(lldb) po [dicData objectForKey:@"tj"]
<object returned empty description>
(lldb) po @""
<object returned empty description>
(lldb) po nil
<nil>
(lldb) po dicTJ.count
error: Execution was interrupted, reason: Attempted to dereference an invalid ObjC Object or send it an unrecognized selector.
The process has been returned to the state before expression evaluation.
(lldb) po 1
1
(lldb) po @"abc"
abc
时间: 2024-12-29 11:50:45