公历（阳历）和农历（阴历）相互转换，公历转农历代码是从网上当的，我做了农历转公历的代码并写了示例程序。其实网上也有很多有关公历转农历的控件，但作为一个程序员就是不太习惯于使用别人的控件，因为那样将不便调试和差错。-Gregorian calendar (Gregorian calendar) and the Lunar New Year (lunar calendar) each conversion to the Lunar calendar is the code from the Internet when I switch to make the lunar calendar of the code and wrote a sample program. In fact, there are many Internet-related to the Lunar calendar control, but as a programmer it is not accustomed to using other people