去掉模板中没用代码，增加状态机示例。

win-module-infra/win-module-infra-biz/src/main/resources/codegen/java/dal/do.vm

@@ -19,7 +19,6 @@ import ${BaseDOClassName};
  * @author ${table.author}
  */
 @TableName("${table.tableName.toLowerCase()}")
-@KeySequence("${table.tableName.toLowerCase()}_seq") // 用于 Oracle、PostgreSQL、Kingbase、DB2、H2 数据库的主键自增。如果是 MySQL 等数据库，可不写。
 @Data
 @EqualsAndHashCode(callSuper = true)
 @ToString(callSuper = true)

win-module-wms/win-module-wms-biz/src/main/java/com/win/module/wms/enums/order/OrderStatusEnum.java

@@ -0,0 +1,45 @@
+package com.win.module.wms.enums.order;
+
+/**
+ * 订单状态枚举
+ */
+public enum OrderStatusEnum {
+
+    CREATED(1, "待支付"),
+    PAID(2, "已支付"),
+    SHIPPED(3, "已发货"),
+    COMPLETED(4, "已完成"),
+    CANCELLING(5, "取消中"),
+    CANCELLED(6, "已取消");
+
+    private final int code;
+    private final String info;
+
+    OrderStatusEnum(int code, String info) {
+        this.code = code;
+        this.info = info;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public String getInfo() {
+        return info;
+    }
+
+    /**
+     * 用状态值获取枚举
+     * @param status
+     * @return
+     */
+    static OrderStatusEnum getOrderStatusEnum(int status) {
+        for (OrderStatusEnum orderStatusEnum : values()) {
+            if (orderStatusEnum.getCode() == status) {
+                return orderStatusEnum;
+            }
+        }
+        return CREATED;
+    }
+
+}

win-module-wms/win-module-wms-biz/src/main/java/com/win/module/wms/enums/order/OrderStatusState.java

@@ -0,0 +1,70 @@
+package com.win.module.wms.enums.order;
+
+/**
+ * 订单状态机
+ */
+public class OrderStatusState {
+
+    /**
+     * 当前状态枚举
+     */
+    private OrderStatusEnum orderStatusEnum;
+
+    /**
+     * 构造函数，默认创建
+     */
+    public OrderStatusState() {
+        this.orderStatusEnum = OrderStatusEnum.CREATED;
+    }
+
+    /**
+     * 构造函数，当前状态
+     * @param status
+     */
+    public OrderStatusState(int status) {
+        this.orderStatusEnum = OrderStatusEnum.getOrderStatusEnum(status);
+    }
+
+    /**
+     * 构造函数，当前状态枚举
+     * @param orderStatusEnum
+     */
+    public OrderStatusState(OrderStatusEnum orderStatusEnum) {
+        this.orderStatusEnum = orderStatusEnum;
+    }
+
+    /**
+     * 当前状态是否允许支付
+     * @return
+     */
+    public boolean pay() {
+        if(this.orderStatusEnum.getCode() == OrderStatusEnum.CREATED.getCode()) {
+            this.orderStatusEnum = OrderStatusEnum.PAID;
+            return Boolean.TRUE;
+        } else {
+            return Boolean.FALSE;
+        }
+    }
+
+    /**
+     * 当前状态是否允许发货
+     * @return
+     */
+    public boolean ship() {
+        if(this.orderStatusEnum.getCode() == OrderStatusEnum.PAID.getCode()) {
+            this.orderStatusEnum = OrderStatusEnum.SHIPPED;
+            return Boolean.TRUE;
+        } else {
+            return Boolean.FALSE;
+        }
+    }
+
+    /**
+     * 获取可执行的状态机
+     * @return
+     */
+    public OrderStatusEnum getState() {
+        return orderStatusEnum;
+    }
+
+}

win-module-wms/win-module-wms-biz/src/main/java/com/win/module/wms/enums/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * System API 包，定义暴露给其它模块的 API
+ */
+package com.win.module.wms.enums;