maven

        <dependency>
            <groupId>org.imgscalr</groupId>
            <artifactId>imgscalr-lib</artifactId>
            <version>4.2</version>
        </dependency>

resize

##缩放到指定长宽
BufferedImage newImage = Scalr.resize(img,Scalr.Method.SPEED,
targetWidth,targetHeight);
##按比例缩放为长,宽都不超过150的图片
BufferedImage thumbnail = Scalr.resize(image, 150);

rotate

BufferedImage img = ImageIO.read(new File(path));
BufferedImage toImg = Scalr.rotate(img, Scalr.Rotation.CW_90);

crop

BufferedImage img = ImageIO.read(new File(path));
BufferedImage toImg = Scalr.crop(toImg,50,50,400,500);

doc


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当一个代码的工匠回首往事时,不因虚度年华而悔恨,也不因碌碌无为而羞愧,这样,当他老的时候,可以很自豪告诉世人,我曾经将代码注入生命去打造互联网的浪潮之巅,那是个很疯狂的时代,我在一波波的浪潮上留下...