[objc] JSON 문자열, 파싱

    NSString *str = @"{\"flg\":\"1\"}";

    NSData *data = [str dataUsingEncoding:NSUTF8StringEncoding];

    NSError *err = nil;

    id result = [NSJSONSerialization JSONObjectWithData:data options:0 error:&err];

    NSDictionary *dic = result;

    NSString *p1 = [dic objectForKey:@"flg"];

    NSLog(@"%@", p1);