<PRE class=html name="code">spring 自动装配 default-autowire="byName/byType"
一、spring 自动装配 default-autowire="byName"
byName,按变量名称，与id名称一样，若不一样，就报错。
<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd"
default-autowire="byName">
<bean id="bean1" class="com.zd.bean.Bean1" >
<!-- 配了default-autowire="byName" ,可以注释
<property name="bean2">
<ref bean="bean2" />
</property>
<property name="bean3" ref="bean3" />
<property name="bean4">
<bean class="com.zd.bean.Bean4">
<property name="age" value="16" />
</bean>
</property>
-->
</bean>
二、spring 自动装配 default-autowire="byType"
byType，按类型自动装配，若变量与id不匹配，也没关系
<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd"
default-autowire="byName">
<bean id="bean1" class="com.zd.bean.Bean1" >
<!-- 配了default-autowire="byType" ,可以注释
<property name="bean2">
<ref bean="bean2" />
</property>
<property name="bean3" ref="bean3" />
<property name="bean4">
<bean class="com.zd.bean.Bean4">
<property name="age" value="16" />
</bean>
</property>
-->
</bean>
三、默认配置是no，推荐用这种，因以上自动装配，对维护不是太好。 </PRE><BR>
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