阳历与农历转换程序，也就是公历与阴历的相互转换，部分代码是从网上找到的，重新修正了一大部分代码，大家也可以把它当作控件来使用-Gregorian and lunar calendar conversion program, that is the Gregorian calendar and the lunar calendar conversion, part of the code is found from the Internet, a large proportion of re-amended the code, you can also use it as a control