文档查看地址如下:
http://www.boyunjian.com/do/jarse/gadetail.do?group=net.coobird&artifact=thumbnailator&keyword=thumbnailator
Maven jar包路径
<dependency>
<groupId>net.coobird</groupId>
<artifactId>thumbnailator</artifactId>
<version>0.4.7</version>
</dependency>