复制jar包到resources下
IDEA\Project Setting\Libraries添加jar包
pom.xml加入此dependency
<dependency>
<groupId>org.opencv</groupId>
<artifactId>opencv</artifactId>
<version>3.3.0</version>
<scope>system</scope>
<systemPath>${project.basedir}/src/main/resources/opencv-330.jar</systemPath>
</dependency>