记SpringBoot读取配置文件乱码问题

SpringBoot读取配置文件，先后设置了

banner.charset=UTF-8
server.tomcat.uri-encoding=UTF-8
spring.http.encoding.charset=UTF-8
spring.http.encoding.enabled=true
spring.http.encoding.force=true
spring.messages.encoding=UTF-8

@RequestMapping(value = "/", produces="text/plain;charset=UTF-8")

都无效，最后发现

@ConfigurationProperties(prefix = "book")
@PropertySource(value = "classpath:book.properties", encoding = "UTF-8")
public class BookBean {
    private String name;
    private String author;
    private String price;

}

在注解上设置编码格式就好了，真是坑到我了