六@Resourceで属性組立を完成しました。
4279 ワード
@Resource
java , spring lib/j2ee/common-annotation.jar , , beans.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd">
<context:annotation-config/>
</beans>
xmlns:context="http://www.springframework.org/schema/context"
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
<context:annotation-config/>
spring , , spring-context-2.5.xsd
, java
@Autowired : , , null , required false。
, @Qualifier
@Autowired @Qualifier("personDaoBean")
private PersonDao personDao;
@Resource : , @Resource name , name , ,
bean , setter , bean 。
@Resource(name="personDaoBean")
private PersonDao personDao;
@Resource , @Resource j2ee , @AutoWired spring , @Resource
。
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd">
<context:annotation-config/>
<bean id="persondao" class="cn.itcast.service.impl.PersonDaoBean"></bean>
<bean id="personservicebean" class="cn.itcast.service.impl.PersonServiceBean"></bean>
</beans>
package cn.itcast.service.impl;
import javax.annotation.Resource;
import cn.itcast.service.PersonDao;
import cn.itcast.service.PersonService;
public class PersonServiceBean implements PersonService {
private PersonDao persondao;
private String name;
public PersonServiceBean(){}
public void save(){
System.out.println(" save() ");
this.persondao.add();
//System.out.println("name----------->"+name);
}
public PersonDao getPersondao() {
return persondao;
}
@Resource
public void setPersondao(PersonDao persondao) {
this.persondao = persondao;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public PersonServiceBean(PersonDao persondao, String name) {
this.persondao = persondao;
//this.name = name;
}
}
set , @Resource private PersonDao persondao;
:1 , ,
, , , ,
spring , ,
spring
2 : java @Autowired @Resource , :
@Autowired ,@Resource , bean 。
end! !