qrcode/src/main/java/com/xiongyingqi/qrcode/QRCode.java
public String decode(String path) throws IOException, NotFoundException {
        if (path == null || path.equals("")) {
            System.out.println("文件路径不能为空!");
        }
        File file = new File(path);
        BufferedImage image = ImageIO.read(file);
            /*判断是否是图片*/
        if (image != null) {
            return decode(image);
        }
        return null;
    }
public String decode(String path) throws IOException, NotFoundException {
        if (path == null || path.equals("")) {
            System.out.println("文件路径不能为空!");
        }
        File file = new File(path);
        BufferedImage image = ImageIO.read(file);
            /*判断是否是图片*/
        if (image != null) {
            return decode(image);
        }
        return null;
    }
public String decode ( String path ) throws IOException , NotFoundException { if ( path == null || path . equals ( "" ) ) { System . out . println ( "文件路径不能为空!"); } File file = new File ( path ) ; BufferedImage image = ImageIO . read ( file ) ; /*判断是否是图片*/ if ( image != null ) { return decode ( image ) ; } return null ; }
解析二维码

@param path 图片的绝对路径
解析二维码