提示下面的错误,我知道这应该不是tp的问题,但是希望知道,如何修改mac的写入权限



Warning: mkdir() [function.mkdir]: Permission denied in /Volumes/work/web/www/Diy/php/Common/runtime.php on line 120

Warning: mkdir() [function.mkdir]: No such file or directory in /Volumes/work/web/www/Diy/php/Common/runtime.php on line 125

Warning: mkdir() [function.mkdir]: No such file or directory in /Volumes/work/web/www/Diy/php/Common/runtime.php on line 126

Warning: mkdir() [function.mkdir]: No such file or directory in /Volumes/work/web/www/Diy/php/Common/runtime.php on line 127

Warning: mkdir() [function.mkdir]: No such file or directory in /Volumes/work/web/www/Diy/php/Common/runtime.php on line 128

Fatal error: print_r() [<a href='ref.outcontrol'>ref.outcontrol</a>]: Cannot use output buffering in output buffering display handlers in /Volumes/work/web/www/Diy/php/Common/common.php on line 601