获取中文字符串的拼音

//kCFStringTransformMandarinLatin     带声调的拼音
//kCFStringTransformStripDiacritics   纯拼音

- (NSString *)PinYinByString:(NSString *)Chinses {
NSMutableString *source = [Chinses mutableCopy];
CFStringTransform((CFMutableStringRef)source, NULL, kCFStringTransformMandarinLatin, NO);
CFStringTransform((CFMutableStringRef)source, NULL, kCFStringTransformStripDiacritics, NO);
return source;

}