微信小程序校园失物招领系统(SpringBoot 后端+Vue 管理端)

项目介绍

互联网技术已广泛应用于社会生活。针对高校信息管理中存在的混乱、出错率高及安全性差等问题，本系统旨在通过信息化手段实现科学规范的管理。 系统基于 Java 语言开发，采用 MySQL 数据库存储数据，提供信息显示与服务功能。该系统具有保密性强、效率高、成本低等优点，有助于降低信息管理成本，实现计算机化管理。

系统展示

核心代码

package com.controller;
import java.io.File;
import java.math.BigDecimal;
import java.net.URL;
 java.text.SimpleDateFormat;
 com.alibaba.fastjson.JSONObject;
 java.util.*;
 org.springframework.beans.BeanUtils;
 javax.servlet.http.HttpServletRequest;
 org.springframework.web.context.ContextLoader;
 javax.servlet.ServletContext;
 com.service.TokenService;
 com.utils.*;
 java.lang.reflect.InvocationTargetException;
 com.service.DictionaryService;
 org.apache.commons.lang3.StringUtils;
 com.annotation.IgnoreAuth;
 org.slf4j.Logger;
 org.slf4j.LoggerFactory;
 org.springframework.beans.factory.annotation.Autowired;
 org.springframework.stereotype.Controller;
 org.springframework.web.bind.annotation.*;
 com.baomidou.mybatisplus.mapper.EntityWrapper;
 com.baomidou.mybatisplus.mapper.Wrapper;
 com.entity.*;
 com.entity.view.*;
 com.service.*;
 com.utils.PageUtils;
 com.utils.R;
 com.alibaba.fastjson.*;





   {
          LoggerFactory.getLogger(ShiwuzhaolingController.class);
          ;

    
     ShiwuzhaolingService shiwuzhaolingService;
    
     TokenService tokenService;
    
     DictionaryService dictionaryService;
    
     ForumService forumService;
    
     NewsService newsService;
    
     XunwuqishiService xunwuqishiService;
    
     XunwuqishiLiuyanService xunwuqishiLiuyanService;
    
     YonghuService yonghuService;
    
     UsersService usersService;

    
    
     R {
        logger.debug(,.getClass().getName(),JSONObject.toJSONString(params));
           String.valueOf(request.getSession().getAttribute());
        ()  R.error(,);
         (.equals(role)) params.put(,request.getSession().getAttribute());
        CommonUtil.checkMap(params);
           shiwuzhaolingService.queryPage(params);
        
        List<ShiwuzhaolingView> list =(List<ShiwuzhaolingView>)page.getList();
        (ShiwuzhaolingView c:list){
            
            dictionaryService.dictionaryConvert(c, request);
        }
         R.ok().put(, page);
    }

    
    
     R {
        logger.debug(,.getClass().getName(),id);
           shiwuzhaolingService.selectById(id);
        (shiwuzhaoling !=){
            
                ();
            BeanUtils.copyProperties( shiwuzhaoling , view );
            
            
            (yonghu != ){
                BeanUtils.copyProperties( yonghu , view , []{ , , , , });
                view.setYonghuId(yonghu.getId());
            }
            
            dictionaryService.dictionaryConvert(view, request);
             R.ok().put(, view);
        } {
             R.error(,);
        }
    }

    
    
     R {
        logger.debug(,.getClass().getName(),shiwuzhaoling.toString());
           String.valueOf(request.getSession().getAttribute());
        ()  R.error(,);
         (.equals(role)) shiwuzhaoling.setYonghuId(Integer.valueOf(String.valueOf(request.getSession().getAttribute())));
        Wrapper<ShiwuzhaolingEntity> queryWrapper =  <ShiwuzhaolingEntity>()
            .eq(, shiwuzhaoling.getShiwuzhaolingName())
            .eq(, shiwuzhaoling.getShiwuzhaolingTypes())
            .eq(, shiwuzhaoling.getZhaugntaiTypes())
            .eq(, shiwuzhaoling.getYonghuId())
            .eq(, shiwuzhaoling.getShiwuzhaolingDizhi());
        logger.info(+queryWrapper.getSqlSegment());
           shiwuzhaolingService.selectOne(queryWrapper);
        (shiwuzhaolingEntity==){
            shiwuzhaoling.setCreateTime( ());
            shiwuzhaolingService.insert(shiwuzhaoling);
             R.ok();
        } {
             R.error(,);
        }
    }

    
    
     R   NoSuchFieldException, ClassNotFoundException, IllegalAccessException, InstantiationException {
        logger.debug(,.getClass().getName(),shiwuzhaoling.toString());
           shiwuzhaolingService.selectById(shiwuzhaoling.getId());
           String.valueOf(request.getSession().getAttribute());
        
        
        
        
        (.equals(shiwuzhaoling.getShiwuzhaolingPhoto()) || .equals(shiwuzhaoling.getShiwuzhaolingPhoto())){
            shiwuzhaoling.setShiwuzhaolingPhoto();
        }
        shiwuzhaolingService.updateById(shiwuzhaoling);
         R.ok();
    }

    
    
     R {
        logger.debug(,.getClass().getName(),ids.toString());
        List<ShiwuzhaolingEntity> oldShiwuzhaolingList =shiwuzhaolingService.selectBatchIds(Arrays.asList(ids));
        shiwuzhaolingService.deleteBatchIds(Arrays.asList(ids));
         R.ok();
    }

    
    
     R {
        logger.debug(,.getClass().getName(),fileName);
           Integer.valueOf(String.valueOf(request.getSession().getAttribute()));
            ();
         {
            List<ShiwuzhaolingEntity> shiwuzhaolingList =  <>();
            Map<String, List<String>> seachFields=  <>();
                ();
               fileName.lastIndexOf();
            (lastIndexOf == -){
                 R.error(,);
            }{
                   fileName.substring(lastIndexOf);
                (!.equals(suffix)){
                     R.error(,);
                }{
                       .getClass().getClassLoader().getResource( + fileName);
                        (resource.getFile());
                    (!file.exists()){ 
                         R.error(,);
                    }{
                        List<List<String>> dataList = PoiUtil.poiImport(file.getPath());
                        dataList.remove();
                        (List<String> data:dataList){
                            
                                ();
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            shiwuzhaolingList.add(shiwuzhaolingEntity); 
                            
                            (seachFields.containsKey()){
                                List<String> shiwuzhaolingUuidNumber = seachFields.get();
                                shiwuzhaolingUuidNumber.add(data.get());
                            }{
                                List<String> shiwuzhaolingUuidNumber =  <>();
                                shiwuzhaolingUuidNumber.add(data.get());
                                seachFields.put(,shiwuzhaolingUuidNumber);
                            }
                        }
                        
                        
                        List<ShiwuzhaolingEntity> shiwuzhaolingEntities_shiwuzhaolingUuidNumber = shiwuzhaolingService.selectList( <ShiwuzhaolingEntity>().in(, seachFields.get()));
                        (shiwuzhaolingEntities_shiwuzhaolingUuidNumber.size() > ){
                            ArrayList<String> repeatFields =  <>();
                            (ShiwuzhaolingEntity s:shiwuzhaolingEntities_shiwuzhaolingUuidNumber){
                                repeatFields.add(s.getShiwuzhaolingUuidNumber());
                            }
                             R.error(,+repeatFields.toString());
                        }
                        shiwuzhaolingService.insertBatch(shiwuzhaolingList);
                         R.ok();
                    }
                }
            }
        } (Exception e){
            e.printStackTrace();
             R.error(,);
        }
    }

    
    
    
     R {
        logger.debug(,.getClass().getName(),JSONObject.toJSONString(params));
        CommonUtil.checkMap(params);
           shiwuzhaolingService.queryPage(params);
        
        List<ShiwuzhaolingView> list =(List<ShiwuzhaolingView>)page.getList();
        (ShiwuzhaolingView c:list) dictionaryService.dictionaryConvert(c, request);
        
         R.ok().put(, page);
    }

    
    
     R {
        logger.debug(,.getClass().getName(),id);
           shiwuzhaolingService.selectById(id);
        (shiwuzhaoling !=){
            
                ();
            BeanUtils.copyProperties( shiwuzhaoling , view );
            
            (yonghu != ){
                BeanUtils.copyProperties( yonghu , view , []{ , });
                view.setYonghuId(yonghu.getId());
            }
            
            dictionaryService.dictionaryConvert(view, request);
             R.ok().put(, view);
        } {
             R.error(,);
        }
    }

    
    
     R {
        logger.debug(,.getClass().getName(),shiwuzhaoling.toString());
        Wrapper<ShiwuzhaolingEntity> queryWrapper =  <ShiwuzhaolingEntity>()
            .eq(, shiwuzhaoling.getShiwuzhaolingUuidNumber())
            .eq(, shiwuzhaoling.getShiwuzhaolingName())
            .eq(, shiwuzhaoling.getShiwuzhaolingTypes())
            .eq(, shiwuzhaoling.getZhaugntaiTypes())
            .eq(, shiwuzhaoling.getYonghuId())
            .eq(, shiwuzhaoling.getShiwuzhaolingDizhi())
            
        logger.info(+queryWrapper.getSqlSegment());
           shiwuzhaolingService.selectOne(queryWrapper);
        (shiwuzhaolingEntity==){
            shiwuzhaoling.setCreateTime( ());
            shiwuzhaolingService.insert(shiwuzhaoling);
             R.ok();
        } {
             R.error(,);
        }
    }
}