Some common specifications for writing code

1. Replace the #import of the. h file with the #import of the. h file @class and. m files

2. Multi-use literal nsnumber *number [email protected]; replace nsnumber *number = [NSNumber numberwithint:1];

3. Multi-use type constants, less macro definitions

static nssthring Const ANIMALTIME = 0.3;

extern nsstring *const eocstringconstant [email protected] "value";

4. Multi-Use enumeration indicates status, options.

5. Use instance variables inside the object as much as possible

Some common specifications for writing code