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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.可是事实上呢？似乎是刘邦突然出现，剥夺了韩信的兵权，足可见刘邦对韩信也是多有猜忌和防备的。Items:民国初年，北洋政府新任命的教育部官员夏希尊，在上任途中一双儿女流落民间，姐弟俩在养父母的培育下坷坷绊绊长大成人。1936年寒冬，祁连山下，沙尘暴中，李云龙（黄志忠饰）率部阻击马匪骑兵和地方民团，面对数十倍于己的强敌重兵，他们辗转数月浴血奋战。妇女团指导员郑芳和战友们英勇牺牲，李云龙仍端掉了马家军的弹药库和民团团部，带领仅存的9人冲破包围圈进入根据地。抗日战争中，李云龙全歼骄横不可一世的日军大队，也逐渐与政委赵刚（任泉饰）结下了深厚的兄弟情谊。国军精英团长楚云飞（果静林饰）与李云龙惺惺相惜，但无奈解放战争中两人兵刃相见，险些同归于尽。楚云飞憾然认败，只得与战地玫瑰刘诗吟（甄锡饰）退守台湾。生命垂危的李云龙被送入战地医院的救护队，在医院内大施兵法，让护士田雨（甘婷婷饰）逐渐爱上自己。归队后的李云龙参与清剿国民党残匪，同时在进修学习中有所感悟行动，终于成长为拥有军事理论和战略视野的共和国将军。他所创造的“明知不敌，也要毅然亮剑”的“亮剑精神”，成为中华一代军魂！Two, to obtain the qualification of kindergarten teachers, should have a kindergarten normal school graduation or above.青年才子王大为供职于一家广告公司担任企划。一天，在他带好了文案去公司面见广告客户的路上因时间匆忙而不慎与模特刘梦君相撞在一起。慌忙中因为两个包几乎一样，故又互相拿错了包。当王大为赶到公司时，包里尽是模特的衣服，广告客户拂袖而去，王大为也被老板开除而失去了工作。刘梦君赶到表演现场时同样无比尴尬，梦君狠了狠心，将自己穿的衣服剪成了模特装才没耽误事。而这一天恰巧是梦君的表妹辛想想从外地来投奔表姐的日子……