desien-mode/src/main/java/responsibilityPattern/handler/OrderStockHandler.java

package responsibilityPattern.handler;

import responsibilityPattern.entity.Order;

public class OrderStockHandler extends OrderHandler {
    @Override
    boolean proceed(Order order) throws Exception {
        //检查库存
        if(order.getStock()<1){
            throw  new Exception("库存不足");
        }
        return true;
    }
}