delphi 路径函数

delphi  path  function
IncludeTrailingPathDelimiter
IncludeTrailingPathDelimiter ensures that a path name ends with a trailing path delimiter (PathDelim, '\' on Windows, '/' otherwise). If S already ends with a trailing delimiter character, it is returned unchanged; otherwise, S with an appended delimiter character is returned. 
确保路径有个结束符号斜杠