ios 字符串逆转
2018-10-11 本文已影响3人
赵哥窟
- (NSString *)stringByReversed:(NSString *)str
{
NSMutableString *mutableSgtr = [[NSMutableString alloc]init];
for (NSInteger i = str.length; i>0; i--) {
[mutableSgtr appendString:[str substringWithRange:NSMakeRange(i-1, 1)]];
}
return mutableSgtr;
}
