();
+    }
+
+}