【原创】Spring构造函数的注入...

最新推荐文章于 2022-12-10 15:35:00 发布

Kipen

最新推荐文章于 2022-12-10 15:35:00 发布

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分类专栏： Spring 文章标签： spring string user class constructor import

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User.java

package org.rockie;

public class User {
private String username;
private Home myhome;

pbulc User(Home myhome)

{

this.myhome=myhome;

}
public Home getMyhome() {
  return myhome;
}
public void setMyhome(Home myhome) {
  this.myhome = myhome;
}
public String getUsername() {
  return username;
}
public void setUsername(String username) {
  this.username = username;
}

}

Home.java

package org.rockie;

public class Home {
private String homeaddr;

public String getHomeaddr() {
return homeaddr;
}

public void setHomeaddr(String homeaddr) {
this.homeaddr = homeaddr;
}

}

applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

<beans>

<bean id="home" class="org.rockie.Home" abstract="false"
  singleton="true" lazy-init="default" autowire="default"
  dependency-check="default">
  <property name="homeaddr">
   <value>深圳..</value>
  </property>
</bean>

<bean id="user" class="org.rockie.User" abstract="false"
  singleton="true" lazy-init="default" autowire="constructor"
  dependency-check="default">
  <property name="username">
   <value>rockie</value>
  </property>
</bean>
</beans>

TestMain.java

package org.rockie;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;

public class TestMain {

/**
* @param args
*/
public static void main(String[] args) {
  // TODO 自动生成方法存根
  ApplicationContext context=new FileSystemXmlApplicationContext("org/rockie/applicationContext.xml");
  User user=(User)context.getBean("user");
  System.out.println(user.getUsername());
  System.out.println(user.getMyhome().getHomeaddr());
}

}