二维条码解码器，生成二维条码、获取二维条码内容-Two-dimensional bar code decoder, to generate two-dimensional bar code, access to the contents of two-dimensional barcode

二维码，ZXing是一个开放源码的，用Java实现的多种格式的1D/2D条码图像处理库，它包含了联系到其他语言的端口。(QR code ZXing Decoder Online Decode a 1D or 2D barcode from an image on the web. Supported formats include: UPC-A and UPC-E EAN-8 and EAN-13 Code)