In addition what circumstances require a custom function, you have no case to share, trouble to help Chinese comments under the code, thank you very much!
CodePudding user response:
https://blog.csdn.net/yenange/article/details/79788877Such as: 'a, b, c' this string, hoping to break up, output in the form of table,
The old one is essentially not this kind of system function, it can't, only can write their own, this is a custom function,
As for the comments of what, has little to do, the key to solve the problem as well,