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本系统适合选题:信息技术、知识赛、知识、前后端分离等。系统采用springboot+vue整合开发,前端框架主要使用了element-ui框架、数据层采用mybatis,功能齐全,界面美观。
后端:springboot,mybatis
前端:element-ui、js、css等
开发工具:idea/vscode
数据库:mysql 5.7
JDK版本:jdk1.8
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- /**
- * 后端列表
- */
- @RequestMapping("/page")
- @IgnoreAuth
- public R page(@RequestParam Map<String, Object> params, HttpServletRequest request){
- logger.debug("page方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));
- if(params.get("orderBy")==null || params.get("orderBy")==""){
- params.put("orderBy","id");
- }
- PageUtils page = dictionaryService.queryPage(params);
-
- //字典表数据转换
- List<DictionaryView> list =(List<DictionaryView>)page.getList();
- for(DictionaryView c:list){
- //修改对应字典表字段
- dictionaryService.dictionaryConvert(c, request);
- }
- return R.ok().put("data", page);
- }
-
- /**
- * 后端详情
- */
- @RequestMapping("/info/{id}")
- public R info(@PathVariable("id") Long id, HttpServletRequest request){
- logger.debug("info方法:,,Controller:{},,id:{}",this.getClass().getName(),id);
- DictionaryEntity dictionary = dictionaryService.selectById(id);
- if(dictionary !=null){
- //entity转view
- DictionaryView view = new DictionaryView();
- BeanUtils.copyProperties( dictionary , view );//把实体数据重构到view中
-
- //修改对应字典表字段
- dictionaryService.dictionaryConvert(view, request);
- return R.ok().put("data", view);
- }else {
- return R.error(511,"查不到数据");
- }
-
- }
-
- /**
- * 后端保存
- */
- @RequestMapping("/save")
- public R save(@RequestBody DictionaryEntity dictionary, HttpServletRequest request){
- logger.debug("save方法:,,Controller:{},,dictionary:{}",this.getClass().getName(),dictionary.toString());
-
- String role = String.valueOf(request.getSession().getAttribute("role"));
- if(false)
- return R.error(511,"永远不会进入");
-
- Wrapper<DictionaryEntity> queryWrapper = new EntityWrapper<DictionaryEntity>()
- .eq("dic_code", dictionary.getDicCode())
- .eq("index_name", dictionary.getIndexName())
- ;
- if(dictionary.getDicCode().contains("_erji_types")){
- queryWrapper.eq("super_id",dictionary.getSuperId());
- }
-
- logger.info("sql语句:"+queryWrapper.getSqlSegment());
- DictionaryEntity dictionaryEntity = dictionaryService.selectOne(queryWrapper);
- if(dictionaryEntity==null){
- dictionary.setCreateTime(new Date());
- dictionaryService.insert(dictionary);
- //字典表新增数据,把数据再重新查出,放入监听器中
- List<DictionaryEntity> dictionaryEntities = dictionaryService.selectList(new EntityWrapper<DictionaryEntity>());
- ServletContext servletContext = request.getServletContext();
- Map<String, Map<Integer,String>> map = new HashMap<>();
- for(DictionaryEntity d :dictionaryEntities){
- Map<Integer, String> m = map.get(d.getDicCode());
- if(m ==null || m.isEmpty()){
- m = new HashMap<>();
- }
- m.put(d.getCodeIndex(),d.getIndexName());
- map.put(d.getDicCode(),m);
- }
- servletContext.setAttribute("dictionaryMap",map);
- return R.ok();
- }else {
- return R.error(511,"表中有相同数据");
- }
- }
-
- /**
- * 后端修改
- */
- @RequestMapping("/update")
- public R update(@RequestBody DictionaryEntity dictionary, HttpServletRequest request){
- logger.debug("update方法:,,Controller:{},,dictionary:{}",this.getClass().getName(),dictionary.toString());
-
- String role = String.valueOf(request.getSession().getAttribute("role"));
- // if(false)
- // return R.error(511,"永远不会进入");
- //根据字段查询是否有相同数据
- Wrapper<DictionaryEntity> queryWrapper = new EntityWrapper<DictionaryEntity>()
- .notIn("id",dictionary.getId())
- .eq("dic_code", dictionary.getDicCode())
- .eq("index_name", dictionary.getIndexName())
- ;
-
- if(dictionary.getDicCode().contains("_erji_types")){
- queryWrapper.eq("super_id",dictionary.getSuperId());
- }
- logger.info("sql语句:"+queryWrapper.getSqlSegment());
- DictionaryEntity dictionaryEntity = dictionaryService.selectOne(queryWrapper);
- if(dictionaryEntity==null){
- dictionaryService.updateById(dictionary);//根据id更新
- //如果字典表修改数据的话,把数据再重新查出,放入监听器中
- List<DictionaryEntity> dictionaryEntities = dictionaryService.selectList(new EntityWrapper<DictionaryEntity>());
- ServletContext servletContext = request.getServletContext();
- Map<String, Map<Integer,String>> map = new HashMap<>();
- for(DictionaryEntity d :dictionaryEntities){
- Map<Integer, String> m = map.get(d.getDicCode());
- if(m ==null || m.isEmpty()){
- m = new HashMap<>();
- }
- m.put(d.getCodeIndex(),d.getIndexName());
- map.put(d.getDicCode(),m);
- }
- servletContext.setAttribute("dictionaryMap",map);
- return R.ok();
- }else {
- return R.error(511,"表中有相同数据");
- }
- }
以上就是部分功能展示,从整体上来看,本系统功能是十分完整的,界面设计简洁大方,交互友好,数据库设计也很合理,规模适中,代码工整,清晰,适合学习使用。
好了,今天就到这儿吧,小伙伴们点赞、收藏、评论,一键三连走起呀,下期见~~