springboot import属性文件

古城微笑少年丶 2022-09-11 07:13 122阅读 0赞

--------------------

## springboot import属性文件 ##

## \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ##

**示例**

**\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**配置文件**

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAb1_nk5znlLDmnY7kuItfbw_size_9_color_FFFFFF_t_70_g_se_x_16][]

**application.yml**

name: 瓜田李下
    age: 20
    
    ---
    spring:
      config:
        import: classpath:/static/config/dev.yml
    
    ---
    spring:
      config:
        import: file:./custom/dev.yml

**/static/config/dev.yml**

name: 海贼王

**./custom/dev.yml**

server:
      port: 8000

**\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**controller 层**

**HelloController**

@RestController
    public class HelloController {
    
        @Value("${name}")
        private String name;
    
        @Value("${age}")
        private Integer age;
    
        @RequestMapping("/hello")
        public String hello(){
            System.out.println(name+"  "+age);
    
            return "hello";
        }
    }

## \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ##

**使用测试**

**应用启动，控制台输出**

2021-09-14 10:11:49.836  INFO 2944 --- [           main] o.a.catalina.core.AprLifecycleListener   : OpenSSL successfully initialized [OpenSSL 1.1.1c  28 May 2019]
    2021-09-14 10:11:50.034  INFO 2944 --- [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
    2021-09-14 10:11:50.034  INFO 2944 --- [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1474 ms
    2021-09-14 10:11:50.519  INFO 2944 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8000 (http) with context path ''
    2021-09-14 10:11:50.530  INFO 2944 --- [           main] com.example.demo.DemoApplication         : Started DemoApplication in 2.63 seconds (JVM running for 3.786)

**启动端口为8000，./custom/dev.yml配置生效**

**localhost:8000/hello，控制台输出**

2021-09-14 10:13:24.493  INFO 2944 --- [nio-8000-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring DispatcherServlet 'dispatcherServlet'
    2021-09-14 10:13:24.494  INFO 2944 --- [nio-8000-exec-1] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
    2021-09-14 10:13:24.496  INFO 2944 --- [nio-8000-exec-1] o.s.web.servlet.DispatcherServlet        : Completed initialization in 2 ms
    海贼王  20

**/static/dev.yml覆盖了同名配置name**

[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAb1_nk5znlLDmnY7kuItfbw_size_9_color_FFFFFF_t_70_g_se_x_16]: /images/20220828/8ff3132b36b6419baed7e80b4ef73052.png