http://nshint.io/blog/2015/07/16/uicollectionviews-now-have-easy-reordering/

 

 

---

 

NSMutableString *str = [self mutableCopy];

CFStringTransform((CFMutableStringRef)str,NULL, kCFStringTransformMandarinLatin,NO);

//再转换为不带声调的拼音

CFStringTransform((CFMutableStringRef)str,NULL, kCFStringTransformStripDiacritics,NO);

return str;

 

---

 

NSString *hanziText = @"我是中国人";

if ([hanziText length]) {

NSMutableString *ms = [[NSMutableString alloc] initWithString:hanziText];

if (CFStringTransform((__bridge CFMutableStringRef)ms, 0, kCFStringTransformMandarinLatin, NO)) {

NSLog(@"pinyin: %@", ms);

}

if (CFStringTransform((__bridge CFMutableStringRef)ms, 0, kCFStringTransformStripDiacritics, NO)) {

NSLog(@"pinyin: %@", ms);

}

}