springboot配置文件

1、application.properties值注入

（1）properties
#test settint
global.systemName=cccp2009

（2）实体类
@Value("${global.systemName}")
private String systemName;

2、自定义properties值注入
（1）properties

#test setting
author.bookName=springboot 开发
author.date=2018-11-14

（2）实体类

@Component
@ConfigurationProperties(prefix = "author")
@PropertySource("classpath:author.properties")
public class Global {
	private String bookName;
    private String date;
    
    public String getBookName() {
        return bookName;
    }
    public void setBookName(String bookName) {
        this.bookName = bookName;
    }

    public String getDate() {
        return date;
    }

    public void setDate(String date) {
        this.date = date;
    }
}