1.pom.xml 指向啟動頁

<!-- 打包包名 -->
    <build>
        <finalName>bigData</finalName>
            <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <!--這裡寫上main方法所在類的路徑-->
                <configuration>
                    <mainClass>com.jainfo.DataApplication</mainClass>
                </configuration>
                 <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

2專案根目錄下執行此命令

mvn clean package