java 压缩图片

 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>