添加配置文件处理器依赖
<!-- 配置文件处理器
-->
<dependency>
<groupId>org
.springframework
.boot
</groupId
>
<artifactId>spring
-boot
-configuration
-processor
</artifactId
>
<optional>true</optional
>
</dependency
>
Person 类
package com
.kwok
.springboot
.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
;
@Component
@ConfigurationProperties(prefix
= "person")
public class Person {
private String lastName
;
private Integer age
;
private boolean boss
;
private Date birth
;
private Map
<String,Object> maps
;
private List
<Object> lists
;
private Dog dog
;
@Override
public String
toString() {
return "Person{" +
"lastName='" + lastName
+ '\'' +
", age=" + age
+
", boss=" + boss
+
", birth=" + birth
+
", maps=" + maps
+
", lists=" + lists
+
", dog=" + dog
+
'}';
}
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 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
;
}
public Dog
getDog() {
return dog
;
}
public void setDog(Dog dog
) {
this.dog
= dog
;
}
}
yaml 配置文件
server:
port: 8081
person:
lastName: zhangsan
age: 32
boss: false
birth: 1990/12/12
maps: {k1: v1
,k2: v2
}
lists:
- lisi
- zhaoyun
dog:
name: bob
age: 2
测试类
package com
.kwok
.springboot
;
import com
.kwok
.springboot
.bean
.Person
;
import org
.junit
.Test
;
import org
.junit
.runner
.RunWith
;
import org
.springframework
.beans
.factory
.annotation
.Autowired
;
import org
.springframework
.boot
.test
.context
.SpringBootTest
;
import org
.springframework
.test
.context
.junit4
.SpringRunner
;
@RunWith(SpringRunner
.class)
@SpringBootTest
public class SpringbootHelloworldQuickApplicationTests {
@Autowired
Person person1
;
@Test
public void contextLoads() {
System
.out
.println(person1
);
}
}
起初由于Person类没有添加Setting、Getting方法，输出的Person元组值为null，一直没找到原因，添加后成功输出：
左侧标志可以看出，set函数被用在了Spring Boot 配置函数中
