李老汉吃嫩草开花苞小雪

The policy mode is the packaging of the algorithm, which separates the responsibility of using the algorithm from the algorithm itself and delegates it to different objects. Policy patterns usually wrap a series of algorithms into a series of policy classes. To encapsulate the policy pattern in one sentence is to "encapsulate each algorithm into a different policy class so that they can be interchanged". The following is the structure diagram of the policy mode:+= is to inform you when this event occurs, and -= is to inform you no longer when this event occurs.　　当心动遇上大数据爱情，谁才是对的人？　　恋爱是科学。恋爱是科学？A woman that must battle a demon from her past that has possessed her sister. Unfortunately, every priest trained in exorcisms has already died in a terrorist attack.The intermediary mode is also used to reduce the coupling between classes, because if there is a dependency relationship between classes, it is not conducive to the expansion and maintenance of functions, because as long as one object is modified, other related objects have to be modified. If you use the mediator mode, you just need to care about the relationship with the Mediator class, the relationship between specific classes and the scheduling to the Mediator, which is a bit like the spring container. Let's look at the picture first:早川猛在大城市里事业顺利，是名年轻有为的摄影师，其兄早川稔则在家乡继承父业，经营一家小加油站。在母亲的周年忌日，猛从东京回到老家探亲，昔日情人智惠子在加油站工作，她感叹当年没跟猛离开。年轻气盛的猛和传统而顽固的父亲动不动就起冲突，而身为大哥的稔却顺从父亲。 　　之后兄弟二人和智惠子去附近溪谷游玩，不料智惠子从古老破旧的吊桥坠下身亡。当时唯一在她身边的稔成了杀人嫌疑犯，猛为了帮助兄长四处奔走，力图证实这是一起意外。然而在开庭过程中，稔突然一反常态……