获取图片的格式

最新推荐文章于 2021-12-25 11:27:30 发布

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最新推荐文章于 2021-12-25 11:27:30 发布

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文章标签： exception object string iterator iis class

本文链接：https://blog.youkuaiyun.com/onlyg/article/details/7238447

版权

public class Main {   
    private static String subpath = "c:/TEST.gif" ;     
    public static String getFormatName(Object object) throws Exception{
    	  ImageInputStream iis = ImageIO.createImageInputStream(object);
    	  Iterator<ImageReader> iterator = ImageIO.getImageReaders(iis);
    	  while (iterator.hasNext()) {
    		  ImageReader reader = (ImageReader)iterator.next();
    		  return reader.getFormatName();
    	  }    	  
    	  return null;
	}

    public static void main(String[] args){
    	try {
			System.out.println(getFormatName(new File(subpath)));
		} catch (Exception e) {
			e.printStackTrace();
		}
    }
}