《SpringBoot篇：005》《引入外部配置文件》

//yml：
server.port=80
apikey=sdflksdhiufsdhgsdfhgdsfhg
    
//java:
@Value("${server.port}")
private String port;

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

//yml
wechart:
  xxx: 111
  yyy: 333
  zzz: 222
  aaa: 444  
  
// java
@ConfigurationProperties(prefix = "wechart")
@Component
@Data
public class WechartProperties{
	private String xxx;
	private String yyy;
	private String zzz;
	private String aaa;
}