SSM框架javaee电子商务系统源码（含静态网页资源）

package com.service.admin; import java.io.File; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import org.springframework.ui.Model; import com.dao.AdminGoodsDao; import com.po.Goods; import com.util.MyUtil; @Service("adminGoodsService") @Transactional public class AdminGoodsServiceImpl implements AdminGoodsService{ @Autowired private AdminGoodsDao adminGoodsDao; /** * 添加或更新 */ @Override public String addOrUpdateGoods(Goods goods, HttpServletRequest request, String updateAct) { /*上传文件的保存位置"/logos"，该位置是指 workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps， 发布后使用*/ //防止文件名重名 String newFileName = ""; String fileName = goods.getLogoImage().getOriginalFilename(); //选择了文件 if(fileName.length() > 0){ String realpath = request.getServletContext().getRealPath("logos"); //实现文件上传 String fileType = fileName.substring(fileName.lastIndexOf('.')); //防止文件名重名 newFileName = MyUtil.getStringID() + fileType; goods.setGpicture(newFileName); File targetFile = new File(realpath, newFileName); if(!targetFile.exists()){ targetFile.mkdirs(); } //上传 try { goods.getLogoImage().transferTo(targetFile); } catch (Exception e) { e.printStackTrace(); } } //修改 if("update".equals(updateAct)){//updateAct不能与act重名，因为使用了转发 //修改到数据库 if(adminGoodsDao.updateGoodsById(goods) > 0){ return "forward:/adminGoods/selectGoods?act=updateSelect"; }else{ return "/adminGoods/updateAgoods"; } }else{//添 //保存到数据库 if(adminGoodsDao.addGoods(goods) > 0){ //转发到查询的controller return "forward:/adminGoods/selectGoods"; }else{ return "card/addCard"; } } } /** * 查询商品 */ @Override public String selectGoods(Model model, Integer pageCur, String act) { List<Goods> allGoods = adminGoodsDao.selectGoods(); int temp = allGoods.size(); model.addAttribute("totalCount", temp); int totalPage = 0; if (temp == 0) { totalPage = 0;//总页数 } else { //返回大于或者等于指定表达式的最小整数 totalPage = (int) Math.ceil((double) temp / 10); } if (pageCur == null) { pageCur = 1; } if ((pageCur - 1) * 10 > temp) { pageCur = pageCur - 1; } //分页查询 Map<String, Object> map = new HashMap<String, Object>(); map.put("startIndex", (pageCur - 1) * 10);//起始位置 map.put("perPageSize", 10);//每页10个 allGoods = adminGoodsDao.selectAllGoodsByPage(map); model.addAttribute("allGoods", allGoods); model.addAttribute("totalPage", totalPage); model.addAttribute("pageCur", pageCur); //删除查询 if("deleteSelect".equals(act)){ return "admin/deleteSelectGoods"; } //修改查询 else if("updateSelect".equals(act)){ return "admin/updateSelectGoods"; }else{ return "admin/selectGoods"; } } /** * 查询一个商品 */ @Override public String selectAGoods(Model model, Integer id, String act) { Goods agoods = adminGoodsDao.selectGoodsById(id); model.addAttribute("goods", agoods); //修改页面 if("updateAgoods".equals(act)){ return "admin/updateAgoods"; } //详情页面 return "admin/goodsDetail"; } /** * 删除多个商品 */ @Override public String deleteGoods(Integer[] ids, Model model) { List<Integer> list = new ArrayList<Integer>(); for (int i = 0; i < ids.length; i++) { //商品有关联 if(adminGoodsDao.selectCartGoods(ids[i]).size() > 0 || adminGoodsDao.selectFocusGoods(ids[i]).size() > 0 || adminGoodsDao.selectOrderdetailGoods(ids[i]).size() > 0) { model.addAttribute("msg", "商品有关联，不允许删除！"); return "forward:/adminGoods/selectGoods?act=deleteSelect"; } list.add(ids[i]); } adminGoodsDao.deleteGoods(list); model.addAttribute("msg", "成功删除商品！"); return "forward:/adminGoods/selectGoods?act=deleteSelect"; } /** * 删除一个商品 */ @Override public String deleteAGoods(Integer id, Model model) { //商品有关联 if(adminGoodsDao.selectCartGoods(id).size() > 0 || adminGoodsDao.selectFocusGoods(id).size() > 0 || adminGoodsDao.selectOrderdetailGoods(id).size() > 0) { model.addAttribute("msg", "商品有关联，不允许删除！"); return "forward:/adminGoods/selectGoods?act=deleteSelect"; } adminGoodsDao.deleteAGoods(id); model.addAttribute("msg", "成功删除商品！"); return "forward:/adminGoods/selectGoods?act=deleteSelect"; } }