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MVC是三个单词的缩写，分别为：模型(Model)、视图(View)和控制Controller)。MVC模式的目的就是实现Web系统的职能分工。 Model层实现系统中的业务逻辑，通常可以用JavaBean或EJB来实现。 View层用于与用户的交互，通常用JSP来实现。 Controller层是Model与View之间沟通的桥梁，它可以分派用户的请求并选择恰当的视图以用于显示，同时它也可以解释用... 阅读全文
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A man went to the police office wishing to speak with the burglar who had broken into his house the night before. "You will get your chance in court." said the Desk Sergeant. "No, no, no." said th... 阅读全文
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Awomanwassinging.Oneoftheguestcriticizedthesingertothemanbesidehim. "Whataterriblevoice."Hesaid."Doyouknowwhosheis?" "Yes."themanbesidehimanswered."Sheismywife." "Oh,I'msorry."hesaid."Ofcoursehe... 阅读全文
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A teacher said to her class: "Who was the first man?" "George Washington," a little boy shouted promptly. "How do you make out that George Washington was the first man?" asked the teacher, smili... 阅读全文
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A friend of mine was giving an English lesson to a class of adult who had recently come to live in the United States. After placing quite a number of everyday objects on a table, he asked various memb... 阅读全文
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-- Waiter, this lobster has only one claw. -- I'm sorry, sir. It must have been in a fight. -- Well, bring me the winner then. 阅读全文
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A young man who was very depressed asked his best friend for advice. He said, "I want to have a wife so much. You know, I am already very old,and I need a wife. I want to have a wife so much,but I hav... 阅读全文
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There was a couple that was having an argument in their home over financial problems. And the wife finally got very mad, and exploded saying, "You should know that if it weren't for my money,this tele... 阅读全文
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There were two men who went out to eat together. They ordered fish. So on the table there were two fish.Normally not all the fish are alike in size, so there was one small, and one big. The first man ... 阅读全文
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A decision is a choice made from among alternative courses of action that are available. The purpose of making a decision is to establish and achieve organizational goals and objectives. The reason fo... 阅读全文
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In the traffic court of a large mid-western city, a young lady was brought before the judge to answer a ticket given her for driving through a red light. She explained to his honor that she was a scho... 阅读全文