在pom中添加下面的配置
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.6.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
<!--lib存放的位置,根據此路徑加載lib下的jar-->
<compilerArguments>
<extdirs>${project.basedir}/src/main/resources/lib</extdirs>
</compilerArguments>
</configuration>
</plugin>
</plugins>
</build>