外部jar包导入可能会导致打包后放入tomcat中找不到jar包
进行下面操作 1.在pom.xml文件中加入
<dependency>
<groupId>aspose.slides</groupId>
<artifactId>slides</artifactId>
<version>19.3</version>
<scope>system</scope>
<systemPath>${basedir}/lib/aspose.slides-19.3.jar</systemPath>
</dependency>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<includeSystemScope>true</includeSystemScope>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<webResources>
<resource>
<directory>${project.basedir}/lib</directory>
<targetPath>WEB-INF/lib</targetPath>
<includes>
<include>**/*.jar</include>
</includes>
</resource>
</webResources>
</configuration>
</plugin>
</plugins>
</build>
//basedir代表当前文件路径 //build也要修改 2.在项目中创建lib文件夹,把jar包放入