课程设计-电子商务平台 部分代码.doc

部分代码展示如下：图片验证码生成代码如下(CheckCodeAciton)：public class CheckCodeAction extends Actionpublic ActionForward execute(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response)response.setContentType(image/jpeg);/ 图片的内存映像BufferedImage image=new BufferedImage(60,25,BufferedImage.TYPE_INT_RGB);/ 获得画笔对象Graphics g = image.getGraphics();Random r = new Random();g.setColor(new Color(r.nextInt(255),r.nextInt(255),r.nextInt(255);g.fillRect(0, 0, 60, 25);g.setColor(new Color(0,0,0);String str = ;for(int i=0;i4;i+)char ch = A;str+=(char)(ch+r.nextInt(26);/String number = String.valueOf(r.nextInt(99999);String number = str;HttpSession session = request.getSession();session.setAttribute(number, number);g.drawString(number, 10, 18);for(int i=0;i2;i+)g.setColor(new Color(r.nextInt(255), r.nextInt(255), r.nextInt(255);g.drawLine(r.nextInt(60), r.nextInt(25), r.nextInt(60), r.nextInt(25);/ 压缩成jpeg格式OutputStream os;try os = response.getOutputStream();JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(os);/ 把BufferedImage对象中的图像信息编码后/ 向创建该对象(encoder)时指定的输出流输出encoder.encode(image); catch (Exception e) e.printStackTrace();return null;密码采用了加密算法，工具类代码如下：public final class DegistUtil public static String md5(String str)try /将密码变成字节再加密MessageDigest md = MessageDigest.getInstance(MD5);byte bys = md.digest(str.getBytes();/将加密后的字节数组使用Base64算法变成字符BASE64Encoder encode = new BASE64Encoder();return encode.encode(bys); catch (Exception e) e.printStackTrace();return null;分页技术核心代码：for(int i=0;i=pages)bookListForm.setPage(pages);page=pages;if(page1)bookListForm.setPage(1);page=1;int beginIndex = (page-1)*5;Listbooks = DAOFactory.getBookDAO().findByParentId(scc,beginIndex, size);request.getSession().setAttribute(counts, counts);if(pages=0)pages = 1;购物车核心代码CartService：public class CartService private Map store = new HashMap();public CartService()public static CartService getInstance(HttpSession session)CartService cart = (CartService)session.getAttribute(cart);if(cart = null)cart = new CartService();session.setAttribute(cart, cart);return cart;public void add(Integer id)if(store.containsKey(id)CartItem item = store.get(id);item.setNum(item.getNum()+1);elseBook book = DAOFactory.getBookDAO().findById(id);CartItem item = new CartItem();item.setPro(book);store.put(id,item);public void delete(Integer id)if(store.containsKey(id)CartItem item = store.get(id);item.setBuy(false);public void delete(boolean flag)Set set = store.entrySet();Iterator it = set.iterator();while(it.hasNext()Map.Entry entry = (Map.Entry)it.next();CartItem item = (CartItem)entry.getValue();if(item.isBuy()=flag)it.remove();public void recovery(Integer id)if(store.containsKey(id)CartItem item = store.get(id);item.setBuy(true);public double cost(boolean flag)double sum = 0;List items = getItems(true);for(int i=0;iitems.size();i+)CartItem item = new CartItem();item = items.get(i);if(flag)double ss = item.getPro().getFixed_price()*item.getNum();sum+=ss;elsedouble ss = item.getPro().getDang_price()*item.getNum(); sum+=ss; return sum;public void update(Integer id,int num)if(store.containsKey(id)CartItem item = store.get(id);item.setNum(num);public List getItems(boolean isbuy)List items = new ArrayList();Set set = store.entrySet();Iterator it = set.iterator();while(it.hasNext()Map.Entry entry = (Map.Entry)it.next();CartItem item = (CartItem)entry.getValue();if(item.isBuy()=isbuy)items.add(item);return items;Ajax异步请求代码如下：$(function() $(#address).change(function()if($(this).html!=填写新地址)$.ajax(url:/select.do,type:post,data:$(#address).serialize(),dataType:json,success:function(data,status)$(#receiveName).val(data.receive_name);$(#fullAddress).val(data.full_address);$(#postalCode).val(data.postal_code);$(#phone).val(data.phone);$(#mobile).val(data.mobile);,error:function(xhr,textStatus,errorThrown)alert(xhr.status););););ManagerLoginAction代码如下：public class ManagerLoginAction extends Actionpublic ActionForward execute(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response)ManagerLoginForm managerForm = (ManagerLoginForm)form;String managername = managerForm.getManagername();String password = managerForm.getPassword();if(managername.trim().equals(sunjinfu) & password.trim().equals(sunluoyang1987)request.getSession().setAttribute(manager_error, null);request.getSession().setAttribute(manager, success);return mapping.findForward(index);elserequest.getSession().setAttribute(manager_error, 管理员登录验证失败);return mapping.findForward(manager_login);部分页面代码如下： function collapse_change(menucount) if ($(menu_ + menucount).style.display = none) $(menu_ + menucount).style.display = ;$(menuimg_ + menucount).src = css/main/menu_reduce.gif; else $(menu_ + menucount).style.display = none;$(menuimg_ + menucount).src = css/main/menu_add.gif;var menus = new Array(g1,g2,g3,g4);function togglemenu(id) for (i = 0; i menus.length; i+) var k = menusi;parent.menu.document.getElementById(k).style.display = (k = id ? : none);function sethighlight(n) var lis = document.getElementsByTagName(li);for(var i = 0; i lis.length; i+) lisi.id = ;lisn.id = menuon;SearchUserAction代码如下：public class SearchUserAction extends Actionpublic ActionForward execute(ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response)UserManageForm manageForm = (UserManageForm)form;String email_id = manageForm.getEmail_id();User user = null;String reg1 = .1,30w2,10.2,10;String reg2 = 0-9+$;UserDAOImpl userDAO = (UserDAOImpl) DAOFactory.getUserDAO();if(email_id.matches(reg1) user = userDAO.findByEmail(email_id.trim();else if(email_id.matches(reg2) user = userDAO.findById(Integer.parseInt(email_id.trim(); request.getSession().setAttribute(user_error, null); manageForm.setUser(user); return mapping.findForward(user_detail);/ elserequest.getSession().setAttribute(user_error, 您的输入有误!);return mapping.findForward(user_list);Ajax级联动态下拉框代码如下：$(function()$(#superCategory).change(function()if($(this).html!=选择分类)$.ajax(url:/getcategory.do,type:post,data:$(#superCategory).serialize(),dataType:json,success:function(data,status)document.getElementById(category).innerHTML=;for(var i=0;idata.length;i+)var op = new Option(,datai.id);var categoryObj = document.getElementById(category);categoryObj.optionsi = op; ,error:function(xhr,textStatus,errorThrown)alert(xhr.status););););$(function()$(#category).change(function()$.ajax(url:/getsubc