springboot获取application.yml中的配置信息

Posted 2020-10-30 思思博士

HelloController.java

package com.springbootweb.demo.controller;

import com.springbootweb.demo.entity.MyConfigProperties;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {

    @Value("${myconfig}")
    private String myconfig;

    @Value("${age}")
    private String age;

    @Value("${content}")
    private String content;



    //@RequestMapping("/hello")
    @RequestMapping(value={"/hello","hi"})
    public String say(){
        String str="hello spring boot》》》》"+myconfig+";age:"+age;
            str+="====";
             str+=content;
        return str;
    }

    @Autowired
    private MyConfigProperties cof;

    @RequestMapping("/conf")
    public MyConfigProperties getConfig(){
        return cof;
    }
}

MyProperties.java

package com.springbootweb.demo.entity;

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

@Component
@ConfigurationProperties(prefix = "myconfig1")
public class MyConfigProperties {
    private String name;
    private Integer age;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }
}

DemoApplication

package com.springbootweb.demo;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class DemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }
}

Application.yml

server:
  port: 8081
  context-path: /t
myconfig: gys
age: 25
content: "myname:${myconfig},age:${age}"
myconfig1:
  name: gysssssdddd
  age: 35