目录
- 1. 示例代码结构
- 2. pom文件
- 3. application文件
- 4. application-dev文件
- 5. application-prod文件
- 6. TestController文件
- 7. Main文件
- 8. 效果演示
resources下application.yml、application-dev.yml、application-prod.yml多编程个配置文件。
spring: profiles: active: dev
spring: profiles: active: prod
一般都是通过修改spring.profiles.active值来修改加载不同环境的配置信息,可以把切换的dev/prod放到pom.XML文件来实现,避免手动修改。
1. 示例代码结构
2. pom文件
<?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>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.7.0</version> </parent> <groupId>vip.buddha</groupId> <artifactId>springboot-demo</artifactId> <version>1.0-SNAPSHOT</version> <properties> <maven.compijavascriptler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> </dependencies> <profiles> <!-- 开发环境 --> <profile> <id>dev</id> <activation> <activeByDefault>true</activeByDefault> </activation> <properties> <package.environment>dev</package.environment> </properties> </profile> <!-- 生产环境 --> <profile> <id>prod</id> <activat编程ion> <activeByDefault>false</activeByDefault> </activation> <properties> <package.environment>prod</package.environment> </properties> </profile> </profiles> <build> <resources> <resource> <directory>src/main/resources</directory> <filtering>true</filtering> <!-- 添加以下配置,明确包含YAML文件 --> <includes> <include>**/*.yml</include> </includes> </resource> </resources> <plugins> <plugin> <artifactId>maven-resources-plugin</artifactId> <configuration> <delimiters> <delimiter>${}</delimiter> <!-- 使用 ${} 作为占位符 --> </delimiters> <useDefaultDelimiters>false</useDefaultDelimiters> <!-- 禁用默认的 @..@ --> </configuration> </plugin> </plugins> </build> </project>
3. application文件
spring: profiles: active: ${package.environment}
4. application-dev文件
spring: datasource: url: jdbc:mysql://localhost:3306/dev_db username: dev_user password: dev_password
5. application-prod文件
spring: datasource: url: jdbc:mysql://localhost:3306/prod_db username: prod_user password: prod_password
6. TestController文件
package vip.buddha.controller; import org.springframework.beans.factory.annotation.Value; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; @RestController public class TestController { @Value("${spring.datasource.url}") private String url; @Value("${spring.datasource.username}") private String username; @Value("${spring.datasource.password}") private String password; @RequestMapping("/test") public void test() { System.out.println("url:" + url); Syjavascriptstem.out.println("username:" + username); System.out.println("password:" + password); } }
7. Main文件
package vip.buddha; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class Main { public static void main(String[] args) { SpringApplication.run(Main.class, args); } }
8. 效果演示
maven面板中,先clean,后选择Profiles为dev还是prod,再install后启动javascriptMain主程序。浏览器访问http://localhost:8080/test,接口控制台就展示出预期结果来。
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