iOS 获取手机 唯一标识

存贮在keychainQuery 可以统计用户使用情况

-(void)gatherMessage{

    //采集用户设备信息

    NSUserDefaults *userDefaults=[NSUserDefaults standardUserDefaults];

    NSDate *loadDate=[NSDate date];

    NSDate *lastData=[userDefaults valueForKey:@"loadForDay"];

    NSDateFormatter *dateFormatter=[[NSDateFormatter alloc]init];

    [dateFormatter setDateFormat:@"YYYY/MM/dd"];

    NSString *lastd=[dateFormatter stringFromDate:lastData];

    NSString *nowd=[dateFormatter stringFromDate:loadDate];

    if (![lastd isEqualToString:nowd]) {

        [userDefaults setObject:loadDate forKey:@"loadForDay"];

        //获取设备型号

        NSString *deviceModel=[CommenData getCurrentDeviceModel];

    

        //identifierForVendor 作为唯一标识

        NSString *identifierStr = [[[UIDevice currentDevice] identifierForVendor] UUIDString];

        NSString * const KEY_USERNAME_PASSWORD = @"com.int-yt.kyks.usernamepassword";

        NSString * const KEY_PASSWORD = @"com.int-yt.kyks.password";

        NSMutableDictionary *usernamepasswordKVPairs = [NSMutableDictionary dictionary];

        [usernamepasswordKVPairs setObject:identifierStr forKey:KEY_PASSWORD];

    

        NSMutableDictionary *readUserPwd = (NSMutableDictionary *)[CommenData load:KEY_USERNAME_PASSWORD];

        if(readUserPwd==nil){

            //存

            [CommenData save:KEY_USERNAME_PASSWORD data:usernamepasswordKVPairs];

            readUserPwd = (NSMutableDictionary *)[CommenData load:KEY_USERNAME_PASSWORD];

          

        }

        //调用接口纪录登陆信息

        

        NSString *string= [NSString stringWithFormat:@"%@cdpt/api/uselog?access_token=123&imeiid=%@&mtype=%@&device_platform=2",BaseURLString, [readUserPwd objectForKey:KEY_PASSWORD],deviceModel];

        

        NSURL *url = [NSURL URLWithString:string];

        NSURLRequest *request = [NSURLRequest requestWithURL:url];

        NSLog(@"%@",string);

        AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];

        operation.responseSerializer = [AFJSONResponseSerializer serializer];

        [operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {



        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {



        }];

        [operation start];

    }

}

//存

+ (void)save:(NSString *)service data:(id)data {

    //Get search dictionary

    NSMutableDictionary *keychainQuery = [self getKeychainQuery:service];

    //Delete old item before add new item

    SecItemDelete((__bridge CFDictionaryRef)keychainQuery);

    //Add new object to search dictionary(Attention:the data format)

    [keychainQuery setObject:[NSKeyedArchiver archivedDataWithRootObject:data] forKey:(__bridge id)kSecValueData];

    //Add item to keychain with the search dictionary

    SecItemAdd((__bridge CFDictionaryRef)keychainQuery, NULL);

}



+ (NSMutableDictionary *)getKeychainQuery:(NSString *)service {

    return [NSMutableDictionary dictionaryWithObjectsAndKeys:

            (__bridge id)kSecClassGenericPassword,(__bridge id)kSecClass,

            service, (__bridge id)kSecAttrService,

            service, (__bridge id)kSecAttrAccount,

            (__bridge id)kSecAttrAccessibleAfterFirstUnlock,(__bridge id)kSecAttrAccessible,

            nil];

}



//取

+ (id)load:(NSString *)service {

    id ret = nil;

    NSMutableDictionary *keychainQuery = [self getKeychainQuery:service];

    //Configure the search setting

    //Since in our simple case we are expecting only a single attribute to be returned (the password) we can set the attribute kSecReturnData to kCFBooleanTrue

    [keychainQuery setObject:(__bridge id)kCFBooleanTrue forKey:(__bridge id)kSecReturnData];

    [keychainQuery setObject:(__bridge id)kSecMatchLimitOne forKey:(__bridge id)kSecMatchLimit];

    CFDataRef keyData = NULL;

    if (SecItemCopyMatching((__bridge CFDictionaryRef)keychainQuery, (CFTypeRef *)&keyData) == noErr) {

        @try {

            ret = [NSKeyedUnarchiver unarchiveObjectWithData:(__bridge NSData *)keyData];

        } @catch (NSException *e) {

            NSLog(@"Unarchive of %@ failed: %@", service, e);

        } @finally {

        }

    }

    if (keyData)

        CFRelease(keyData);

    return ret;

}





+ (void)delete:(NSString *)service {

    NSMutableDictionary *keychainQuery = [self getKeychainQuery:service];

    SecItemDelete((__bridge CFDictionaryRef)keychainQuery);

}



//获得设备型号

+ (NSString *)getCurrentDeviceModel

{

    int mib[2];

    size_t len;

    char *machine;

    mib[0] = CTL_HW;

    mib[1] = HW_MACHINE;

    sysctl(mib, 2, NULL, &len, NULL, 0);

    machine = malloc(len);

    sysctl(mib, 2, machine, &len, NULL, 0);

    NSString *platform = [NSString stringWithCString:machine encoding:NSUTF8StringEncoding];

    free(machine);

    return platform;

}