thumbnailator + webp-imageio-core实现java处理图片支持webp

thumbnailator提供了便捷的图片处理api，webp-imageio-core屏蔽了不同平台webp本地库的差异。

<dependency>  
    <groupId>com.github.nintha</groupId>  
    <artifactId>webp-imageio-core</artifactId>  
    <version>{versoin}</version>  
    <scope>system</scope>  
    <systemPath>${project.basedir}/libs/webp-imageio-core-{version}.jar</systemPath>  
</dependency>
<dependency>
    <groupId>net.coobird</groupId>
    <artifactId>thumbnailator</artifactId>
    <version>0.4.8</version>
</dependency>

链接：

1. Java图片处理工具类库推荐---ThumbNailtor
2. webp-imageio-core