package com.tools;

public interface Axe {
    void chop();
}

package com.tools.impl;
import com.tools.Axe;

public class StoneAxe implements Axe {
    public void chop() {
        System.out.println("用石斧砍柴。");
    }
}

package com.service;
import com.tools.Axe;

public class Person {
    private Axe axe;

    public void setAxe(Axe axe) {
        this.axe = axe;
    }

    public void useAxe(){
        if (axe == null){
            System.out.println("斧头不存在！");
            return;
        }
        
        axe.chop();
    }
}

package com.service;
import com.tools.Axe;
import com.tools.impl.StoneAxe;
import org.junit.Test;

public class PersonTest {
    @Test
    public void useAxeTest(){
        Person person = new Person();
        Axe axe = new StoneAxe();
        person.setAxe(axe);
        person.useAxe();
    }
}

用石斧砍柴。

package impl;
import tools.Axe;
public class SteelAxe implements Axe {
    public void chop() {
        System.out.println("用铁斧砍柴。");
    }
}

public void AxeTest(){
        ApplicationContext context= new ClassPathXmlApplicationContext("config/applicationContext.xml");
    Person person = (Person) context.getBean("person");
    Axe axe =(Axe)context.getBean("axe");
    person.setAxe(axe);
    person.useAxe();
   }

@Component("person")
public interface Person {
    void usePen();
}
、、、
@Component("arithmetic")
// ArithmeticAdd类
、、、
@Component("axe")
// SteelAxe类

@Autowired
@Qualier(value="StoneAxe")
private Axe axe;

@Test
public void useAxeTest(){
    ApplicationContext context= new ClassPathXmlApplicationContext("config/applicationContext.xml");
    Person person = context.getBean(Person.class);
    Axe axe =(Axe)context.getBean(Axe.class);
    person.setAxe(axe);
    person.useAxe();
}

@Confiquration
@ComponentScan(basePackages = { "com.example.javaee_test05.service", "com.example.javaee_test05.controller" })
public class AppConfig {
@Bean(name="bookService”)
	public BookService bookService(@Autowired Book book)[
		BookServiceImpl bookServiceImpl = new BookServiceImpl();
		bookServiceImpl.setBook(book);
		return bookServiceImpl;
	}
}

// ClassService
public class ClassService {
private String classNo;
private String className;
private String major;
}
//省略了setter和toString 方法
// Studentservice.java
public class StudentService{
private String sno;
private String sname;
private ClassService classService;
private List<Float> scoreList;
private Set<String> interest;
private Map<string, String> other;
// 省略了setter和toString 方法
}

//省略了import
public class XmlInjectionTest{
	@Test
	public void xmlInjectionTest(){
		ApplicationContext ac= new ClassPathXmlApplicationContext("config/beans.xml");
		StudentService studentService = ac.getBean(studentService.class);
		System.out.println(studentService);
	}
}

@Component
public class ClassService {
	@Value("2215711")
	private String classNo;
	@Value(”22 级软件工程1班”)
	private String className;
	@Value(“软件工程”)
	private String major;
	//省略了toString 方法
}

@Component
@PropertySource(value="classpath:data.properties",encoding = "utf-8")
public class StudentService {
    @Value("${student.sno}")
    private String sno;
    @Value("${student.sname}")
    private String sname;
    @Autowired
    private ClassService classService;
    @Value("#{'$student.scores}'.split (',')}")
    private List<Float> scoreList;
    @Value("#{'$student.interest)'.split(',')}")
    private Set<String> interest;
    @Value("#{'${student.other}}")
    private Map<String,String> other;
}

@Confiquration
@ComponentScan(basePackages = "com.example.javaee_test05.service")
public class AppConfig {
}

public class ConfigAnnotationTest {
    @Test
    public void configAnnotationTest(){
        ApplicationContext ac = new AnnotationConfigApplicationContext(AppConfig.class);
        StudentService studentService = ac.getBean(StudentService.class);
        System.out.println(studentService.tostring());
    }
}

//ClassService.java
package com.javaee.ex04.service;
    public class ClassService{
    private String classNo;
    private String className;
    private String major;
    // 省略了classService 属性的 setter 和 getter 方法
}
//TeacherService.java
package com.javaee.ex04.service;
    public class TeacherService {
    private ClassService classService;
    // 省略了classService 属性的 setter 和 getter 方法
}
//StudentService.java
package com.javaee.ex04.service;
    public class StudentService {
    private String sno;
    private String sname;
    private ClassService classService;
    // 省略了 classService 属性的 setter 和 getter 方法
}

package com. javaee. ex04;
// 省略了 import 语句
public class XmlScopeTest {
@Test
public void xmlScopeTest(){
    ApplicationContext ac = new ClassPathXmlApplicationContext("config/beans. xml");
    ClassService classService1 = ac. getBean(ClassService. class);
    ClassService classService2 = ac. getBean(ClassService. class);
    TeacherService teacherService1 = ac. getBean(TeacherService. class);
    TeacherService teacherService2 = ac. getBean(TeacherService. class);
    StudentService studentService1 = ac. getBean(StudentService. class);
    StudentService studentService2 = ac. getBean(StudentService. class);
    System. out. println("classService1:" + classService1);
    System. out. println("classService2:" + classService2);
    System. out. println("teacherService1:" + teacherService1);
    System. out. println("teacherService2:" + teacherService2);
    System. out. println("studentService1:" + studentService1);
    System. out. println("studentService2:" + studentService2);
    System. out. println("teacherService1. classService: " + teacherService1.getClassService());
    System. out. println("teacherService2. classService: " + teacherService2.getClassService());
    System. out. println("studentService1. classService:" + studentService1.getClassService());
    System. out. println("studentService2. classService:" + studentService2.getClassService());
    }
}

@Service
@Scope (ConflgurableBeanFactory.SCOPE PROTOTYPE)
public class ClassService {
    private String classNo;
    private String className;
    private String major;
}
@Service
@Scope (ConflgurableBeanFactory.SCOPE PROTOTYPE)
//TeacherService.java
@Service
@Scope (ConflgurableBeanFactory.SCOPE SINGLETON)
//StudentService.java

package com.javaee.ex04.config;
@ComponentScan(basePackages = "com.javaee.ex04.service")
@Configuration
public class AppConfig{
}