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homework 0902
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‎04fx/spring01/src/main/java/homework0902/0902.md‎

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写代码实现Spring Bean的装配，方式越多越好（XML、Annotation都可以）

‎04fx/spring01/src/main/java/homework0902/Homework0902.java‎

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package homework0902;
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import homework0902.pojo.Student;
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import homework0902.pojo.Student1;
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import homework0902.pojo.Student2;
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import homework0902.pojo.StuConfig;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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public class Homework0902 {
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public static void main(String[] args) {
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ApplicationContext applicationContext = new ClassPathXmlApplicationContext("hwApplicationContext.xml");
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ApplicationContext configContext = new AnnotationConfigApplicationContext(StuConfig.class);
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Student student1 = (Student1) applicationContext.getBean("student1");
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System.out.println("方法1：" + student1.toString());
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Student student2 = (Student2) applicationContext.getBean("student2");
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System.out.println("方法2：" + student2.toString());
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Student student3 = applicationContext.getBean(Student2.class);
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System.out.println("方法3：" + student3.toString());
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Student student4 = (Student) configContext.getBean("stu1");
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System.out.println("方法4：" + student4.toString());
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}
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}

‎04fx/spring01/src/main/java/homework0902/pojo/StuConfig.java‎

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package homework0902.pojo;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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@Configuration
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public class StuConfig{
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@Bean(name = "stu1")
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public Student getStudent() {
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return new Student1(3,"xiyuan3");
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}
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}

‎04fx/spring01/src/main/java/homework0902/pojo/Student.java‎

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package homework0902.pojo;
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import java.io.Serializable;
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public interface Student extends Serializable {
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void dingdo();
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}

‎04fx/spring01/src/main/java/homework0902/pojo/Student1.java‎

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package homework0902.pojo;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import lombok.ToString;
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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@ToString
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public class Student1 implements Student {
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private int id;
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private String name;
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@Override
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public void dingdo() {
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System.out.println("Student1");
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}
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}

‎04fx/spring01/src/main/java/homework0902/pojo/Student2.java‎

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package homework0902.pojo;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import lombok.ToString;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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@ToString
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@Component(value = "student2")
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public class Student2 implements Student {
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@Value("002")
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private int id;
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@Value("西元2")
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private String name;
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@Override
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public void dingdo() {
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System.out.println("Student2");
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}
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}

‎04fx/spring01/src/main/resources/hwApplicationContext.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:context="http://www.springframework.org/schema/context"
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xmlns:aop="http://www.springframework.org/schema/aop"
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xsi:schemaLocation="http://www.springframework.org/schema/beans
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http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
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http://www.springframework.org/schema/context
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http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd">
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<bean id="student1"
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class="homework0902.pojo.Student1">
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<property name="id" value="001" />
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<property name="name" value="西元1" />
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</bean>
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<context:component-scan base-package="homework0902.pojo" />
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</beans>

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