:
比较:
NSString* lastVersion = [[self updateService] lastAppVersion];
if([kVersion compare:lastVersion] != NSOrderedDescending){
return YES ;
}
return NO ;
现在比较的这一行总是有警告:Incompatible pointer types sending "NSString " to parameter of type "NSNumber "
NSString* lastVersion = [NSString stringWithFormat:@"%@", [[self updateService] lastAppVersion]];