基于Springboot+Vue的Java项目-商业辅助决策系统开发实战(附演示视频+源码+LW)

    package com.controller;
    
    import java.io.File;
    import java.math.BigDecimal;
    import java.net.URL;
    import java.text.SimpleDateFormat;
    import com.alibaba.fastjson.JSONObject;
    import java.util.*;
    import org.springframework.beans.BeanUtils;
    import javax.servlet.http.HttpServletRequest;
    import org.springframework.web.context.ContextLoader;
    import javax.servlet.ServletContext;
    import com.service.TokenService;
    import com.utils.*;
    import java.lang.reflect.InvocationTargetException;
    
    import com.service.DictionaryService;
    import org.apache.commons.lang3.StringUtils;
    import com.annotation.IgnoreAuth;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.*;
    import com.baomidou.mybatisplus.mapper.EntityWrapper;
    import com.baomidou.mybatisplus.mapper.Wrapper;
    import com.entity.*;
    import com.entity.view.*;
    import com.service.*;
    import com.utils.PageUtils;
    import com.utils.R;
    import com.alibaba.fastjson.*;
    
    /** * 公告
     * 后端接口
     * @author
     * @email
    */
    @RestController
    @Controller
    @RequestMapping("/gonggao")
    public class GonggaoController {
    private static final Logger logger = LoggerFactory.getLogger(GonggaoController.class);
    
    @Autowired
    private GonggaoService gonggaoService;
    
    
    @Autowired
    private TokenService tokenService;
    @Autowired
    private DictionaryService dictionaryService;
    
    //级联表service
    
    @Autowired
    private YuangongService yuangongService;
    
    
    /** * 后端列表
    */
    @RequestMapping("/page")
    public R page(@RequestParam Map<String, Object> params, HttpServletRequest request){
        logger.debug("page方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));
        String role = String.valueOf(request.getSession().getAttribute("role"));
        if(false)
            return R.error(511,"永不会进入");
        else if("员工".equals(role))
            params.put("yuangongId",request.getSession().getAttribute("userId"));
        if(params.get("orderBy")==null || params.get("orderBy")==""){
            params.put("orderBy","id");
        }
        PageUtils page = gonggaoService.queryPage(params);
    
        //字典表数据转换
        List<GonggaoView> list =(List<GonggaoView>)page.getList();
        for(GonggaoView 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);
        GonggaoEntity gonggao = gonggaoService.selectById(id);
        if(gonggao !=null){
            //entity转view
            GonggaoView view = new GonggaoView();
            BeanUtils.copyProperties( gonggao , 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 GonggaoEntity gonggao, HttpServletRequest request){
        logger.debug("save方法:,,Controller:{},,gonggao:{}",this.getClass().getName(),gonggao.toString());
    
        String role = String.valueOf(request.getSession().getAttribute("role"));
        if(false)
            return R.error(511,"永远不会进入");
    
        Wrapper<GonggaoEntity> queryWrapper = new EntityWrapper<GonggaoEntity>()
            .eq("gonggao_name", gonggao.getGonggaoName())
            .eq("gonggao_types", gonggao.getGonggaoTypes())
            ;
    
        logger.info("sql语句:"+queryWrapper.getSqlSegment());
        GonggaoEntity gonggaoEntity = gonggaoService.selectOne(queryWrapper);
        if(gonggaoEntity==null){
            gonggao.setInsertTime(new Date());
            gonggao.setCreateTime(new Date());
            gonggaoService.insert(gonggao);
            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 GonggaoEntity gonggao, HttpServletRequest request){
        logger.debug("update方法:,,Controller:{},,gonggao:{}",this.getClass().getName(),gonggao.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<GonggaoEntity> queryWrapper = new EntityWrapper<GonggaoEntity>()
            .notIn("id",gonggao.getId())
            .andNew()
            .eq("gonggao_name", gonggao.getGonggaoName())
            .eq("gonggao_types", gonggao.getGonggaoTypes())
            ;
    
        logger.info("sql语句:"+queryWrapper.getSqlSegment());
        GonggaoEntity gonggaoEntity = gonggaoService.selectOne(queryWrapper);
        if("".equals(gonggao.getGonggaoPhoto()) || "null".equals(gonggao.getGonggaoPhoto())){
                gonggao.setGonggaoPhoto(null);
        }
        if(gonggaoEntity==null){
            gonggaoService.updateById(gonggao);//根据id更新
            return R.ok();
        }else {
            return R.error(511,"表中有相同数据");
        }
    }
    
    /** * 删除
    */
    @RequestMapping("/delete")
    public R delete(@RequestBody Integer[] ids){
        logger.debug("delete:,,Controller:{},,ids:{}",this.getClass().getName(),ids.toString());
        gonggaoService.deleteBatchIds(Arrays.asList(ids));
        return R.ok();
    }
    
    
    /** * 批量上传
     */
    @RequestMapping("/batchInsert")
    public R save( String fileName, HttpServletRequest request){
        logger.debug("batchInsert方法:,,Controller:{},,fileName:{}",this.getClass().getName(),fileName);
        Integer yonghuId = Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId")));
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        try {
            List<GonggaoEntity> gonggaoList = new ArrayList<>();//上传的东西
            Map<String, List<String>> seachFields= new HashMap<>();//要查询的字段
            Date date = new Date();
            int lastIndexOf = fileName.lastIndexOf(".");
            if(lastIndexOf == -1){
                return R.error(511,"该文件没有后缀");
            }else{
                String suffix = fileName.substring(lastIndexOf);
                if(!".xls".equals(suffix)){
                    return R.error(511,"只支持后缀为xls的excel文件");
                }else{
                    URL resource = this.getClass().getClassLoader().getResource("static/upload/" + fileName);//获取文件路径
                    File file = new File(resource.getFile());
                    if(!file.exists()){
                        return R.error(511,"找不到上传文件，请联系管理员");
                    }else{
                        List<List<String>> dataList = PoiUtil.poiImport(file.getPath());//读取xls文件
                        dataList.remove(0);//删除第一行，因为第一行是提示
                        for(List<String> data:dataList){
                            //循环
                            GonggaoEntity gonggaoEntity = new GonggaoEntity();
    //                            gonggaoEntity.setGonggaoName(data.get(0));                    //公告名称 要改的
    //                            gonggaoEntity.setGonggaoPhoto("");//详情和图片
    //                            gonggaoEntity.setGonggaoTypes(Integer.valueOf(data.get(0)));   //公告类型 要改的
    //                            gonggaoEntity.setInsertTime(date);//时间
    //                            gonggaoEntity.setGonggaoContent("");//详情和图片
    //                            gonggaoEntity.setCreateTime(date);//时间
                            gonggaoList.add(gonggaoEntity);
    
    
                            //把要查询是否重复的字段放入map中
                        }
    
                        //查询是否重复
                        gonggaoService.insertBatch(gonggaoList);
                        return R.ok();
                    }
                }
            }
        }catch (Exception e){
            e.printStackTrace();
            return R.error(511,"批量插入数据异常，请联系管理员");
        }
    }
    
    
    
    
    
    
    }
    
    
    
    java
    
    
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