卡1卡二卡三卡

The next four patterns, including this pattern, are all the relationships between classes and do not involve inheritance. When learning, you should remember induction and the diagram at the beginning of this article. The observer mode is well understood, similar to email subscription and RSS subscription. When we browse some blogs or wikis, we often see RSS icons. This means that when you subscribe to the article, you will be notified in time if there are subsequent updates. In fact, in a nutshell, when an object changes, other objects that depend on the object will be notified and will change with it! Objects are a one-to-many relationship. Let's look at the diagram first:我要上……那个去字尚未喊出口，就被水给淹没了，小女娃不由自主地被灌了两口水，湖面冒起一串水花。朝野私情，君臣勾结谋天下，康熙遭受蛊惑，夜半惊魂…… 一场浩大壮观的“木兰秋菊”揭开连场残酷皇位争夺战。康熙（陈鸿烈）四子胤禛（郑少秋）深谋远虑，笼络隆科多（铁梦秋）和了因和尚（张振环），暗中布下天罗地网，决与智勇双全的十四皇子胤祀（黄膺勤）争持帝位。时民间反清势力日大，以广慈神尼（刘薇薇）为首的武林高手行刺康熙失败。幸得神秘女侠红姑（刘玉婷）相助脱险。另边厢，禛在机缘下与汉女丝儿（梁铮）结为忘年之交，但后来丝儿获愁禛王子身份，二人微妙关系渐转化。此时禛趁祀驻守西北，布下诡计令康熙惊魂落魄，奄奄一息。最终禛能否偿愿继承帝位，与丝儿的感情在民族大义的猛烈冲击之下，又能否开花结果呢……雍正王、谋江山、诛灭功臣；吕四娘、恩恩怨怨、举剑维艰！ 猜疑心极重的雍正（郑少秋）在擅改遗旨的传言中登基后，大举诛灭夺谪功臣，更大兴文字狱排除异已，吕氏一家亦因此惨遭灭族。吕四娘（梁铮）为报灭门之仇，苦练武功，与其师独臂神尼（刘薇薇）欲刺杀雍正，危急之间，四娘赫然发现雍正乃汉国贤君，终以民族大义为先，与雍正协议是素谨该剧讲述了天才网球少年龙马和队友们，在网球梦想与友情的激励下突破自我，从单打独斗到逐渐体会队友甚至对手的意义，最终领悟了网球运动真谛的故事。