开发了一个基于组态后台的OPC客户端驱动，考虑到驱动的特殊性，所以只开发了同步接口操作。现把核心代码公开出来，有点VC基础的人可以直接拿来用。-The development of a configuration backend OPC client based on the drive, considering the particularity of the drive, so only the development of synchronous interface. We put the