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	1	ܷ			ǰ½ѾϵͳõMVCṹеơôʲôMVCصʲôأһ򵥵˵ļԲοйص鼮
	ȣһWebķչʷWebʱʹASPJSPʱĳ򿪷ʽûʲôοԡݷʡҵ߼ҳչʾһaspļʵֿ֡ģʽڿ߶ԷǳûԼݵĶҲȽϻң˵Ǵ빲ãǿ߱һʱٿԼĴҲò֪ơûͷֽṹĴڽдϵͳĿƵĴάֱһѡֵǰ£COMˡ߽ݷʲֵĴ뼯ɵCOMндҵ߼ҳչʾֵĴASPļʵַ֡ʽʹôԴļǿˣԶԶԻҪȽϸ񣬴ĿֲԲãҵҳչʾûз룬ʹҵúʹάѶȻǱȽϴЩص£΢SUNȹ˾Ƴ.NETJAVA Structsȿƽ̨Webҳ桢ҳչʾҵ߼ݷʵȴ˷룬ͬʱΪ֧ݵĹά΢ƳADO.NETʵĸʹʵ˹̻֤ڲͬϵͳܹͨXMLݱ׼ĴݡɴMVCṹĿܿʼͣڶ๫˾һͳһı淶Ĺõʵ֡
һMVCṹ
  MVCеM
	2	ײӿڼ
	3	ݷʼ
2	ѵ
	1	ȡɫȨ޷б
	2	Ȩ޴
MVCӢļModel-View-ControllerһӦõ롢̰ModelViewControllerķʽз룬һӦñֳ㡪ģͲ㡢ͼ㡢Ʋ㡣 

ͼ(View)û棬WebӦ˵ԸΪHTML棬пΪXHTMLXMLAppletӦõĸԺ͹ģԣĴҲþսԡһӦÿкܶ಻ͬͼMVCģʽͼĴͼݵĲɼʹԼû󣬶ͼϵҵ̵Ĵҵ̵Ĵģ(Model)һͼֻģ͵ݲʾûԼûݺ󴫵ݸƺģ͡ 

ģ(Model)ҵ/״̬ĴԼҵƶҵ̵Ĵ̶˵ǺģͽͼݣյĴҵģ͵ƿ˵MVCҪĺġĿǰеEJBģ;һ͵ӦӣӦüʵֵĽǶȶģ˽һĻ֣ԱеΪӦģ͵Ŀܡ㰴ģƾͿĳЩӶ˼ϵѡһ˵Ϳרעҵģ͵ơMVCģʽǣӦõģͰһĹȡȡĲκҪҲжϿԱǷݡ岻ܸ̫ԶҲ̫MVCûṩģ͵ƷֻӦ֯ЩģͣԱģ͵عԡǿöMVCһֻ࣬ЩûЩԱ̵ĿԱǳҪ 

ҵģͻһҪģǾģ͡ģҪָʵ 棨罫һŶ浽ݿ⣬ݿȡǿԽģ͵гйݿĲֻڸģС 

(Controller)Ϊû, ģͼƥһ𣬹ͬû󡣻ֿƲҲԣظ㣬һַѡʲôģͣѡʲôͼʲôû󡣿Ʋ㲢κεݴ磬ûһӣƲ, ҵϢֻûϢݸģͣģʲôѡҪͼظûˣһģͿܶӦͼһͼܶӦģ͡ 

ģ͡ͼķ룬ʹһģͿԾжʾͼûͨĳͼĿıģ͵ݣЩݵͼӦӳЩ仯ˣۺʱ˺ݱ仯Ὣ仯֪ͨеͼʾĸ¡ʵһģ͵ı仯-ơģ͡ͼ֮Ĺϵ͸ԵҪܣͼ1ʾ 

