Spring入门_03_构造注入

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实体类 Student.java

package com.umgsai.spring.entity;import java.util.Date;public class Student {    private int id;    private String name;    private String sex;    private Date birthday;    public Student(int id, String name, String sex, Date birthday) {//构造函数        super();        this.id = id;        this.name = name;        this.sex = sex;        this.birthday = birthday;    }//省略其他get、set方法}

applicationContext.xml

<bean id="student" class="com.umgsai.spring.entity.Student">    <constructor-arg value="1"/>    <constructor-arg value="umgsai"/>    <constructor-arg value="M"/>    <constructor-arg ref="cur"/><!--引用--></bean><bean id="cur" class="java.util.Date"/>

测试注入

BeanFactory factory = new ClassPathXmlApplicationContext("applicationContext.xml");Student student = (Student)factory.getBean("student");System.out.println(student.getId()+":"+student.getName());

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