SpringBoot进阶教程 | 第一篇:YML多文档块实现多环境配置

作者 : 开心源码 本文共6083个字,预计阅读时间需要16分钟 发布时间: 2022-05-11 共127人阅读

你能否为SpringBoot一个功可以多个yml和多个properties文件区分不同运行环境配置,经常为这些配置文件的管理而头疼,现在通过这篇文章,将彻底处理你的烦恼,这篇文篇详情,怎样通过yml文件构建多文档块,区分不同环境配置,自由切换不同环境启动项目,一个配置文件搞定。

准备工作

环境:

windowsjdk 8maven 3.0IDEA

构建工程

 <?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">    <modelVersion>4.0.0</modelVersion>    <parent>        <groupId>cn.zhangbox</groupId>        <artifactId>spring-boot-study</artifactId>        <version>1.0-SNAPSHOT</version>    </parent>    <groupId>cn.zhangbox</groupId>    <artifactId>spring-boot-02-config</artifactId>    <version>0.0.1-SNAPSHOT</version>    <packaging>jar</packaging>    <name>spring-boot-02-config</name>    <description>Demo project for Spring Boot</description>    <properties>        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>        <java.version>1.8</java.version>    </properties>    <dependencies>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-web</artifactId>        </dependency>        <!--导入配置文件解决器,配置文件进行绑定就会有提醒-->        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-configuration-processor</artifactId>            <optional>true</optional>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-test</artifactId>            <scope>test</scope>        </dependency>    </dependencies>    <build>        <plugins>            <plugin>                <groupId>org.springframework.boot</groupId>                <artifactId>spring-boot-maven-plugin</artifactId>            </plugin>        </plugins>    </build></project>

修改YML配置

#选择哪一个环境的配置#这里能在每个环境配置redis,数据库(mysql),消息(kafka)等相关的组件的配置spring:  profiles:    active: prod#文档块区分为三个------server:  port: 8081spring:  profiles: test#文档块区分为三个------server:  port: 8082spring:  profiles: test#文档块区分为三个------server:  port: 8083spring:  profiles: prod

创立启动类

@SpringBootApplicationpublic class SpringBootConfigApplication {    public static void main(String[] args) {        SpringApplication.run(SpringBootConfigApplication.class, args);    }}

控制台打印

 .   ____          _            __ _ _ /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/  ___)| |_)| | | | | || (_| |  ) ) ) )  '  |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot ::        (v1.5.9.RELEASE)2018-07-04 15:07:26.214  INFO 14812 --- [           main] c.z.s.SpringBootConfigApplication        : Starting SpringBootConfigApplication on MS-20180428GSYE with PID 14812 (C:\Users\Administrator\Desktop\spring-boot-02-config\target\classes started by Administrator in C:\Users\Administrator\Desktop\spring-boot-02-config)2018-07-04 15:07:26.219  INFO 14812 --- [           main] c.z.s.SpringBootConfigApplication        : The following profiles are active: prod2018-07-04 15:07:26.281  INFO 14812 --- [           main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@3f57bcad: startup date [Wed Jul 04 15:07:26 GMT+08:00 2018]; root of context hierarchy2018-07-04 15:07:28.988  INFO 14812 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8083 (http)2018-07-04 15:07:29.029  INFO 14812 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]2018-07-04 15:07:29.031  INFO 14812 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet Engine: Apache Tomcat/8.5.232018-07-04 15:07:29.184  INFO 14812 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext2018-07-04 15:07:29.184  INFO 14812 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 2909 ms2018-07-04 15:07:29.419  INFO 14812 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean  : Mapping servlet: 'dispatcherServlet' to [/]2018-07-04 15:07:29.424  INFO 14812 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'characterEncodingFilter' to: [/*]2018-07-04 15:07:29.424  INFO 14812 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]2018-07-04 15:07:29.424  INFO 14812 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'httpPutFormContentFilter' to: [/*]2018-07-04 15:07:29.424  INFO 14812 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'requestContextFilter' to: [/*]2018-07-04 15:07:30.605  INFO 14812 --- [           main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@3f57bcad: startup date [Wed Jul 04 15:07:26 GMT+08:00 2018]; root of context hierarchy2018-07-04 15:07:30.731  INFO 14812 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)2018-07-04 15:07:30.732  INFO 14812 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)2018-07-04 15:07:30.777  INFO 14812 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2018-07-04 15:07:30.777  INFO 14812 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2018-07-04 15:07:30.833  INFO 14812 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]2018-07-04 15:07:31.166  INFO 14812 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup2018-07-04 15:07:31.470  INFO 14812 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8083 (http)2018-07-04 15:07:31.475  INFO 14812 --- [           main] c.z.s.SpringBootConfigApplication        : Started SpringBootConfigApplication in 5.897 seconds (JVM running for 7.324)

至此YML多文档块多环境配置是不是非常简单,切换环境只要要修改

spring:  profiles:    active: prod

中active对应的环境的值就可。

源码地址

Spring Boot多文档块多数据源源码

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