Spring4 learning review of the road 08- FactoryBean configuration Bean

Establish Student.java

package com.lql.srping04;

/**
 * @author: lql
 * @date: 2019.10.28
 * Description:
 */
public class Student {


    private String name;
    private Integer age;

    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }

    public Student() {
    }

    public Student(String name, Integer age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }
}

Establish StudentFactoryBean.java

package com.lql.srping04;

import org.springframework.beans.factory.FactoryBean;

/**
 * @author: lql
 * @date: 2019.10.28
 * Description:
 * Created with IntelliJ IDEA
 */
public class StudentFactoryBean implements FactoryBean<Student> {
    /**
     *
     * @return  返回bean的对象
     * @throws Exception
     */
    @Override
    public Student getObject() throws Exception {
        return new Student("张无忌",17); 
    } 

    / ** 
     * 
     * @return return bean type
      * / 
    @Override 
    public Class <?> GetObjectType () {
         return Student. Class ; 
    } 

    / ** 
     * 
     * @return whether singleton
      * / 
    @Override 
    public  Boolean isSingleton () {
         return  to true ; 
    } 
}

Configuration:

<?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="student" class="com.lql.srping04.StudentFactoryBean"></bean>
</beans>

test:

package com.lql.srping04;

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

/**
 * @author: lql
 * @date: 2019.10.28
 * Description:
 */
public class StudetnTest {
    public static void main(String[] args) {
        ApplicationContext app = new ClassPathXmlApplicationContext("spring04.xml");
//        Student student = app.getBean("studentfactory", Student.class);
        Student student = app.getBean("student", Student.class);
        System.out.println(student);
    }
}

result:

Information: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@37bba400: startup date [Mon Oct 28 15:03:41 GMT + 08: 00 2019]; root of context hierarchy 
October 28, 2019 3:03:41 pm org .springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions 
information: Loading the XML from the bean class path Resource Definitions [spring04.xml] Student {name = 'zhangwuji', age = 17}

Note that: custom FactoryBean need to achieve "FactoryBean" interface. Examples are returned getObject () Returns an instance of

Spring4 learning review of the road 08- FactoryBean configuration Bean

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