SSM电子商城.zip

package com.service; import java.io.File; 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.Product; import com.po.User; @Service("adminGoodsService") @Transactional public class AdminGoodsServiceImpl implements AdminGoodsService{ @Autowired private AdminGoodsDao adminGoodsDao; //分页查询商品 public String selectGoods(Model model, Integer pageCur, String act) { int pagesize = 15; List<Product> allGoods = adminGoodsDao.selectGoods(); System.out.println("查询所有订单"); System.out.println(allGoods); int temp = allGoods.size(); model.addAttribute("totalCount", temp); int totalPage = 0; if (temp == 0) { totalPage = 1;//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 / pagesize); } if (pageCur == null) { pageCur = 1; } if ((pageCur - 1) * pagesize > temp) { pageCur = pageCur - 1; } //分页查询 Map<String, Object> map = new HashMap<String, Object>(); map.put("startIndex", (pageCur - 1) * pagesize);//起始位置 map.put("perPageSize", pagesize);//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 "backend/deleteSelectGoods"; } //修改查询 else if("updateSelect".equals(act)){ return "backend/updateSelectGoods"; }else{ return "backend/index"; } } //修改商品信息 public String updateAProd(Product product,Model model, HttpServletRequest request) { System.out.println("修改商品："+product.toString()+"------------"); List<Product> list = adminGoodsDao.selectProdByName(product.getName()); if(list.size()>0) { Product product2 = list.get(0); if(!product2.getId().equals(product.getId())) { model.addAttribute("msg", "此商品名已被使用"); Product product3 = adminGoodsDao.selectProdById(product.getId()); model.addAttribute("product", product3); return "backend/proddetail"; } } if(product.getLogo().getOriginalFilename()!="") { System.out.println("修改图片:"+product.getLogo().getOriginalFilename()); Product oldProduct = adminGoodsDao.selectProdById(product.getId()); String oldpath = oldProduct.getImgurl(); System.out.println("原图片:"+oldProduct.getImgurl()); String newImgName = ""; String realpath = request.getServletContext().getRealPath("/img/"); System.out.println("path:"+realpath); String imgName = product.getLogo().getOriginalFilename(); File oldFile = new File(realpath, oldpath); oldFile.delete(); String fileType=imgName.substring(imgName.lastIndexOf('.')); newImgName = product.getId()+fileType; product.setImgurl(newImgName); File targetFile = new File(realpath, newImgName); if(!targetFile.exists()) { targetFile.mkdirs(); } try { product.getLogo().transferTo(targetFile); } catch (Exception e) { e.printStackTrace(); } if(adminGoodsDao.updateProdById(product)>0) { return "redirect:/backend/index"; } else { model.addAttribute("msg", "修改失败"); Product product3 = adminGoodsDao.selectProdById(product.getId()); model.addAttribute("product", product3); return "backend/proddetail"; } } else { if(adminGoodsDao.updateProdById(product)>0) { return "redirect:/backend/index"; } else { model.addAttribute("msg", "修改失败"); Product product3 = adminGoodsDao.selectProdById(product.getId()); model.addAttribute("product", product3); return "backend/proddetail"; } } } //添加商品 public String addProduct(Product product, Model model, HttpServletRequest request) { System.out.println("------添加商品------"); System.out.println(product.toString()); List<Product> list = adminGoodsDao.selectProdByName(product.getName()); if(list.size()>0) { model.addAttribute("msg","已有此商品"); return "err"; } Product product2 = adminGoodsDao.selectProdById(product.getId()); if(product2!=null) { model.addAttribute("msg","此商品ID已使用"); return "err"; } String newImgName = ""; String realpath = ""; String imgName = product.getLogo().getOriginalFilename(); if(imgName.length()>0) { realpath = request.getServletContext().getRealPath("/img/"); System.out.println("path:"+realpath); } String fileType=imgName.substring(imgName.lastIndexOf('.')); newImgName = product.getId()+fileType; product.setImgurl(newImgName); File targetFile = new File(realpath, newImgName); if(!targetFile.exists()) { targetFile.mkdirs(); } try { product.getLogo().transferTo(targetFile); } catch (Exception e) { e.printStackTrace(); } if(adminGoodsDao.addProd(product)>0) { return "suc"; } else { model.addAttribute("msg","添加失败"); return "err"; } } public String selectAProd(Model model, String id) { Product product = adminGoodsDao.selectProdById(id); model.addAttribute("product",product); model.addAttribute("msg",""); return "backend/proddetail"; } public String delete(String id) { if(adminGoodsDao.deleteAProd(id)>0) { System.out.println("删除成功"); return "redirect:/backend/index"; } else { System.out.println("删除失败"); return "redirect:/backend/index"; } } }