iOS 汉字的拼音

#import <Foundation/Foundation.h>

@interface NSString (Utils)

/**
 *  汉字的拼音
 *
 *  @return 拼音
 */
- (NSString *)pinyin;


@end


#import "NSString+Utils.h"

@implementation NSString (Utils)

//汉字的拼音
- (NSString *)pinyin{
    
    NSMutableString *str = [self mutableCopy];
    CFStringTransform(( CFMutableStringRef)str, NULL, kCFStringTransformMandarinLatin, NO);
    CFStringTransform((CFMutableStringRef)str, NULL, kCFStringTransformStripDiacritics, NO);
    
    return [str stringByReplacingOccurrencesOfString:@" " withString:@""];
}

@end