Maven Profile

@SpringBootApplication
public class DemoApplication extends SpringBootServletInitializer {
  
    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }
  
    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
        return application.sources(DemoApplication.class);
    }
}

<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 https://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>2.7.18</version>
    <relativePath/>
  </parent>

  <groupId>com.example</groupId>
  <artifactId>demo</artifactId>
  <version>1.0.0</version>
  <name>demo</name>
  
  <!-- 默认使用 jar 包 -->
  <packaging>${packaging.type}</packaging>

  <properties>
    <java.version>8</java.version>
    <!-- 默认打包类型 -->
    <packaging.type>jar</packaging.type>
  </properties>

  <dependencies>
    <!-- Web starter - 默认包含内嵌 Tomcat -->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <!-- Tomcat 依赖，war 包时使用 provided 范围 -->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-tomcat</artifactId>
      <scope>${tomcat.scope}</scope>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
    </dependency>

<!-- 当你需要引入本地 JAR 包时 -->
    <dependency>
        <groupId>com.example</groupId>
        <artifactId>local-lib</artifactId>
        <version>1.0</version>
        <scope>system</scope>  <!-- system scope 表示本地文件 -->
        <systemPath>${project.basedir}/libs/local-lib.jar</systemPath>
    </dependency>

  </dependencies>

  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
        <!-- jar 包时需要可执行，war 包时不需要 -->
        <configuration>
          <skip>${spring-boot.skip}</skip>
<includeSystemScope>true</includeSystemScope>  <!-- 包含本地 JAR -->
        </configuration>
      </plugin>

      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-war-plugin</artifactId>
        <configuration>
          <failOnMissingWebXml>false</failOnMissingWebXml>
        </configuration>
      </plugin>
    </plugins>
  </build>

  <!-- Profile 配置：定义不同环境的属性 -->
  <profiles>
    <!-- Jar 包 Profile（默认） -->
    <profile>
      <id>jar</id>
      <activation>
        <activeByDefault>true</activeByDefault> <!-- IDEA 会默认激活 -->
      </activation>
      <properties>
        <packaging.type>jar</packaging.type>
        <tomcat.scope>compile</tomcat.scope>
        <spring-boot.skip>false</spring-boot.skip> <!-- 执行 repackage，生成可执行 JAR -->
      </properties>
    </profile>

    <!-- War 包 Profile -->
    <profile>
      <id>war</id>
      <properties>
        <packaging.type>war</packaging.type>
        <tomcat.scope>provided</tomcat.scope>
        <spring-boot.skip>true</spring-boot.skip>
      </properties>
      <dependencies>
        <!-- war 包需要排除内嵌 Tomcat -->
        <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter-web</artifactId>
          <exclusions>
            <exclusion>
              <groupId>org.springframework.boot</groupId>
              <artifactId>spring-boot-starter-tomcat</artifactId>
            </exclusion>
          </exclusions>
        </dependency>
      </dependencies>
    </profile>
  </profiles>
</project>