字符串倒序输出
2016-09-17 本文已影响44人
Coder大雄
NSString *string = @"qwer";
NSMutableString *newString = [[NSMutableString alloc] initWithCapacity:string.length];
for (int i = (int)string.length - 1; i >=0 ; i --) {
unichar ch = [string characterAtIndex:i];
[newString appendFormat:@"%c", ch];
}
NSLog(@"%@", newString);
