File sourceFile = new File("F:\\1.png");
File targetFile = new File("F:\\2.png");
Thumbnails.of(sourceFile).scale(0.3f).toFile(targetFile);
<dependency>
<groupId>net.coobird</groupId>
<artifactId>thumbnailator</artifactId>
<version>0.4.14</version>
</dependency>
标签：java,压缩,sourceFile,targetFile,File,new,png,图片 From： https://www.cnblogs.com/weixingbo/p/16857452.html