基于ssm农产品交易商城平台源码和论文

演示视频： 

基于ssm农产品交易商城平台源码和论文

 

package com.shop.controller;

import com.shop.base.BaseController;
import com.shop.pojo.Item;
import com.shop.pojo.ItemCategory;
import com.shop.service.ItemCategoryService;
import com.shop.service.ItemService;
import com.shop.utils.Pager;
import com.shop.utils.SystemContext;
import com.shop.utils.UUIDUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.commons.CommonsMultipartFile;

import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.IOException;
import java.util.List;

@Controller
@RequestMapping("/item")
public class ItemController extends BaseController {

    @Autowired
    private ItemService itemService;

    @Autowired
    private ItemCategoryService itemCategoryService;

    /**
     * 分页查询农产品列表
     */
    @RequestMapping("/findBySql")
    public String findBySql(Model model, Item item){
        String sql = "select * from item where isDelete = 0 ";
        if(!isEmpty(item.getName())){
            sql += " and name like '%" + item.getName() + "%' ";
        }
        sql += " order by id desc";
        Pager<Item> pagers = itemService.findBySqlRerturnEntity(sql);
        model.addAttribute("pagers",pagers);
        model.addAttribute("obj",item);
        return "item/item";
    }

    /**
     * 添加农产品入口
     */
    @RequestMapping("/add")
    public String add(Model model){
        String sql = "select * from item_category where isDelete = 0 and pid is not null order by id";
        List<ItemCategory> listBySqlReturnEntity = itemCategoryService.listBySqlReturnEntity(sql);
        model.addAttribute("types",listBySqlReturnEntity);
        return "item/add";
    }

    /**
     * 执行添加农产品
     */
    @RequestMapping("/exAdd")
    public String exAdd(Item item, @RequestParam("file")CommonsMultipartFile[] files, HttpServletRequest request) throws IOException {
        itemCommon(item, files, request);
        item.setGmNum(0);
        item.setIsDelete(0);
        item.setScNum(0);
        itemService.insert(item);
        return "redirect:/item/findBySql.action";
    }

    /**
     * 修改农产品入口
     */
    @RequestMapping("/update")
    public String update(Integer id,Model model){
        Item obj = itemService.load(id);
        String sql = "select * from item_category where isDelete = 0 and pid is not null order by id";
        List<ItemCategory> listBySqlReturnEntity = itemCategoryService.listBySqlReturnEntity(sql);
        model.addAttribute("types",listBySqlReturnEntity);
        model.addAttribute("obj",obj);
        return "item/update";
    }

    /**
     * 执行修改农产品
     */
    @RequestMapping("/exUpdate")
    public String exUpdate(Item item, @RequestParam("file")CommonsMultipartFile[] files, HttpServletRequest request) throws IOException {
        itemCommon(item, files, request);
        itemService.updateById(item);
        return "redirect:/item/findBySql.action";
    }

    /**
     * 新增和更新的公共方法
     */
    private void itemCommon(Item item, @RequestParam("file") CommonsMultipartFile[] files, HttpServletRequest request) throws IOException {
        if(files.length>0) {
            for (int s = 0; s < files.length; s++) {
                String n = UUIDUtils.create();
                String path = SystemContext.getRealPath() + "\\resource\\ueditor\\upload\\" + n + files[s].getOriginalFilename();
                File newFile = new File(path);
                //通过CommonsMultipartFile的方法直接写文件
                files[s].transferTo(newFile);
                if (s == 0) {
                    item.setUrl1(request.getContextPath()+"\\resource\\ueditor\\upload\\" + n + files[s].getOriginalFilename());
                }
                if (s == 1) {
                    item.setUrl2(request.getContextPath()+"\\resource\\ueditor\\upload\\" + n + files[s].getOriginalFilename());
                }
                if (s == 2) {
                    item.setUrl3(request.getContextPath()+"\\resource\\ueditor\\upload\\" + n + files[s].getOriginalFilename());
                }
                if (s == 3) {
                    item.setUrl4(request.getContextPath()+"\\resource\\ueditor\\upload\\" + n + files[s].getOriginalFilename());
                }
                if (s == 4) {
                    item.setUrl5(request.getContextPath()+"\\resource\\ueditor\\upload\\" + n + files[s].getOriginalFilename());
                }
            }
        }
        ItemCategory byId = itemCategoryService.getById(item.getCategoryIdTwo());
        item.setCategoryIdOne(byId.getPid());
    }

    /**
     * 农产品下架
     */
    @RequestMapping("/delete")
    public String update(Integer id){
        Item obj = itemService.load(id);
        obj.setIsDelete(1);
        itemService.updateById(obj);
        return "redirect:/item/findBySql.action";
    }

    /**
     * 按关键字或者二级分类查询
     */
    @RequestMapping("/shoplist")
    public String shoplist(Item item,String condition,Model model){
        String sql = "select * from item where isDelete=0";
        if(!isEmpty(item.getCategoryIdTwo())){
            sql +=" and category_id_two = " +item.getCategoryIdTwo();
        }
        if(!isEmpty(condition)){
            sql += " and name like '%" + condition +"%' ";
            model.addAttribute("condition",condition);
        }
        if(!isEmpty(item.getPrice())){
            sql += " order by (price+0) desc";
        }
        if(!isEmpty(item.getGmNum())){
            sql += " order by gmNum desc";
        }
        if(isEmpty(item.getPrice())&&isEmpty(item.getGmNum())){
            sql += " order by id desc";
        }

        Pager<Item> pagers = itemService.findBySqlRerturnEntity(sql);
        model.addAttribute("pagers",pagers);
        model.addAttribute("obj",item);
        return "item/shoplist";
    }

    @RequestMapping("/view")
    public String view(Integer id,Model model){
        Item obj = itemService.load(id);
        model.addAttribute("obj",obj);
        return "item/view";
    }
}

 

 

package com.shop.controller;

import com.shop.base.BaseController;
import com.shop.pojo.News;
import com.shop.service.NewsService;
import com.shop.utils.Pager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import java.util.Date;

/**
 * 公告管理
 */
@Controller
@RequestMapping("/news")
public class NewsController extends BaseController {

    @Autowired
    private NewsService newsService;

    /**
     * 公告列表
     */
    @RequestMapping("/findBySql")
    public String findBySql(News news, Model model){
        String sql = "select * from news where 1=1 ";
        if(!isEmpty(news.getName())){
            sql += " and name like '%"+news.getName()+"%'";
        }
        sql += " order by id desc";
        Pager<News> pagers = newsService.findBySqlRerturnEntity(sql);
        model.addAttribute("pagers",pagers);
        model.addAttribute("obj",news);
        return "news/news";
    }

    /**
     * 跳转到添加页面
     */
    @RequestMapping("/add")
    public String add(){
        return "news/add";
    }

    /**
     * 添加执行
     */
    @RequestMapping("/exAdd")
    public String exAdd(News news){
        news.setAddTime(new Date());
        newsService.insert(news);
        return "redirect:/news/findBySql";
    }

    /**
     * 跳转到修改页面
     */
    @RequestMapping("/update")
    public String update(Integer id,Model model){
        News obj = newsService.load(id);
        model.addAttribute("obj",obj);
        return "news/update";
    }

    /**
     * 修改执行
     */
    @RequestMapping("/exUpdate")
    public String exUpdate(News news){
        newsService.updateById(news);
        return "redirect:/news/findBySql";
    }

    /**
     * 删除公告
     */
    @RequestMapping("/delete")
    public String delete(Integer id){
        newsService.deleteById(id);
        return "redirect:/news/findBySql";
    }

    /**
     * 前端公告列表
     */
    @RequestMapping("/list")
    public String list(Model model){
        Pager<News> pagers = newsService.findByEntity(new News());
        model.addAttribute("pagers",pagers);
        return "news/list";
    }

    /**
     * 公告详情页面
     */
    @RequestMapping("/view")
    public String view(Integer id,Model model){
        News obj = newsService.load(id);
        model.addAttribute("obj",obj);
        return "news/view";
    }
}