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采用技术：
编程语言：Java
后端框架：SpringBoot
APP端框架：uni-app
数据库：MySQL
数据表数量：21张表
运行软件：HBuilder X
系统功能：
本系统实现管理员、用户模块。
管理员模块功能：发展历程、新闻资讯、书籍类型、菜单、网站介绍、论坛交流、管理员、用户、书籍信息、借书合约、借书订单、还书订单、确认归还、积分商品、积分兑换等。
用户模块功能：我的发布、我的收藏、书籍信息、借书合约、借书订单、还书订单、确认归还、积分兑换、新闻资讯、积分商品等。
运行截图：
论文目录：
核心代码：
packagecom.controller;importjava.text.SimpleDateFormat;importcom.alibaba.fastjson.JSONObject;importjava.util.*;importorg.springframework.beans.BeanUtils;importjavax.servlet.http.HttpServletRequest;importorg.springframework.web.context.ContextLoader;importjavax.servlet.ServletContext;importcom.service.TokenService;importcom.utils.StringUtil;importjava.lang.reflect.InvocationTargetException;importcom.service.DictionaryService;importorg.apache.commons.lang3.StringUtils;importcom.annotation.IgnoreAuth;importorg.slf4j.Logger;importorg.slf4j.LoggerFactory;importorg.springframework.beans.factory.annotation.Autowired;importorg.springframework.stereotype.Controller;importorg.springframework.web.bind.annotation.*;importcom.baomidou.mybatisplus.mapper.EntityWrapper;importcom.baomidou.mybatisplus.mapper.Wrapper;importcom.entity.YonghuEntity;importcom.service.YonghuService;importcom.entity.view.YonghuView;importcom.utils.PageUtils;importcom.utils.R;@RestController@Controller@RequestMapping("/yonghu")publicclassYonghuController{privatestaticfinalLoggerlogger=LoggerFactory.getLogger(YonghuController.class);@AutowiredprivateYonghuServiceyonghuService;@AutowiredprivateTokenServicetokenService;@AutowiredprivateDictionaryServicedictionaryService;//级联表service/** * 后端列表 */@RequestMapping("/page")publicRpage(@RequestParamMap<String,Object>params,HttpServletRequestrequest){logger.debug("page方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));params.put("orderBy","id");PageUtilspage=yonghuService.queryPage(params);//字典表数据转换List<YonghuView>list=(List<YonghuView>)page.getList();for(YonghuViewc:list){//修改对应字典表字段dictionaryService.dictionaryConvert(c);}returnR.ok().put("data",page);}/** * 后端详情 */@RequestMapping("/info/{id}")publicRinfo(@PathVariable("id")Longid){logger.debug("info方法:,,Controller:{},,id:{}",this.getClass().getName(),id);YonghuEntityyonghu=yonghuService.selectById(id);if(yonghu!=null){//entity转viewYonghuViewview=newYonghuView();BeanUtils.copyProperties(yonghu,view);//把实体数据重构到view中//修改对应字典表字段dictionaryService.dictionaryConvert(view);returnR.ok().put("data",view);}else{returnR.error(511,"查不到数据");}}/** * 后端保存 */@RequestMapping("/save")publicRsave(@RequestBodyYonghuEntityyonghu,HttpServletRequestrequest){logger.debug("save方法:,,Controller:{},,yonghu:{}",this.getClass().getName(),yonghu.toString());Wrapper<YonghuEntity>queryWrapper=newEntityWrapper<YonghuEntity>().eq("username",yonghu.getUsername()).or().eq("yonghu_phone",yonghu.getYonghuPhone()).or().eq("yonghu_id_number",yonghu.getYonghuIdNumber());;logger.info("sql语句:"+queryWrapper.getSqlSegment());YonghuEntityyonghuEntity=yonghuService.selectOne(queryWrapper);if(yonghuEntity==null){yonghu.setCreateTime(newDate());yonghu.setPassword("123456");// String role = String.valueOf(request.getSession().getAttribute("role"));// if("".equals(role)){// yonghu.set// }yonghuService.insert(yonghu);returnR.ok();}else{returnR.error(511,"账户或者身份证号或者手机号已经被使用");}}/** * 后端修改 */@RequestMapping("/update")publicRupdate(@RequestBodyYonghuEntityyonghu,HttpServletRequestrequest){logger.debug("update方法:,,Controller:{},,yonghu:{}",this.getClass().getName(),yonghu.toString());//根据字段查询是否有相同数据Wrapper<YonghuEntity>queryWrapper=newEntityWrapper<YonghuEntity>().notIn("id",yonghu.getId()).andNew().eq("username",yonghu.getUsername()).or().eq("yonghu_phone",yonghu.getYonghuPhone()).or().eq("yonghu_id_number",yonghu.getYonghuIdNumber());;logger.info("sql语句:"+queryWrapper.getSqlSegment());YonghuEntityyonghuEntity=yonghuService.selectOne(queryWrapper);if("".equals(yonghu.getYonghuPhoto())||"null".equals(yonghu.getYonghuPhoto())){yonghu.setYonghuPhoto(null);}if(yonghuEntity==null){// String role = String.valueOf(request.getSession().getAttribute("role"));// if("".equals(role)){// yonghu.set// }yonghuService.updateById(yonghu);//根据id更新returnR.ok();}else{returnR.error(511,"账户或者身份证号或者手机号已经被使用");}}/** * 删除 */@RequestMapping("/delete")publicRdelete(@RequestBodyInteger[]ids){logger.debug("delete:,,Controller:{},,ids:{}",this.getClass().getName(),ids.toString());yonghuService.deleteBatchIds(Arrays.asList(ids));returnR.ok();}/** * 登录 */@IgnoreAuth@RequestMapping(value="/login")publicRlogin(Stringusername,Stringpassword,Stringcaptcha,HttpServletRequestrequest){YonghuEntityyonghu=yonghuService.selectOne(newEntityWrapper<YonghuEntity>().eq("username",username));if(yonghu==null||!yonghu.getPassword().equals(password)){returnR.error("账号或密码不正确");}Stringtoken=tokenService.generateToken(yonghu.getId(),username,"yonghu","用户");Rr=R.ok();r.put("token",token);r.put("role","用户");r.put("username",yonghu.getYonghuName());r.put("tableName","yonghu");r.put("userId",yonghu.getId());returnr;}/** * 注册 */@IgnoreAuth@PostMapping(value="/register")publicRregister(@RequestBodyYonghuEntityyonghu){// ValidatorUtils.validateEntity(user);if(yonghuService.selectOne(newEntityWrapper<YonghuEntity>().eq("username",yonghu.getUsername()).orNew().eq("yonghu_phone",yonghu.getYonghuPhone()).orNew().eq("yonghu_id_number",yonghu.getYonghuIdNumber()))!=null){returnR.error("账户已存在或手机号或身份证号已经被使用");}yonghuService.insert(yonghu);returnR.ok();}/** * 重置密码 */@GetMapping(value="/resetPassword")publicRresetPassword(Integerid){YonghuEntityyonghu=newYonghuEntity();yonghu.setPassword("123456");yonghu.setId(id);yonghuService.updateById(yonghu);returnR.ok();}/** * 获取用户的session用户信息 */@RequestMapping("/session")publicRgetCurrYonghu(HttpServletRequestrequest){Integerid=(Integer)request.getSession().getAttribute("userId");YonghuEntityyonghu=yonghuService.selectById(id);returnR.ok().put("data",yonghu);}/** * 退出 */@GetMapping(value="logout")publicRlogout(HttpServletRequestrequest){request.getSession().invalidate();returnR.ok("退出成功");}}t("data",yonghu);}/** * 退出 */@GetMapping(value="logout")publicRlogout(HttpServletRequestrequest){request.getSession().invalidate();returnR.ok("退出成功");}}Session().invalidate();returnR.ok("退出成功");}}t("data",yonghu);}/** * 退出 */@GetMapping(value="logout")publicRlogout(HttpServletRequestrequest){request.getSession().invalidate();returnR.ok("退出成功");}}
