package com.yiibai.core;
public class Customer {
private Item item;
private String itemName;
}
package com.yiibai.core;
public class Item {
private String name;
private int qty;
}
<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-3.0.xsd">
<bean id="itemBean" class="com.yiibai.core.Item">
<property name="name" value="itemA" />
<property name="qty" value="10" />
</bean>
<bean id="customerBean" class="com.yiibai.core.Customer">
<property name="item" value="#{itemBean}" />
<property name="itemName" value="#{itemBean.name}" />
</bean>
</beans>
package com.yiibai.core;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
@Component("customerBean")
public class Customer {
@Value("#{itemBean}")
private Item item;
@Value("#{itemBean.name}")
private String itemName;
//...
}
package com.yiibai.core;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
@Component("itemBean")
public class Item {
@Value("itemA") //inject String directly
private String name;
@Value("10") //inject interger directly
private int qty;
public String getName() {
return name;
}
//...
}
<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-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <context:component-scan base-package="com.yiibai.core" /> </beans>
package com.yiibai.core;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class App {
public static void main(String[] args) {
ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");
Customer obj = (Customer) context.getBean("customerBean");
System.out.println(obj);
}
}
輸出結(jié)果
Customer [item=Item [name=itemA, qty=10], itemName=itemA]
掃碼關(guān)注鍍金池微信號
手機訂課，優(yōu)惠多多