-(
NSString
*)toLower:(
NSString
*)str{
for
(
NSInteger
i=0; i<str.length; i++) {
if
([str characterAtIndex:i]>=
'A'
&[str characterAtIndex:i]<=
'Z'
) {
//A 65 a 97
char
temp=[str characterAtIndex:i]+32;
NSRange
range=
NSMakeRange
(i, 1);
str=[str stringByReplacingCharactersInRange:range withString:[
NSString
stringWithFormat:@
"%c"
,temp]];
}
}
return
str;
}
-(
NSString
*)toUpper:(
NSString
*)str{
for
(
NSInteger
i=0; i<str.length; i++) {
if
([str characterAtIndex:i]>=
'a'
&[str characterAtIndex:i]<=
'z'
) {
//A 65 a 97
char
temp=[str characterAtIndex:i]-32;
NSRange
range=
NSMakeRange
(i, 1);
str=[str stringByReplacingCharactersInRange:range withString:[
NSString
stringWithFormat:@
"%c"
,temp]];
}
}
return
str;
}
|
iOS 字符串大小写转换
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转载自blog.csdn.net/u010960265/article/details/80192449
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