1.在pom文件的中加入一行属性

            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.1.1.RELEASE</version>
                <configuration>
                    <fork>true</fork> 
                    
                    <!-- 把includeSystemScope属性 设置为 true 再项目 打包时可以打到jar包中 -->
                    <includeSystemScope>true</includeSystemScope> 
                    
                </configuration>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>