springboot中的配置文件绑定

时间:2020-01-09
本文章向大家介绍springboot中的配置文件绑定,主要包括springboot中的配置文件绑定使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。
先创建一个peron类,然后需要注解configurationProperties(prefix ="person")
然后需要加一个@component
因为只有在springboot的容器才能提供容器提供的@configurationProperties
@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; 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; } @Override public String toString() { return "Person [lastName=" + lastName + ", age=" + age + ", boss=" + boss + ", birth=" + birth + ", maps=" + maps + ", lists=" + lists + ", dog=" + dog + "]"; } }

  dog类

public class Dog {
	private String Name;
	private Integer age;
	public String getName() {
		return Name;
	}
	public void setName(String name) {
		Name = name;
	}
	public Integer getAge() {
		return age;
	}
	public void setAge(Integer age) {
		this.age = age;
	}
	@Override
	public String toString() {
		return "Dog [Name=" + Name + ", age=" + age + "]";
	}
	
}

  

写完后,ide会提示需要在pom.xml中导入组件处理器。

<!-- 配置文件的处理器 ,配置文件进行绑定就会有提示-->
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-configuration-processor</artifactId>
			<optional>true</optional>
		</dependency>
	</dependencies>

  然后创建配置文件,有两种方式,一个时yml文件,另一个时properties

1,application.yml

person:
  last-name: zhangsan
  age: 24
  boss: false
  birth: 2017/12/5
  maps: {k1: v1,k2: v2}
  lists: [lisi, zhangsan]
  dog:
  Name: xiaohei
  age: 4
    

2.application.properties

中文字,在eclipse中自动转为unicode码

person.age=24
person.last-name=\u5F20\u4E09
person.birth=2000/1/1
person.boss=false
person.maps.k1=value1
person.maps.k2=12
person.dog.name=\u5C0F\u9ED1
person.dog.age=2

  在test中使用spring boot的单元测试

@RunWith(SpringRunner.class)
@SpringBootTest
class Helloworld01QuickApplicationTests {

	@Autowired
	Person person;
	
	
	@Test
	void contextLoads() {
		System.out.println(person);
	}

}

  运行,会看到得到配置文件中的数据

原文地址:https://www.cnblogs.com/hamish26/p/12171877.html