+ (NSString *)getAppDocumentDir
{
    return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,
                                                NSUserDomainMask,
                                                YES) objectAtIndex:0];
    
}

+ (void)saveListenDataWithFileName:(NSString *)fileName
                           AndData:(NSData *)data
                    AndFinishBlock:(void(^)(NSString *path,bool success))block;{
     NSString *path = [NSString stringWithFormat:@"kapEpUser%@ListenData%@sound.%@",[KapUserAccountStore loadActiveUserID],fileName,KapRecordFileUtil.MusicType];
    NSString *finallyPath = [self theAppDocuPathWithPath:path];
    //    bool bo = [data writeToFile:path atomically:YES];
    NSError *error = nil;
    BOOL bo =  [data writeToFile:finallyPath options:NSDataWritingAtomic error:&error];
    NSLog(@"%@,error=%@",error?@"写入失败":@"写入成功",error);
    if (block) {
        block(path,bo);
    }
}
+ (NSString *)theAppDocuPathWithPath:(NSString *)path{
    NSString *documentpathString = [KapAppUtil getAppDocumentDir];
    return [NSString stringWithFormat:@"%@/%@",documentpathString,path];
}

存的时候不要将documentpathString 也拼入path, documentpathString是会变得～～～｀