private static final byte[] DES_KEY = { 21, 1, -110, 82, -32, -85, -128, -65 };@SuppressWarnings("restriction")//加密算法public static String encryptBasedDes(String data) {String encryptedData = null;try {// DES算法要求有一个可信任的随机数源SecureRandom sr = new SecureRandom();DESKeySpec deskey = new DESKeySpec(DES_KEY);// 创建一个密匙工厂，然后用它把DESKeySpec转换成一个SecretKey对象SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");SecretKey key = keyFactory.generateSecret(deskey);// 加密对象Cipher cipher = Cipher.getInstance("DES");cipher.init(Cipher.ENCRYPT_MODE, key, sr);// 加密，并把字节数组编码成字符串encryptedData = new sun.misc.BASE64Encoder().encode(cipher.doFinal(data.getBytes()));} catch (Exception e) {// log.error("加密错误，错误信息：", e);throw new RuntimeException("加密错误，错误信息：", e);}return encryptedData;}//解密算法@SuppressWarnings("restriction")public static String decryptBasedDes(String cryptData) {String decryptedData = null;try {// DES算法要求有一个可信任的随机数源SecureRandom sr = new SecureRandom();DESKeySpec deskey = new DESKeySpec(DES_KEY);// 创建一个密匙工厂，然后用它把DESKeySpec转换成一个SecretKey对象SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");SecretKey key = keyFactory.generateSecret(deskey);// 解密对象Cipher cipher = Cipher.getInstance("DES");cipher.init(Cipher.DECRYPT_MODE, key, sr);// 把字符串进行解码，解码为为字节数组，并解密decryptedData = new String(cipher.doFinal(new sun.misc.BASE64Decoder().decodeBuffer(cryptData)));} catch (Exception e) {throw new RuntimeException("解密错误，错误信息：", e);}return decryptedData;}

//注册功能@RequestMapping(value = "/register")public ModelAndView register(Management management) {ModelAndView mv = new ModelAndView();Management management1 =managementRepository.findByManagementPhone(management.getManagementPhone());List<Management> management2 = managementRepository.findAll();int lastpage=management2.size()/8;if (management1==null){management.setManagementPass(encryptBasedDes(management.getManagementPass()));managementRepository.save(management);}else {management.setManagementID(management1.getManagementID());management.setManagementPass(encryptBasedDes(management.getManagementPass()));managementRepository.save(management);}return new ModelAndView("redirect:/management/show?page="+lastpage);}

//登录
@RequestMapping(value = "/loginManagement")public ModelAndView login(Management management, HttpSession sessoin) {ModelAndView mv = new ModelAndView();//判断所输入账号密码是否匹配//如果匹配成功management.setManagementPass(encryptBasedDes(management.getManagementPass()));if (managementService.verifyManagement(management)) {//通过名字和密码找到该Management，并存进sessionManagement management1=managementRepository.findByManagementPhoneAndAndManagementPass(management.getManagementPhone(), management.getManagementPass()).get(0);sessoin.setAttribute("management", management1);//测试从session获取该Management判定权限Management test=(Management)sessoin.getAttribute("management");switch (management1.getManagementRole()){case  "1":mv.setViewName("");break;case "2":case "3":mv.setViewName("");break;}mv.setViewName("/success.btl");return mv;}//如果匹配不成功else {mv.setViewName("/login.btl");return mv;}