springBoot2.0 Yaml值获取
2024-09-03 17:33:35
1. pom.xml添加如下依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
</dependency>
2. 编写bean文件
package cn.jfjb.bean;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
import java.util.Date;
import java.util.List;
import java.util.Map;
/**
* @author john
* @date 2019/11/22 - 8:56
*/
@Component
@ConfigurationProperties(prefix = "person")
public class Person {
private String lastName;
private Integer age;
private boolean boss;
private Date birth;
private List<Dog> dogs;
private Map<String, Object> maps;
private List<Object> lists;
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
public boolean isBoss() {
return boss;
}
public void setBoss(boolean boss) {
this.boss = boss;
}
public Date getBirth() {
return birth;
}
public void setBirth(Date birth) {
this.birth = birth;
}
public List<Dog> getDogs() {
return dogs;
}
public void setDogs(List<Dog> dogs) {
this.dogs = dogs;
}
public Map<String, Object> getMaps() {
return maps;
}
public void setMaps(Map<String, Object> maps) {
this.maps = maps;
}
public List<Object> getLists() {
return lists;
}
public void setLists(List<Object> lists) {
this.lists = lists;
}
@Override
public String toString() {
return "Person{" +
"lastName='" + lastName + '\'' +
", age=" + age +
", boss=" + boss +
", birth=" + birth +
", dogs=" + dogs +
", maps=" + maps +
", lists=" + lists +
'}';
}
}
3. 入口文件添加@EnableConfigurationProperties
package cn.jfjb.sbhelloworld01quick;
import cn.jfjb.bean.Person;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
@SpringBootApplication
@EnableConfigurationProperties({Person.class})
public class SbHelloworld01QuickApplication {
public static void main(String[] args) {
SpringApplication.run(SbHelloworld01QuickApplication.class, args);
}
}
4. 编写application.yaml文件
person:
last-name: "aa"
age: 12
boss: false
birth: 2019/11/11
dogs:
- {name: "aa",age: 11}
- {name: "bb",age: 12}
- {name: "cc",age: 14}
maps:
aa: 1
bb: "aas"
lists:
- 1
- 2
- 3
- 4
- 5
- 6
4. 进行测试
package cn.jfjb.sbhelloworld01quick;
import cn.jfjb.bean.Person;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class SbHelloworld01QuickApplicationTests {
@Autowired
Person person;
@Test
void contextLoads() {
System.out.println(person);
}
}
效果如图
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