苹果自带拼音转换方法

 1 - (NSString *)getPinYinFrom:(NSString *)chinese
 2 { 3     CFMutableStringRef string = CFStringCreateMutableCopy(NULL, 0, (__bridge CFMutableStringRef)[NSMutableString stringWithString:chinese]); 4     CFStringTransform(string, NULL, kCFStringTransformMandarinLatin, NO); 5     CFStringTransform(string, NULL, kCFStringTransformStripDiacritics, NO); 6      7     NSMutableString *aNSString = (__bridge NSMutableString *)string; 8     NSString *finalString = [aNSString stringByReplacingOccurrencesOfString:[NSString stringWithFormat:@"%c", 32] withString:@""]; 9     10     NSLog(@"%@", finalString);11     return finalString;