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실습 4일차_@Value_resourceBundle
Spring @Value_resourceBundle
MainClass.java
import java.util.List;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.GenericXmlApplicationContext;
import com.dto.Cat;
public class MainClass {
public static void main(String[] args) {
// IoC Container
ApplicationContext ctx =
new GenericXmlApplicationContext("classpath:com/config/test.xml");
Cat c = ctx.getBean("cat1", Cat.class);
System.out.printf("고양이 이름:%s 나이:%s 성별:%s", c.getName(), c.getAge(), c.getSex());
}
}Cat.java
package com.dto;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
public class Cat {
@Value("${cat.name}")
String name;
@Value("${cat.age}")
int age;
@Value("${cat.sex}")
String sex;
public Cat() {
}
// 기본 생성자 안 만들고 인자있는 생성자 만듬
public Cat(String name, int age, String sex) {
super();
this.name = name;
this.age = age;
this.sex = sex;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
@Override
public String toString() {
return "Cat [name=" + name + ", age=" + age + ", sex=" + sex + "]";
}
}Person.java
package com.dto;
import javax.annotation.Resource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
public class Person {
String username;
int userage;
String address;
//@Autowired(required = false)
//@Qualifier("cat1")
@Resource(name = "cat2")
Cat cat; // null
public Person() {
}
// 기본 생성자 안 만들고 인자있는 생성자 만듬
public Person(String username, int userage, String address, Cat cat) {
super();
this.username = username;
this.userage = userage;
this.address = address;
this.cat = cat;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public int getUserage() {
return userage;
}
public void setUserage(int userage) {
this.userage = userage;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public Cat getCat() {
return cat;
}
public void setCat(Cat cat) {
this.cat = cat;
}
@Override
public String toString() {
return "Person [username=" + username + ", userage=" + userage + ", address=" + address + ", cat=" + cat + "]";
}
}test.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"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
<context:annotation-config />
<context:property-placeholder location="classpath:com/config/cat.properties" file-encoding="utf-8"/>
<bean id="cat1" class="com.dto.Cat" />
<!--
<bean id="cat1" class="com.dto.Cat"> < 생성자로 주입 property라는 setter method 이용-->
<!-- <property name="name" value="나비" />
<property name="age" value="3" />
<property name="sex" value="암컷" />
</bean>
-->
</beans>
<!-- @ 어노테이션 활성화 -->
<context:annotation-config />* context 활성화 방법
[Namespaces 탭] → [context] Check → Configure Namespaces 알림창 OK 버튼 마우스로 클릭
cat.properties
cat.name = 망치
cat.age = 2
cat.sex = 수컷
* 출력 화면
출처
@Value:
+ 강의 교재
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