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11级_Java_曹建波 05.06 Spring的autowire自动装配bean的四种方式

2013-05-07 08:50 615 查看

default

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> 
<bean id="computerBean" class="www.csdn.spring.bean.ComputerBean">
<property name="name" value="Dell n5110" />
</bean>

<bean id="deptBean" class="www.csdn.spring.bean.DeptBean">
<property name="name" value="CSDN教育事业部" />
</bean>

<bean id="employeeBean" class="www.csdn.spring.bean.EmployeeBean">
<property name="name" value="hahahha"/>
<property name="computerBean" ref="computerBean"/>
<property name="deptBean" ref="deptBean" />
</bean>

</beans>

byName

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> 
<bean id="computerBean" class="www.csdn.spring.bean.ComputerBean">
<property name="name" value="Dell n5110" />
</bean>

<bean id="deptBean" class="www.csdn.spring.bean.DeptBean">
<property name="name" value="CSDN教育事业部" />
</bean>

<bean id="employeeBean" class="www.csdn.spring.bean.EmployeeBean"
autowire="byName">
<property name="name" value="hahahha"/>
</bean>

</beans>

byType

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> 
<bean id="computerBean" class="www.csdn.spring.bean.ComputerBean">
<property name="name" value="Dell n5110" />
</bean>

<bean id="deptBean" class="www.csdn.spring.bean.DeptBean">
<property name="name" value="CSDN教育事业部" />
</bean>

<bean id="employeeBean" class="www.csdn.spring.bean.EmployeeBean"
autowire="byType">
<!-- <property name="name" value="hahahha"/> -->
<!-- <property name="computerBean" ref="computerBean"/>
<property name="deptBean" ref="deptBean" /> -->

</bean>

</beans>

constructor

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <bean id="computerBean" class="www.csdn.spring.bean.ComputerBean">
<property name="name" value="Dell n5110" />
</bean>

<bean id="deptBean" class="www.csdn.spring.bean.DeptBean">
<property name="name" value="CSDN教育事业部" />
</bean>

<!-- <bean id="employeeBean" class="www.csdn.spring.bean.EmployeeBean"
autowire="constructor">
</bean> -->
<bean id="employeeBean" class="www.csdn.spring.bean.EmployeeBean"/>

<bean class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor"></bean>
</beans>

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