精品一区二区三区自拍

In the above code, we use three functions, order500, order200, orderNormal to handle its own business logic, If the current own function cannot handle things, We pass it to the following function to handle it. By analogy, Until there is a function that can handle him, Otherwise, the responsibility chain mode will leave the chain directly, telling that it cannot be processed and throwing an error prompt. Although the above code can be used as the responsibility chain mode, we can see from the above code that the Order500 function depends on functions such as Order200, so there must be this function, which also violates the open-closed principle in object-oriented. Let's continue to understand writing flexible and detachable responsibility chain nodes.This is the first sub!　　多年的荣辱与共，佳琳与张墨白的生命紧紧缠绕，同时探究家族没落的真相也越来越清晰，面对真相的揭示，她的心却愈发纠结痛苦。生活的另一面，佳琳悉心照料的妹妹无法体谅她的苦心，自甘沦落；而懦弱的姐姐也被裹挟在两大家族的争斗中，几近反目，亲情也无法弥合。一路猜测着，三天后的正午时分，几人忐忑不安地重新跨入熟悉的地界。加之对河北诸侯的征伐，中原之地又要应付项羽的大军进犯，在别的地方汉军的兵力分布着实不多。