Using spwanl function is an error, the system also is same, why?

CodePudding user response:

There is no source?

CodePudding user response:

In the string \ must write \ \ in order to prevent the escaped,

CodePudding user response:

Code the string part had Chinese symbols
See the error of is this meaning

CodePudding user response:

I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10581430.html
I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10768339.html