ZXingQRCOde二维码控件，在delphi XE以上版本可以使用。这是一个Demo实例。

Debenu-DelphiZXingQRCode 生成二维码delphi源码，直接引用\source\DelphiZXIngQRCode.pas就可以了，详细参考当中的例子。

// ZXing QRCode port to Delphi, by Debenu Pty Ltd // www.debenu.com // Original copyright notice (* * Copyright 2008 ZXing authors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *)

Delphi7 ZXingQRCode库生成二维码，附带FastReport_4二维码文件，源代码来自网络，分享。

delphi xe 跨平台二维码生成接口 DelphiZXIngQRCode.pas DelphiZXIngQRCode.pas