-pathForResource:ofType:不接受格式字符串.将 @％@" 替换为包含文件基本名称(即，文件名减去.txt扩展名)的字符串.

-pathForResource:ofType: doesn't accept a format string; replace the @"%@" with a string containing the base name of the file (i.e. the filename minus the .txt extention).

第二行和第三行也有不匹配的地方:您可能是说:

You've also got a mismatch on the second and third lines: you probably meant:

textView.text = textFile;