一、代码结构

 

application.properties文件里配置

personal.province=JiangSu personal.city=NanJing

PersonalProperties.java内容

 

@Componentpublic class PersonalProperties {    @Value("${personal.province}")    private String province;    @Value("${personal.city}")    private String city;    public String getProvince() {        return province;    }    public void setProvince(String province) {        this.province = province;    }    public String getCity() {        return city;    }    public void setCity(String city) {        this.city = city;    }}

 

DemoController.java内容

@RestControllerpublic class DemoController {    @Autowired    PersonalProperties personalProperties;        @RequestMapping("/demo")    private String demo() {        return   personalProperties.getCity() + " ， "+ personalProperties.getProvince();    }}

启动DemoApplicatiuon.java

网页打开http://localhost:8080/demo

页面显示：NanJing , JiangSu