用于实现虚拟打印的功能。其中包含ZiPrinter.cpp和ZiPrinter.h两个Source文件。-for Virtual Print function. Which includes two ZiPrinter.cpp and ZiPrinter.h Source document.

msglog.h提供了跨平台的写打印信息的接口函数，调用该函数可以很方便的在windows或者linux直接使用，非常方便。-Msglog. H provides a cross-platform print information interface function, call the function can easily in Windows or Linux used directly, very convenient