摘要： //获取当前时间02 NSDate *now = [NSDate date];03 NSLog(@”now date is: %@”, now);0405 NSCalendar *calendar = [NSCalendar currentCalendar];06 NSUInteger unitFl... 阅读全文

摘要： NSString*str =@"aaaa\ aaaa\ bbbb\ aaaa"; NSString*str1 =@"bbbb" "cccc" "dddd"; NSString*str2 =@"eeeee"\ @"ffff"\ @"ggggg"; NSString*str3 =@"iiii... 阅读全文