[{current_function,{M,F,Arity}}] = process_info(self(),[current_function]),
[{current_location,{M,F,Arity, [{file,FILE},{line,Line}]}}] = process_info(self(),[current_location]).
?FILE 也可获取当前文件名
?LINE 获取当前行号
[{current_function,{M,F,Arity}}] = process_info(self(),[current_function]),
[{current_location,{M,F,Arity, [{file,FILE},{line,Line}]}}] = process_info(self(),[current_location]).
?FILE 也可获取当前文件名
?LINE 获取当前行号