Spring简单属性注入

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"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
                        http://www.springframework.org/schema/beans/spring-beans.xsd">
                        
    <bean id="UserDaoImpl" class="com.zhangpn.daoImpl.UserDaoImpl">
        <property name="i" value="1"></property>
        <property name="j" value="2"></property>
    </bean>
</beans>

UserDaoImpl.java

package com.zhangpn.daoImpl;

import com.zhangpn.dao.UserDao;

public class UserDaoImpl implements UserDao{
    private int i;
    private int j;
    public int getI() {
        return i;
    }
    public void setI(int i) {
        this.i = i;
    }
    public int getJ() {
        return j;
    }
    public void setJ(int j) {
        this.j = j;
    }
    
}

Test.java

package com.zhangpn.Test;

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

import com.zhangpn.daoImpl.UserDaoImpl;

public class Test {

	public static void main(String[] args) {
		ApplicationContext applicationContext = new ClassPathXmlApplicationContext("beans.xml");
		UserDaoImpl userDaoImpl = (UserDaoImpl)applicationContext.getBean("UserDaoImpl");
		System.out.println(userDaoImpl.getI());
		System.out.println(userDaoImpl.getJ());
	}

}

　　测试结果：