基于javaweb+jsp的茶叶售卖商城系统(java+SSM+JSP+EasyUi+mysql)

基于javaweb+jsp的茶叶售卖商城系统(java+SSM+JSP+EasyUi+mysql)

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

			if(!oldPassword.equals(password)) {
				JSONResult errorMsg = JSONResult.errorMsg("原始密码错误，请重新输入");
				resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));
			}else {
				JSONResult ok = JSONResult.ok();
				resp.getWriter().println(JsonUtil.javaObjectToJson(ok));
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
		
	}
	
	
	
	public void modifyPassword(HttpServletRequest req, HttpServletResponse resp) throws IOException {
		//设置请求编码格式:
				req.setCharacterEncoding("utf-8");
				//设置响应编码格式			
				resp.setContentType("text/html;charset=utf-8");
		
		String password = req.getParameter("newPassword");
		User user =(User) req.getSession().getAttribute("user");
		int id = user.getId();

		goods.setId(Integer.parseInt(req.getParameter("id")));
		goods.setName(req.getParameter("goodsName"));
		goods.setNum(Integer.parseInt(req.getParameter("num")));
		goods.setPrice(Double.parseDouble(req.getParameter("price")));
		goods.setType(req.getParameter("type"));
		goods.setColor(req.getParameter("color"));
		goods.setMemory(req.getParameter("memory"));
		goods.setDescription(req.getParameter("description"));
				
		int d = service.updateGoodsById(goods);
		try {
			if(d>0) {
				JSONResult ok = JSONResult.ok();
				resp.getWriter().println(JsonUtil.javaObjectToJson(ok));
			}else {
				JSONResult errorMsg = JSONResult.errorMsg("修改失败，请重试");
				resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));
			}		
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	
	
	private void deleteAllOrders(HttpServletRequest req, HttpServletResponse resp) throws IOException {
		//设置请求编码格式:
				req.setCharacterEncoding("utf-8");
				//设置响应编码格式			
				resp.setContentType("text/html;charset=utf-8");
		// TODO 自动生成的方法存根
		int d = service.deleteAllOrders();
		try {
			if(d>0) {
				JSONResult ok = JSONResult.ok();
				resp.getWriter().println(JsonUtil.javaObjectToJson(ok));

		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	public void sendOrder(HttpServletRequest req, HttpServletResponse resp) throws IOException {
		//设置请求编码格式:
				req.setCharacterEncoding("utf-8");
				//设置响应编码格式			
				resp.setContentType("text/html;charset=utf-8");
			SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//设置日期格式
			User user =(User) req.getSession().getAttribute("user");
			Orders order = new Orders();
			order.setNumber(order.getRandomString(10));

				//设置响应编码格式			
				resp.setContentType("text/html;charset=utf-8");
		Goods goods = new Goods();
		goods.setId(Integer.parseInt(req.getParameter("id")));
		goods.setName(req.getParameter("goodsName"));
		goods.setNum(Integer.parseInt(req.getParameter("num")));
		goods.setPrice(Double.parseDouble(req.getParameter("price")));
		goods.setType(req.getParameter("type"));
		goods.setColor(req.getParameter("color"));
		goods.setMemory(req.getParameter("memory"));
		goods.setDescription(req.getParameter("description"));
				
		int d = service.updateGoodsById(goods);
		try {
			if(d>0) {
				JSONResult ok = JSONResult.ok();
				resp.getWriter().println(JsonUtil.javaObjectToJson(ok));
			}else {
				JSONResult errorMsg = JSONResult.errorMsg("修改失败，请重试");
				resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));
			}		
		} catch (Exception e) {
			e.printStackTrace();
		}

		try {
			//遍历
			for (FileItem file : items) {
				if(!file.isFormField()) {
					String fileSuffix = FileUploadUtil.getFileSuffix(file);
					//必须是jpg或png  图片文件才能进行上传操作
					if("jpg".equals(fileSuffix) || "png".equals(fileSuffix)) {
						//生成新图片名
						imgName = FileUploadUtil.getImgNewName(fileSuffix);
						FileUploadUtil.saveFile(file, savePath, imgName);					
					}
				}
			}
			
			int d = service.updateGoodsImgById(imgName, Integer.parseInt(req.getParameter("id")));
			if(d>0) {
				JSONResult ok = JSONResult.ok(imgName);
				resp.getWriter().println(JsonUtil.javaObjectToJson(ok));
			}else {

		req.setAttribute("ordersList",allOrders);
		try {
			req.getRequestDispatcher("/backstage/tgls/ordersManage/orders_list.jsp").forward(req, resp);
		} catch (ServletException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}	
	}
	
	
	
	public void getOrdersListByName(HttpServletRequest req,HttpServletResponse resp) throws IOException {

			if(d>0) {
				JSONResult ok = JSONResult.ok();
				resp.getWriter().println(JsonUtil.javaObjectToJson(ok));
			}else {
				JSONResult errorMsg = JSONResult.errorMsg("删除失败，请重试");
				resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));
			}			
			
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	

				JSONResult ok = JSONResult.ok(list);
				resp.getWriter().println(JsonUtil.javaObjectToJson(ok));
			}else {
				JSONResult errorMsg = JSONResult.errorMsg("未获取到任何数据，请重试");
				resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));
			}			
			
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	
	
	public void toOrdersUpdatePage(HttpServletRequest req,HttpServletResponse resp) {
		int id = Integer.parseInt(req.getParameter("id"));
		Orders orders = service.getOrdersInfoById(id);
		req.setAttribute("orders", orders);
		try {
			req.getRequestDispatcher("/backstage/tgls/ordersManage/orders_update.jsp").forward(req, resp);
		} catch (ServletException e) {
			e.printStackTrace();

				JSONResult errorMsg = JSONResult.errorMsg("删除失败，请重试");
				resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));
			}			
			
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}
用户管理服务类：
@WebServlet("/backstage_userServlet")
public class UserServlet extends HttpServlet{
	UserService service = new UserService();
	
	@Override
	protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		String action = req.getParameter("action");
		switch(action) {
			case "login":login(req, resp);break;
			case "modifyPassword":modifyPassword(req, resp);break;
			case "checkOldPassword":checkOldPassword(req, resp);break;
			case "afterModifyPassword":afterModifyPassword(req, resp);break;
			case "logout":logout(req, resp);break;
		}