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Public Person{
...
public void drive(){
Car toyota=new Car("TOYOTA");
toyota.鎸傛。;
toyota.韙╂補(bǔ)闂?
toyota.鎵撴柟鍚?
}
}
榪欏叾涓殑渚濊禆鍏崇郴錛屽氨瀵艱嚧浜?jiǎn)瀵硅薄boy闇瑕佽礋璐ｅ璞oyota鐨勫垱寤猴紝鐢氳嚦鏄暣涓敓鍛藉懆鏈熺殑綆＄悊錛岃岃繖鏍鋒樉鐒朵細(xì)甯︽潵鑰﹀悎搴﹂珮錛屼笉鏄撶淮鎶ょ瓑緙虹偣錛屾瘮濡傝瑕佽榪欎釜鐢峰椹鵑┒涓杈咥udi錛屽垯榪橀渶瑕佷慨鏀圭被Person鐨勪唬鐮併?br /> 鍥犳鍦╦ava鐨勮璁＄悊璁轟腑灝辨彁鍑轟簡(jiǎn)涓鏉￠潪甯歌憲鍚嶇殑鍘熷垯錛屼緷璧栧掕漿鍘熷垯錛圖ependence Inversion錛夛紝鍏舵牳蹇?jī)鎬濇兂灝辨槸瑕佸皢榪欑鍏蜂綋綾諱箣闂寸殑渚濊禆錛屽敖閲忚漿鎹㈡垚鎶借薄渚濊禆錛屼篃灝辨槸璇寸被Person搴旇渚濊禆浜庢娊璞＄被ICar錛岃屼笉鏄叿浣撶殑綾? Car錛岃繖閲宩ava灝卞ぇ鍔涙帹鑽愪簡(jiǎn)鎶借薄鍜屾帴鍙ｇ殑浣跨敤錛岃嚦浜庢娊璞″拰鎺ュ彛涔嬮棿鐨勫尯鍒紝浠諱綍涓鏈琂AVA涔︾睄閮芥湁浠嬬粛錛岃繖閲屽氨涓嶅啀璇翠簡(jiǎn)銆?br />
榪欎釜渚濊禆鍊掕漿鍘熷垯鍦ㄨ璁℃ā寮忎篃浣撶幇寰楅潪甯稿錛屾瘮濡傝宸ュ巶妯″紡鍜屾瀯寤烘ā寮忥紝涓漢璁や負(fù)鎺у埗鍙嶈漿IoC錛屽叾瀹炰篃鍙互璁や負(fù)鏄疄鐜拌繖涓師鍒欑殑涓縐嶈璁℃ā寮忋傛帶鍒跺弽 杞紝鍏朵腑鐨勬帶鍒惰繖涓瘝涓鐩翠笉澶悊瑙ｆ槸浠涔堟剰鎬濓紝涓嶈繃鎺у埗鍙嶈漿鐨勫彟澶栦竴縐嶈娉曚篃灝辨槸渚濊禆娉ㄥ叆錛坉ependence injection錛夛紝涓漢瑙夊緱鏇存槗浜庣悊瑙ｃ傝繕鏄互涓婃枃鐨刡oy涓巘oyota涓轟緥錛屽叾鏍稿績(jī)?yōu)鏄灏哹oy渚濊禆鐨勫璞oyota娉ㄥ叆鍒癰oy涓幓錛岃屾棤 闇boy鑷繁鍘誨紩鐢╰oyota錛岃繖涓敞鍏ョ殑榪囩▼錛岄氬父鏄敱涓涓帶鍒剁▼搴忔潵瀹屾垚鐨勶紝鏃犻渶瀵硅薄鍘誨叧蹇?jī)锛屼妇渚嬪涓嬪Q?br /> Public Person{
private ICar car;
public Person(ICar onecar){
car=onecar;
}
public void drive(){
car.鎸傛。;
car.韙╂補(bǔ)闂?
car.鎵撴柟鍚?
}
}
榪欎釜鏃跺欙紝榪涜娉ㄥ叆騫朵笖璋冪敤鐨勮繃紼嬶紝灝卞緢綆鍗曚簡(jiǎn)錛屽涓嬶細(xì)
Toyota toyota=new Toyota();
Person boy=new Person(toyota);
boy.drive();
娉細(xì)榪欓噷鎴戜滑鍋囧畾錛孴oyota綾繪槸ICar鎺ュ彛綾葷殑涓涓叿浣撳疄鐜般?br /> 榪欎釜渚嬪瓙灝辨紨紺轟竴涓渶綆鍗曠殑娉ㄥ叆鏂瑰紡鐨勪緥瀛愶紝涔熷氨鏄瀯閫犲瓙鏂瑰紡娉ㄥ叆錛岄氳繃灝嗕緷璧栧璞℃敞鍏ュ埌瀵硅薄鐨勬瀯閫犲瓙涓潵瀹炵幇銆傚彟澶栬繕鏈変竴縐嶅父鐢ㄧ殑娉ㄥ叆鏂瑰紡錛屽氨鏄睘鎬ф柟寮忔敞鍏ワ紝鎰忔濆氨鏄氳繃灝嗕緷璧栧璞℃敞鍏ュ埌瀵硅薄鐨勫睘鎬т腑鏉ュ疄鐜幫紝榪樻槸浠oy鍜宼oyota鐨勪緥瀛愯鏄庯紝濡備笅錛?br /> Public Person{
private ICar car;
public Person(){
}
public void drive(){
car.鎸傛。;
car.韙╂補(bǔ)闂?
car.鎵撴柟鍚?
}
public ICar getCar(){
return this.car;
}
public void setCar(ICar onecar){
car=onecar;
}
}
榪欎釜鏃跺欙紝榪涜娉ㄥ叆騫朵笖璋冪敤鐨勮繃紼嬶紝灝卞彉鎴愬涓嬫墍紺猴細(xì)
Toyota toyota=new Toyota();
Person boy=new Person();
boy.setCar(toyota);
boy.drive();
鑷蟲(chóng)渚濊禆娉ㄥ叆鐨勬蹇靛簲璇ユ瘮杈冩竻妤氫簡(jiǎn)錛屽啀鏉ョ湅鐪嬪湪Spring涓浣曞疄鐜癐oC鐨勶紝鐪嬬湅Spring濡備綍浣滀負(fù)涓涓垚鐔熺殑IoC瀹瑰櫒錛孲pring涓叾瀹炰富瑕? 閫氳繃涓や釜姒傚康鏉ュ疄鐜癐oC錛岄鍏堥氳繃XML閰嶇疆鏂囦歡錛屽皢瀵硅薄鍜屼緷璧栧璞￠兘閰嶇疆鍒版煇涓猉ML鏂囦歡涓紝褰撶劧璇ML鏂囦歡闇瑕佺鍚圫pring鎸囧畾鐨勮鑼冿紝鐒跺悗 閫氳繃鏋舵瀯涓殑BeanFactroy綾伙紝鏉ヨ嚜鍔ㄥ疄鐜頒笂鏂囨墍榪版敞鍏ヨ繃紼嬶紝榪樻槸浠oy涓巘oyota涓轟緥錛屽涓嬶細(xì)
棣栧厛錛孭erson綾昏繕鏄竴鏍風(fēng)殑錛?br /> 鐒跺悗xml閰嶇疆鏂囦歡澧炲姞鐐逛笢瑗?錛堝亣瀹氫負(fù)bean.xml錛夛細(xì)
<?xml version="1.0" encoding="GBK"?>
<!DOCTYPE beans PUBLIC "-//SPRING/DTD BEAN/EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="oneCar" class="Toyota"> <!-- Toyota綾繪槸ICar鐨勪竴涓疄鐜?->
</bean>
<bean id="onePerson" class="Person"> <!--鏈緥浠ュ睘鎬ф柟寮忔敞鍏ヤ負(fù)渚?-->
<property name="car">
<ref bean="oneCar"></ref>
</property>
</bean>
</beans>
鏈鍚庯紝璋冪敤鐨勮繃紼嬶紝灝卞彉鎴愬涓嬶細(xì)
BeanFactory factory=new XmlBeanFactory("bean.xml");
Person boy=(Person )factory.getBean("onePerson");
boy.drive();
]]>