javax.imageio.IIOException: Not a JPEG file: starts with 0x47 0x49
java处理图片时出现异常javax.imageio.IIOException: Not a JPEG file: starts with 0x47 0x49at com.sun.imageio.plugins.jpeg.JPEGImageReader.readImageHeader(Native Method)at com.sun.imageio.plugins.jpeg.JPEGI
