c语言sscanf函数的用法是什么
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2022-11-23
Java 实战项目锤炼之在线蛋糕商城系统的实现
一、项目简述
功能: 主页显示热销商品;所有蛋糕商品展示,可进行商品搜 索;点击商品进入商品详情页,具有立即购买和加入购物 车功能,可增减购买商品数量亦可手动输入(同时验证库 存),热销商品展示。立即购买进入确认订单页面,可选择 已经添加的地址,亦可新增地址。(同时验证库存),可选 择购买哪些商品,可删除不需要的商品。点击结算进入确 认订单页面,确认后提交订单。后台管理:(修改密码 等),商品管理(商品批量添加、上下架等),订单管理。
二、项目运行
环境配置: Jdk1.8 + Tomcat8.5 + mysql + Eclispe ( IntelliJ IDEA,Eclispe,MyEclispe,Sts 都支持)
项目技术: jsP + C3P0+ Servlert + html+ css + javascript + jquery + Ajax + Fileupload
用户登录模块代码:
用户登录模块:
@WebServlet(name = "user_login",urlPatterns = "/user_login")
public class UserLoginServlet extends HttpServlet {
private UserService uService = new UserService();
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOExceptiohttp://n {
String ue = request.getParameter("ue");
String password = request.getParameter("password");
User user = uService.login(ue, password);
if(user==null) {
request.setAttribute("failMsg", "用户名、邮箱或者密码错误,请重新登录!");
requesfjGVxt.getRequestDispatcher("/user_login.jsp").forward(request, response);
}else {
request.getSession().setAttribute("user", user);
request.getRequestDispatcher("/user_center.jsp").forward(request, response);
}
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
}
}
管理员添加用户代码:
管理员添加用户:
@WebServlet(name = "admin_user_add",urlPatterns = "/admin/user_add")
public class AdminUserAddServlet extends HttpServlet {
private UserService uService = new UserService();
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
User user = new User();
try {
BeanUtils.copyProperties(user, request.getParameterMap());
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if(uService.register(user)) {
request.setAttribute("msg", "客户添加成功!");
request.getRequestDispatcher("/admin/user_list").forward(request, response);
}else {
request.setAttribute("failMsg", "用户名或邮箱重复,请重新填写!");
request.setAttribute("u",user);
request.getRequestDispatcher("/admin/user_add.jsp").forward(request, response);
}
}
}
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