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基于javaweb的JSP+Servlet超市商品会员管理系统(java+mysql+servlet+jsp+bootstrap)

更新于

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

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222023510509

基于javaweb的JSP+Servlet超市商品会员管理系统(java+mysql+servlet+jsp+bootstrap)

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admin 123456

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		list(request, response);
	}else if ("form".equals(method)) {
		form(request, response);
	}else if ("saveAndFile".equals(method)) {
		saveAndFile(request, response);
	}
	
}

//添加保存
protected void saveAndFile(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	SupGoods supGoods = new SupGoods();
	 //这是上传到tomcat下，文件容易丢失
	 //得到上传文件的保存目录，将上传的文件存放于WEB-INF目录下，不允许外界直接访问，保证上传文件的安全
       String savePath = this.getServletContext().getRealPath("/upload");
       File file = new File(savePath);
       //判断上传文件的保存目录是否存在
       if (!file.exists() && !file.isDirectory()) {
           System.out.println(savePath+"目录不存在，需要创建");
           //创建目录
           file.mkdirs();
       }
       //上传到服务器硬盘上，保证重启tomcat不会丢失文件
       //获取上传文件的路径
       /*String savePath = PropertiesUtil.getValue("fileUpload");
       File file = new File(savePath+"/");
       if (!file.exists() && !file.isDirectory()) {
           System.out.println(savePath+"目录不存在，需要创建");
           //创建目录
           file.mkdirs();
       }*/
       //消息提示
       String msg = "";
       try{
           //使用Apache文件上传组件处理文件上传步骤：
           //1、创建一个DiskFileItemFactory工厂
           DiskFileItemFactory factory = new DiskFileItemFactory();
           //2、创建一个文件上传解析器
           ServletFileUpload upload = new ServletFileUpload(factory);
            //解决上传文件名的中文乱码
           upload.setHeaderEncoding("UTF-8"); 
           //3、判断提交上来的数据是否是上传表单的数据
           if(!ServletFileUpload.isMultipartContent(request)){
               //按照传统方式获取数据
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		}
		
		page = supVipInfoService.page(supVipInfo, page);
		request.setAttribute("page", page);
		request.getRequestDispatcher("/views/system/supVipInfoList.jsp").forward(request, response);
	}
	
	//form跳转页面
	private void form(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String id = request.getParameter("id");
		SupVipInfo supVipInfo = new SupVipInfo();
		if (id!=null && id!="") {
			supVipInfo = supVipInfoService.getById(id);
		}
		request.setAttribute("supVipInfo", supVipInfo);
		request.getRequestDispatcher("/views/system/supVipInfoForm.jsp").forward(request, response);
	}
	
}






@WebServlet("/supActivePro")
public class SupActiveProController extends HttpServlet {
	private static final long serialVersionUID = 1L;
	
	private String contextPath = "";
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		//设置查询页
		String pageNoStr = request.getParameter("pageNo");
		if (pageNoStr != null && pageNoStr != "") {
			page.setPageNo(Integer.parseInt(pageNoStr));
		}
		//设置查询条件
		String goodsName = request.getParameter("goodsName");
		if (goodsName != null && goodsName != "") {
			supGoods.setGoodsName(goodsName);
			request.setAttribute("goodsName", goodsName);
		}
		String goodsType = request.getParameter("goodsType");
		if (goodsType != null && goodsType != "") {
			supGoods.setGoodsType(goodsType);
			request.setAttribute("goodsType", goodsType);
		}
		
		//判断提示信息
		Object msg = request.getSession().getAttribute("msg");
		if (msg != null) {
			request.setAttribute("msg", msg.toString());
			request.getSession().removeAttribute("msg");
		}
		
		page = supGoodsService.page(supGoods, page);
		request.setAttribute("page", page);
		request.getRequestDispatcher("/views/system/supGoodsList.jsp").forward(request, response);
	}
	
	//form跳转页面
	private void form(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String id = request.getParameter("id");
		SupGoods supGoods = new SupGoods();
		if (id!=null && id!="") {
			supGoods = supGoodsService.getById(id);
		}
		request.setAttribute("supGoods", supGoods);
		request.getRequestDispatcher("/views/system/supGoodsForm.jsp").forward(request, response);
	}
	
}


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	user.setName(name);
	user.setSex(sex);
	user.setPhone(phone);
	userService.update(user);
	request.setAttribute("user", user);
	request.getRequestDispatcher("/views/system/userForm.jsp").forward(request, response);
}

//列表查询
private void list(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	System.err.println("---开始查询---");
	User user = new User();
	//分页有关
	Page<User> page = new Page<User>();
	//设置查询页
	String pageNoStr = request.getParameter("pageNo");
	if (pageNoStr != null && pageNoStr != "") {
		page.setPageNo(Integer.parseInt(pageNoStr));
	}
	//设置查询条件
	String username = request.getParameter("username");
	if (username != null && username != "") {
		user.setUsername(username);
		request.setAttribute("username", username);
	}
	String name = request.getParameter("name");
	if (name != null && name != "") {
		user.setName(name);
		request.setAttribute("name", name);
	}
	String sex = request.getParameter("sex");
	if (sex != null && sex != "") {
		user.setSex(sex);
		request.setAttribute("sex", sex);
	}
	
	page = userService.page(user, page);
	request.setAttribute("page", page);
	request.getRequestDispatcher("/views/system/userList.jsp").forward(request, response);
}

//form跳转页面
private void form(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	String id = request.getParameter("id");
	User user = new User();
	if (id!=null && id!="") {
		user = userService.getById(id);
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@WebServlet("/supVipInfo")
public class SupVipInfoController extends HttpServlet {
	private static final long serialVersionUID = 1L;
	
	private String contextPath = "";
	
	SupVipInfoDao supVipInfoDao=new SupVipInfoDao();
	SupVipInfoService supVipInfoService = new SupVipInfoServiceImpl();
	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doPost(request, response);
	}
	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		contextPath = request.getServletContext().getContextPath();
		String method = request.getParameter("method");
		if ("saveNoFile".equals(method)) {
			saveNoFile(request,response);
		}else if ("delete".equals(method)) {
			delete(request, response);
		}else if ("list".equals(method)) {
			list(request, response);
		}else if ("form".equals(method)) {
			form(request, response);
		}else if ("saveAndFile".equals(method)) {
			saveAndFile(request, response);
		}
		
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                   //创建一个文件输出流
                   FileOutputStream out = new FileOutputStream(savePath + "\\" + filename);
                   //创建一个缓冲区
                   byte buffer[] = new byte[1024];
                   //判断输入流中的数据是否已经读完的标识
                   int len = 0;
                   //循环将输入流读入到缓冲区当中，(len=in.read(buffer))>0就表示in里面还有数据
                   while((len=in.read(buffer))>0){
                       //使用FileOutputStream输出流将缓冲区的数据写入到指定的目录(savePath + "\\" + filename)当中
                       out.write(buffer, 0, len);
                   }
                   //关闭输入流
                   in.close();
                   //关闭输出流
                   out.close();
                   //删除处理文件上传时生成的临时文件
            //       item.delete();
					msg = "文件上传成功！";
                   supGoods.setPic("\\upload" + "\\" + filename);
               }
           }
           if (supGoods.getId()!=null && !"".equals(supGoods.getId())) {
   			supGoodsService.update(supGoods);
   		}else{
   			supGoodsService.add(supGoods);
   		}
   		response.sendRedirect(contextPath+"/supGoods?method=list");
       }catch (Exception e) {
           msg= "服务异常！";
           e.printStackTrace();
           request.setAttribute("msg",msg);
           request.getRequestDispatcher("/views/system/supGoodsForm.jsp").forward(request, response);
       }
}

//删除
private void delete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	String id = request.getParameter("id");
	supGoodsService.delete(id);
	response.sendRedirect(contextPath+"/supGoods?method=list");
}

//修改
private void saveNoFile(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	String id = request.getParameter("id");

项目链接：
https://javayms.github.io?id=152023510509201eh
https://javayms.pages.dev?id=152023510509201eh