购物车项目代码+页面+连接数据库

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 个人中心界面

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数据库表设计

就不多说，直接上代码

他们的顺序是register.jsp→login.jsp→index.jsp→dogwc.jsp→index.jsp

register.jsp和doregister.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>








	

		用户名:

		密码:

		备注:		

		
		
	

<%@page import="com.zking.biz.imp.Imp_UserBiz"%>
<%@page import="com.zking.biz.IUserBiz"%>
<%@page import="com.zking.entity.User"%>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.DriverManager"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
	//设置编码-设置请求对象的编号
	request.setCharacterEncoding("utf-8");
	//接收注册页面传递的数据
	String uname = request.getParameter("textfield");
	String upwd = request.getParameter("textfield2");
	String uinfo = request.getParameter("uinfo");
	User ss=new User(uname,upwd,uinfo);
	IUserBiz df=new Imp_UserBiz();
	//执行sql语句
	if(df.register(ss)){
		out.print("");
	}else{
		out.print("");
	}
%>

login.jsp和dologin.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>









	

		

			

			

			

				

					用 户 
				
				

					密 码 
				
				

					验证码 
					
				
				

					
					
				
			
			
			

		
	

<%@page import="com.zking.entity.User"%>
<%@page import="com.zking.biz.imp.Imp_UserBiz"%>
<%@page import="com.zking.biz.IUserBiz"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
String uname = request.getParameter("textfield");
String upwd = request.getParameter("textfield2");
//调用登录方法-实例化业务逻辑层对象
IUserBiz iub = new Imp_UserBiz();
User a= iub.login(uname, upwd);
	if(a!=null){//成功就跳转到主页面
		//转发
			session.setAttribute("a", a);
			request.getRequestDispatcher("index.jsp").forward(request, response);
	}else{//错误就回到登录页面
			out.print("");
	}
%>

index.jsp

<%@page import="java.util.ArrayList"%>
<%@page import="com.zking.entity.Goods"%>
<%@page import="com.zking.biz.imp.Imp_GoodsBiz"%>
<%@page import="com.zking.biz.IGoodsBiz"%>
<%@page import="java.util.List"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>












	<%
	//判断用户是不是为空
		Object obj = session.getAttribute("a");
		if(obj==null){
			out.print("");
		}
	%>
	
		<%
			//视图层调用业务逻辑层
			IGoodsBiz igb = new Imp_GoodsBiz();
			ArrayList glist = igb.getAll();
			for(Goods g:glist){
		%>
		
		<%} %>
	

		

			
商品编号
			
商品名称
			
商品价格
			
商品简介
			
商品图片
			

		

			
<%=g.getBid() %>
			
<%=g.getBname() %>
	
			
<%=g.getBprice() %>
			
<%=g.getBinfo() %>
			
 
			
加入购物车
		

dogwc.jsp

<%@page import="com.zking.entity.Goods"%>
<%@page import="javax.swing.JOptionPane"%>
<%@page import="java.util.ArrayList"%>
<%@page import="com.zking.entity.OrderItem"%>
<%@page import="com.zking.entity.User"%>
<%@page import="com.zking.biz.IGoodsBiz"%>
<%@page import="com.zking.biz.imp.Imp_GoodsBiz"%>
<%@page import="com.zking.biz.imp.Imp_OrderItemBiz"%>
<%@page import="com.zking.biz.IOrderItemBiz"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
//判断用户是不是为空
Object obj = session.getAttribute("a");
if(obj==null){
	out.print("");
}
//获取商品订单的数量
String number =request.getParameter("gn");
int count=1;
if(number!=null){
	count=Integer.valueOf(number);
}
//接受商品的编号
int bid=Integer.valueOf(request.getParameter("bid"));
IOrderItemBiz ss=new Imp_OrderItemBiz();
IGoodsBiz se=new Imp_GoodsBiz();
double jg= se.getByBid(bid).getBprice();
//给属性赋值
User sf=(User)session.getAttribute("a");
OrderItem oi=new OrderItem(sf.getUuid(),bid,1,1.0,"下单成功");
//获取OrderItem中的订单集合
ArrayList olist=ss.getAll(sf.getUuid());
boolean b=true;//表示默认 没有相同的订单
double SumPrice=0;
//遍历订单集合，判断是否已存在相同商品订单
for(int i=0;i

spcar.jsp

<%@page import="com.zking.entity.OrderItem"%>
<%@page import="java.util.ArrayList"%>
<%@page import="com.zking.entity.User"%>
<%@page import="com.zking.biz.IGoodsBiz"%>
<%@page import="com.zking.entity.Goods"%>
<%@page import="com.zking.biz.imp.Imp_GoodsBiz"%>
<%@page import="com.zking.biz.imp.Imp_OrderItemBiz"%>
<%@page import="com.zking.biz.IOrderItemBiz"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>












	<%
	//判断用户是不是为空
		Object obj = session.getAttribute("a");
		if(obj==null){
			out.print("");
		}
	%>
		

		 
		
	
	


		<%
		// 获取到session中的订单集合
		IOrderItemBiz ss=new Imp_OrderItemBiz();
		IGoodsBiz kj=new Imp_GoodsBiz();
		Goods dd=null;
		User sf=(User)session.getAttribute("a");
			ArrayList olist = ss.getAll(sf.getUuid());
			//把订单绑定到页面
			for (int i = 0; i < olist.size(); i++) {
				dd=kj.getByBid(olist.get(i).getBid());
		%>
		
		<%
			}
		%>
	

		

			
商品图片
			
商品名称
			
商品价格
			
商品介绍
			
商品数量
			
订单总价
			
订单时间
			
订单状态
			
操作一下
		

			

			
			
<%=dd.getBname()%>
			
<%=dd.getBprice()%>
			
<%=dd.getBinfo()%>
			

				-
				
				+
			
			
<%=olist.get(i).getGsumprice()%>
			
<%=olist.get(i).getOdate() %>
			
<%=olist.get(i).getOzt() %>
			

				
		
	

		
			总价格：<%=ss.getsum() %>
	

dodele.jsp

<%@page import="javax.swing.JOptionPane"%>
<%@page import="com.zking.biz.imp.Imp_OrderItemBiz"%>
<%@page import="com.zking.biz.IOrderItemBiz"%>
<%@page import="com.zking.entity.User"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
//接受商品的编号
int bid=Integer.valueOf(request.getParameter("bid"));
User s=(User)session.getAttribute("a");
//获取session中的订单集合
IOrderItemBiz ss=new Imp_OrderItemBiz();
boolean sd=ss.deleteById(bid,s.getUuid());
if(sd){
	JOptionPane.showMessageDialog(null, "删除成功");
}else{
	JOptionPane.showMessageDialog(null, "删除失败");

}
//跳转页面
response.sendRedirect("spcar.jsp");
%>

以上就是今天的分享，有啥不懂踊跃参与讨论