简单判断是否是图片文件

主要用了JAVA里面的ImageIO类：

/**

* 判断文件是否为图片文件

*

* @param srcFileName

* @return

*/

private boolean isImage(String srcFileName) {

boolean flag = false;

FileInputStream imgFile = null;

try {

imgFile = new FileInputStream(srcFileName);

BufferedImage bufreader = ImageIO.read(imgFile);

int width = bufreader.getWidth();i

nt height = bufreader.getHeight();

if (width == 0 || height == 0) {

flag = false;

} else {

flag = true;

}

imgFile.close();

} catch (Exception e) {

flag = false;

}

return flag;

}