首页 > it技术 > >
springboot如何获取yml里面的属性值
2022-03-11
目录
如何获取yml里面的属性值
开发环境
项目结构
pom依赖
springboot启动类
person.yml
person.java
Dog.java
SpringbootDemoApplicationTests
控制台输出
获取.yml中自定义参数
通过@Value获取
通过@ConfigurationProperties(prefix = "weixinAndAli")注解
如何获取yml里面的属性值
开发环境
项目结构
文章图片
pom依赖
4.0.0 org.springframework.boot spring-boot-starter-parent2.1.8.RELEASE com.springboot springboot_demo0.0.1-SNAPSHOT springboot_demo Demo project for Spring Boot 1.8 org.springframework.boot spring-boot-starter-weborg.projectlombok lomboktrue org.springframework.boot spring-boot-configuration-processortrue org.springframework.boot spring-boot-starter-testtestorg.springframework.boot spring-boot-maven-plugin
springboot启动类
package com.springboot.springboot_demo;
import org.springframework.beans.factory.config.YamlPropertiesFactoryBean;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.core.io.ClassPathResource;
@SpringBootApplicationpublic class SpringbootDemoApplication { public static void main(String[] args) {SpringApplication.run(SpringbootDemoApplication.class, args);
}/*** 设置自定义yml位置** @return*/@Beanpublic static PropertySourcesPlaceholderConfigurer properties() {PropertySourcesPlaceholderConfigurer pspc = new PropertySourcesPlaceholderConfigurer();
YamlPropertiesFactoryBean yaml = new YamlPropertiesFactoryBean();
yaml.setResources(new ClassPathResource[] {/** 请求url地址 */new ClassPathResource("config/person.yml")});
pspc.setProperties(yaml.getObject());
return pspc;
}}
person.yml
person:lastName: zhangsanage: 18boss: falsebirth: 2017/12/12maps: {k1: v1,k2: v2}lists:- lisi- zhaoliudog:name: 小狗age: 2
person.java
package com.springboot.springboot_demo.pojo;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
import java.util.Date;
import java.util.List;
import java.util.Map;
/** * 将配置文件中配置的每一个属性的值映射到person * @ConfigurationProperties 告诉springboot 将本类中的值与配置文件中的值绑定 * prefix = "person" 配置文件下的那个属性下的 * 只有这个组件是容器中的组件才能使用@Component */@Data@Component@ConfigurationProperties(prefix = "person")public class Person { private String lastName;
private Integer age;
private Boolean boss;
private Date birth;
private Map maps;
private List lists;
private Dog dog;
}package com.springboot.springboot_demo.pojo;
import lombok.Data;
@Datapublic class Dog {private String name;
private String age;
} package com.springboot.springboot_demo;
import com.springboot.springboot_demo.pojo.Person;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
/** * springboot单元测试 */@RunWith(SpringRunner.class)@SpringBootTestpublic class SpringbootDemoApplicationTests { @Autowiredprivate Person person;
@Value("${person.lastName}")private String username;
@Testpublic void contextLoads() {System.out.println(person);
}@Testpublic void personCopy() {System.out.println(username);
} } Person(lastName=zhangsan, age=18, boss=false, birth=Tue Dec 12 00:00:00 CST 2017, maps={k1=v1, k2=v2}, lists=[lisi, zhaoliu], dog=Dog(name=小狗, age=2))
zhangsan
package com.heque.service.pay;
import org.springframework.beans.factory.annotation.Value;
public abstract class ObtainNotifyUrl {@Value("${weixinAndAli.wechatNotifyUrl}")private String wechatNotifyUrl;
@Value("${weixinAndAli.aliNotifyUrl}")private String aliNotifyUrl;
public String getWechatNotifyUrl() {return wechatNotifyUrl;
}public void setWechatNotifyUrl(String wechatNotifyUrl) {this.wechatNotifyUrl = wechatNotifyUrl;
}public String getAliNotifyUrl() {return aliNotifyUrl;
}public void setAliNotifyUrl(String aliNotifyUrl) {this.aliNotifyUrl = aliNotifyUrl;
}} package com.heque.service.pay;
import org.springframework.stereotype.Component;
import lombok.Data;
import lombok.EqualsAndHashCode;
@Data@EqualsAndHashCode(callSuper = false)@Componentpublic class Test extends ObtainNotifyUrl{} @Autowired private Test test;
test.getAliNotifyUrl();
/test.getWechatNotifyUrl();
package com.heque.service.pay;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
/** * @author: TimBrian * @date: Sep 10, 2018 9:13:40 AM */@Component@ConfigurationProperties(prefix = "weixinAndAli")public class ConfigUtils {private String wechatNotifyUrl;
private String aliNotifyUrl;
public String getWechatNotifyUrl() {return this.wechatNotifyUrl;
}public void setWechatNotifyUrl(String wechatNotifyUrl) {this.wechatNotifyUrl = wechatNotifyUrl;
}public String getAliNotifyUrl() {return aliNotifyUrl;
}public void setAliNotifyUrl(String aliNotifyUrl) {this.aliNotifyUrl = aliNotifyUrl;
}} 【springboot如何获取yml里面的属性值】 以上为个人经验，希望能给大家一个参考，也希望大家多多支持脚本之家。
推荐阅读
