基于PHP的车辆租赁管理系统的设计与实现

XXIV参考文献[1]张孝祥、徐明华,JAVA基础与案例开发详解[M],清华大学出版社,2009.[2]康牧，JSP动态网站开发实用教程[M]，清华大学出版社，2009.[3]刘亚宾，精通Eclipse--JAVA技术大系[M]，电子工业出版社，2005.[4]王玉英.基于JSP的MySQL数据库访问技术[J].现代计算机：专业版,2010,19(14):63-66[5]赵钢.JSPServlet+EJB的Web模式应用研究[J].电子设计工程,2013,21(13):47-49[6]肖英.解决JSP/Servlet开发中的中文乱码问题[J].科技传播,2011,(1)11-25[7]HsiaoIH,SosnovskyS,BrusilovskyP.Guidingstudentstotherightquestions:adaptivenavigationsupportinane-learningsystemforJavaprogramming[J].JournalofComputerAssistedLearning,2010,26(4):270-283.[8]VeghA.MySQLDatabaseServer[M].WebDevelopmentwiththeMac®.WileyPublishing,Inc.,2011,179-194[9]RasoolzadeganA,BarforoushAA.Reliableyetflexiblesoftwarethroughformalmodeltransformation(ruledefinition)[J].Knowledge&InformationSystems,2014,40(1):79-126[10]WürthingerT,WimmerC,StadlerL.DynamiccodeevolutionforJava.[J].ProceedingsofInternationalConferenceonthePrinciples&PracticeofProgramminginJavaPppj’,2010,78(5):10—19[11]黄艳峰.在Java语言中实施“案例教学”的研究与探索[J].电脑知识与技术,2010,6(5):1148-1149[12]赵钢.JSPServlet+EJB的Web模式应用研究[J].电子设计工程,2013,21(13):47-49附录1.用户注册代码为：/** *注册 */ @IgnoreAuth @PostMapping(value="/register") publicRregister(@RequestBodyUserEntityuser){// ValidatorUtils.validateEntity(user); if(userService.selectOne(newEntityWrapper<UserEntity>().eq("username",user.getUsername()))!=null){ returnR.error("用户已存在"); }userService.insert(user);returnR.ok();}2.算法加解密代码如下所示。/***公钥生成*/publicstaticPublicKeygetPublicKey(Stringkey){X509EncodedKeySpecx509EncodedKeySpec=newX509EncodedKeySpec(Base64.decodeBase64(key));try{KeyFactoryfactory=KeyFactory.getInstance("RSA");PublicKeypublicKey=factory.generatePublic(x509EncodedKeySpec);returnpublicKey;}catch(NoSuchAlgorithmException|InvalidKeySpecExceptione){e.printStackTrace();}returnnull;}/***私钥生成*/publicstaticPrivateKeygetPrivateKey(Stringkey){PKCS8EncodedKeySpecpkcs8EncodedKeySpec=newPKCS8EncodedKeySpec(Base64.decodeBase64(key));try{KeyFactoryfactory=KeyFactory.getInstance("RSA");PrivateKeyprivateKey=factory.generatePrivate(pkcs8EncodedKeySpec);returnprivateKey;}catch(NoSuchAlgorithmException|InvalidKeySpecExceptione){e.printStackTrace();}returnnull;}/***利用公钥加密信息*/publicstaticStringencode(PublicKeykey,Stringmessage)throwsException{Ciphercipher=Cipher.getInstance("RSA");cipher.init(Cipher.ENCRYPT_MODE,key);returnBase64.encodeBase64String(cipher.doFinal(message.getBytes("UTF-8")));}/***利用私钥解密信息*/publicstaticStringdecode(PrivateKeykey,Stringmessage)throwsException{Ciphercipher=Cipher.getInstance("RSA");cipher.init(Cipher.DECRYPT_MODE,key);returnnewString(cipher.doFinal(Base64.decodeBase64(message.getBytes("UTF-8"))));} 3.异常信息枚举类代码如下，publicenumExceptionCodeEnum{//请求参数异常3000-3999REQUEST_PARAMETER_EMPTY(3001,"请求参数为空！"),REQUEST_PARAMETER_INVALID(3002,"请求参数无效！"),REQUEST_PARAMETER_ILLEGAL(3003,"请求参数不合法！"),//后面可以追加其他请求参数异常//用户异常4000-4999USER_DOES_NOT_EXIST(4001,"用户不存在！"),USER_ID_EMPTY(4002,"用户id为空！"),USER_DOES_NOT_PERMISSION(4003,"用户无权限！"),//后面可以追加其他用户异常//服务器异常5000-5999SERVICE_RESPONSE_TIMEOUT(5001,"服务响应超时！"),DATABASE_OPERATION_FAILED(5002,"数据库操作失败！");//后面可以追加其他服务器异常privateIntegercode;privateStringmessage;ExceptionCodeEnum(Integercode,Stringmessage){this.code=code;this.message=message;}publicIntegergetCode(){returncode;}publicStringgetMessage(){returnmessage;}}每种异常发生时会经过全局异常拦截器GlobalExceptionHandler进行拦截，然后进行特殊处理，GlobalExceptionHandler代码如下，@Slf4j@RestControllerAdvicepublicclassGlobalExceptionHandler{@AutowiredprivateHttpServletRequestrequest;//拦截请求异常@ExceptionHandler(value=RequestException.class)publicResponseUtilhandleRequestException(RequestExceptione){Stringuri=request.getRequestURI();//记录日志log.error("请求异常！请求地址为：{}，错误信息为：{}",uri,e.getMessage());//特殊处理逻辑requestHanlder();returnResponseUtil.errorResult(e.getCode(),e.getMessage());}//拦截用户异常@ExceptionHandler(value=UserException.class)publicResponseUtilhandleRequestException(UserExceptione){Stringuri=request.getRequestURI();//记录日志log.error("用户异常！请求地址为：{}，错误信息为：{}",uri,e.getMessage());//特殊处理逻辑userHanlder();returnResponseUtil.errorResult(e.getCode(),e.getMessage());}//拦截系统异常@ExceptionHandler(value=SystemException.class)publicResponseUtilhandleRequestException(SystemExceptione){Stringuri=request.getRequestURI();//记录日志log.error("系统异常！请求地址为：{}，错误信息为：{}",uri,e.getMessage());//特殊处理逻辑systemHanlder();returnResponseUtil.errorResult(e.getCode(),e.getMessage());}//后面可以加其他异常的特殊处理逻辑}4.用户登录代码为： /** *登录 */ @IgnoreAuth @PostMapping(value="/login") publicRlogin(Stringusername,Stringpassword,Stringcaptcha,HttpServletRequestrequest){ UserEntityuser=userService.selectOne(newEntityWrapper<UserEntity>().eq("username",username)); if(user==null||!user.getPassword().equals(password)){ returnR.error("账号或密码不正确"); } Stringtoken=tokenService.generateToken(user.getId(),username,"users",user.getRole()); returnR.ok().put("token",token); }5.密码修改代码为：/***密码重置*/@IgnoreAuth @RequestMapping(value="/resetPass")publicRresetPass(Stringusername,HttpServletRequestrequest){ UserEntityuser=userService.selectOne(newEntityWrapper<UserEntity>().eq("username",username)); if(user==null){ returnR.error("账号不存在"); } user.setPassword("123456");userService.update(user,null);returnR.ok("密码已重置为：123456");}6.用户管理代码为：/***保存*/@PostMapping("/save")publicRsave(@RequestBodyUserEntityuser){// ValidatorUtils.validateEntity(user); if(userService.selectOne(newEntityWrapper<UserEntity>().eq("username",user.getUsername()))!=null){ returnR.error("用户已存在"); }userService.insert(user);returnR.ok();}/***修改*/@RequestMapping("/update")publicRupdate(@RequestBodyUserEntityuser){//ValidatorUtils.validateEntity(user); UserEntityu=userService.selectOne(newEntityWrapper<UserEntity>().eq("username",user.getUsername())); if(u!=null&&u.getId()!=user.getId()&&u.getUsername().equals(user.getUsername())){ returnR.error("用户名已存在。"); }userService.updateById(user);//全部更新returnR.ok();}/***删除*/@RequestMapping("/delete")publicRdelete(@RequestBodyLong[]ids){userService.deleteBatchIds(Arrays.asList(ids));returnR.ok();}7.车辆管理代码为： /***查询*/@RequestMapping("/query")publicRquery(QicheleixingEntityqicheleixing){EntityWrapper<QicheleixingEntity>ew=newEntityWrapper<QicheleixingEntity>(); ew.allEq(MPUtil.allEQMapPre(qicheleixing,"qicheleixing")); QicheleixingViewqicheleixingView=qicheleixingService.selectView(ew); returnR.ok("查询汽车类型成功").put("d