第六节:SpingBoot基本配置一

#自定义属性
rumenz.name=rumenz
rumenz.url=https://rumenz.com

@RestController
@RequestMapping("/rumenz")
public class RumenzController {
     @Value("${rumenz.name}")
     private String rumenzName;

     @Value("${rumenz.url}")
     private String rumenzUrl;

     @RequestMapping("/index")
     public String index(){
          return rumenzName+":::"+rumenzUrl;
     }
}

com.rumenz.id=1
com.rumenz.name=hello

@Component
@ConfigurationProperties(prefix = "com.rumenz")
public class RumenzConfig {
    private Integer id;
    private String name;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

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

@RestController
@RequestMapping("/rumenz")
public class RumenzController {


     @Autowired
     RumenzConfig rumenzConfig;


     @RequestMapping("/index1")
     public String index1(){
          return rumenzConfig.getId()+":::"+rumenzConfig.getName();
     }
}

com.rumenz.id=1
com.rumenz.name=hello
com.rumenz.des=${com.rumenz.name}${com.rumenz.id}

@RestController
@RequestMapping("/rumenz")
public class RumenzController {

     @Value("${com.rumenz.des}")
     private String rumenzDes;

     @RequestMapping("/index2")
     public String index2(){
          //配置文件参数引用
          //com.rumenz.des=${com.rumenz.name}${com.rumenz.id}
          return rumenzDes;
     }
}

com.rumenz.tag=入门小站
com.rumenz.txt=这是一个教程网站

@RestController
@RequestMapping("/rumenz")
@PropertySource(value="classpath:rumenz.properties",encoding = "utf-8")
public class Rumenz1Controller {

    @Value("${com.rumenz.tag}")
    private String rumenzTag;

    @Value("${com.rumenz.txt}")
    private String rumenzTxt;

    @RequestMapping("/index3")
    public String index3(){
        //这是自定义配置中配置的属性
        return rumenzTag+rumenzTxt;
    }
}

@PropertySource(value = {
        "classpath:rumenz.properties",
        "classpath:rumenz2.properties",
}, encoding = "utf-8")