Java圖片處理類庫Thumbnails使用教程，圖片縮放、裁剪、旋轉、壓縮

maven dependency <!-- https://mvnrepository.com/artifact/net.coobird/thumbnailator --> <dependency> <groupId>net.coobird</groupId> <artifactId>thumbnailator</artifactId> <version>0.4.8</ve

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