java执行命令行的有关问题

StringBuilder result = new StringBuilder("");            result.append("cmd /c ");            result.append(" mysqldump ");            result.append(" -h192.168.1.241 ");            result.append(" -ukgoumovie ");            result.append(" -p1qaz2wsx");            result.append(" --default-character-set=gb2312 ");            result.append(" kgoumoviedb ");            result.append(" tzl_medias ");            result.append(" > ");            result.append(" e:/tzl_medias.sql");            Process p = Runtime.getRuntime().exec(result.toString());            p.waitFor();