二维码QRCode的Delphi单元文件，注释已经翻译成中文，相关QRCODE二维码标准文件可参考WWW.ERPX.NET上的说明。-Delphi unit file QRCode two-dimensional code, notes has been translated into Chinese, relevant QRCODE code standard file can refer to the instructions on the WWW.ERPX.NET.