//汉字转拼音
+ (NSString *)transform:(NSString *)chinese
{
NSMutableString *pinyin = [chinese mutableCopy];
CFStringTransform((__bridge CFMutableStringRef)pinyin, NULL, kCFStringTransformMandarinLatin, NO);
CFStringTransform((__bridge CFMutableStringRef)pinyin, NULL, kCFStringTransformStripCombiningMarks, NO);
NSString *pinyinStr = [pinyin stringByReplacingOccurrencesOfString:@" " withString:@""];
return pinyinStr;
}
