package com.xf.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.*;
import com.xf.model.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class loginCl extends HttpServlet
{
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html");
//中文乱码问题
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
//得到传过来的账号密码
String u=request.getParameter("username");
String p=request.getParameter("password");
//调用BO中的方法验证
UsersBeanBo ubb=new UsersBeanBo();
if(ubb.checkUser(u, p))
{
//用户合法
//1.成功登陆的用户信息放入session，后面用到
UsersBean ub=ubb.getUserBean(u);
request.getSession().setAttribute("userInfo", ub);
//2.把购物车的信息取出，准备在shopping3中显示
MyCartBO mcb=(MyCartBO)request.getSession().getAttribute("mycart");
ArrayList<GoodsBean> a1=mcb.showMyCart();
//吧a1放入到request传到下个界面
request.setAttribute("mycartInfo", a1);
request.getRequestDispatcher("shopping3.jsp").forward(request, response);
}
else
{
//用户不合法
request.getRequestDispatcher("shopping2.jsp").forward(request, response);
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
this.doGet(request, response);
}
}
package com.xf.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import com.xf.model.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class OrderClServlet extends HttpServlet
{
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
//处理完成订单（把订单写入数据库）
//该任务将会交给OrderBeanBO
OrderBeanBO obbo=new OrderBeanBO();
//得到购物车
MyCartBO mcbo=(MyCartBO)request.getSession().getAttribute("mycart");
//用户id
long userId=((UsersBean)request.getSession().getAttribute("userInfo")).getUserid();
OrderInfoBean oifb=obbo.addOrder(mcbo, userId+"");
if(oifb != null)
{
//添加成功
//给shopping4显示地数据
request.setAttribute("detailbean", oifb);
request.getRequestDispatcher("shopping4.jsp").forward(request, response);
}
else
{
//添加订单失败
request.getRequestDispatcher("shopping3.jsp").forward(request, response);
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
this.doGet(request, response);
}
}
package com.xf.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import com.xf.model.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class ShoppingCl2 extends HttpServlet
{
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html");
//中文乱码解决
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
//这个控制器用于检测用户是否登录，如果没有登录就进入登录界面
//若登录过就直接进入显式用户信息和购物车的情况的页面
//看session中是否有用户登录的信息
UsersBean ub=(UsersBean)request.getSession().getAttribute("userInfo");
if(ub == null)
{
//如果没有登录过！
//跳转到shopping页面进行登录,转发
request.getRequestDispatcher("shopping2.jsp").forward(request, response);
}
else
{
//若已经登录
request.getRequestDispatcher("shopping3.jsp").forward(request, response);
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
this.doGet(request, response);
}
}
package com.xf.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.*;
import com.xf.model.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class ShoppingClServlet extends HttpServlet
{
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
this.doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html");
//中文乱码问题解决
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
//得到type值，判断用户要进行如何的操作
String type=request.getParameter("type");
// MyCartBO mcbo=new MyCartBO(); //每次都会创建一个新的购物车，没法保存，用session
//多购物车问题
//试图从session中取出一个购物单选栏,重名字取
MyCartBO mcbo=(MyCartBO)request.getSession().getAttribute("mycart");
//如果是第一次取得话是取不出来的
if(mcbo == null)
{
//该用户第一次买
//创建一个购物车栏，放入session
mcbo=new MyCartBO();
//把mycart名字，mcbo值，传入session，session中只有一个mycart，不然就会覆盖类似hashmap
request.getSession().setAttribute("mycart", mcbo);
}
if(type.equals("addGoods"))
{
//要把数据转换到showMycart.jsp中要有ID号
String goodsId=request.getParameter("goodsId");
//调用BO里面的函数添加到购物车
mcbo.addGoods(goodsId, "1");
}
else if(type.equals("delGoods"))
{
//得到要删除的ID
String goodsId=request.getParameter("goodsId");
//删除货物
mcbo.delGoods(goodsId);
}
else if(type.equals("show"))
{
//donothing,因为后面有跳转，这里就不要跳转了
}
else if(type.equals("delAll"))
{
System.out.println("!!!");
mcbo.clear();
}
else if(type.equals("updateGoods"))
{
//用户希望修改数量
//如何得到ID 和NUM
//接受ID,可能有很多个ID
String goodsId[]=request.getParameterValues("goodsId");
String newNums[]=request.getParameterValues("newNums");
for(int i=0 ; i<goodsId.length ; ++i)
{
System.out.println("id=="+goodsId[i]+"数量="+newNums[i]);
//修改
mcbo.upGoods(goodsId[i], newNums[i]);
}
// mcbo.upGoods(goodsId, newNum);
}
//然后把购物车里面的信息全部取出准备拉出来显示
ArrayList<GoodsBean> a1=mcbo.showMyCart();
//吧信息跳转到购物车页面showMyCart.jsp,放到request里面去
request.setAttribute("mycartinfo", a1);
//跳转
request.getRequestDispatcher("showMycart.jsp").forward(request, response);
}
}
/**
* 功能：这是一个控制处理器，控制goodsBeanBo和jsp关联的数据
* 时间：2014年7月6日21:08:34
*/
package com.xf.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.xf.model.*;
public class showGoodsClServlet extends HttpServlet
{
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
//得到type看是那种要求工作
String type=request.getParameter("type");
if(type.equals("showDetail"))
{
//得到要显示地ID号
String goodsId=request.getParameter("id");
//调用GoodsBeanBo
GoodsBeanBO gbb=new GoodsBeanBO();
//得到数据
GoodsBean gb=gbb.getGoodsBean(goodsId);
//吧gb放入到request里面去
request.setAttribute("goodsInfo", gb);
//跳转到showDetail.jsp里面去
request.getRequestDispatcher("showDetail.jsp").forward(request, response);
}
else if(type.equals("fenye"))
{
//得到pageNow
String pageNow=request.getParameter("pageNow");
//吧pageNow传出去,传到request里面去
request.setAttribute("abc", pageNow);
//跳转到主界面
request.getRequestDispatcher("index.jsp").forward(request, response);
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
this.doGet(request, response);
}
}
淘宝商城servlet部分
时间： 2024-08-01 06:08:36