拆分模块

common/src/main/java/com/ecep/contract/model/Price.java

@@ -0,0 +1,23 @@
+package com.ecep.contract.model;
+
+import java.io.Serializable;
+import jakarta.persistence.Embeddable;
+import lombok.Data;
+
+@Embeddable
+@Data
+public class Price implements Serializable {
+    private static final long serialVersionUID = 1L;
+    /**
+     * 税率，1% =1，100% =100
+     */
+    private float taxRate;
+    /**
+     * 税前价格
+     */
+    private double preTaxPrice;
+    /**
+     * 税后价格
+     */
+    private double postTaxPrice;
+}