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12 files changed

+162
-28
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12 files changed

+162
-28
lines changed

‎book/src/main/java/com/atguigu/filter/ManagerFilter.java‎

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package com.atguigu.filter;
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import javax.servlet.*;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import java.io.IOException;
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public class ManagerFilter implements Filter {
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@Override
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public void init(FilterConfig filterConfig) throws ServletException {
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}
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@Override
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public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
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//将servletRequest 强制转换 成 HttpServletRequest类型
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HttpServletRequest httpServletRequest= (HttpServletRequest) request;
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//因为只有HttpServletRequest 才能 获取到 Session对象
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Object user = httpServletRequest.getSession().getAttribute("user");
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if(user==null){
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httpServletRequest.getRequestDispatcher("/pages/user/login.jsp").forward(request,response);
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}else {
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chain.doFilter(request,response);
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}
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}
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@Override
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public void destroy() {
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Filter.super.destroy();
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}
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}

‎book/src/main/java/com/atguigu/web/OrderServlet.java‎

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@@ -2,6 +2,7 @@
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import com.atguigu.pojo.Cart;
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import com.atguigu.pojo.Order;
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import com.atguigu.pojo.OrderItem;
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import com.atguigu.pojo.User;
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import com.atguigu.service.OrderService;
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import com.atguigu.service.impl.OrderServiceImpl;
@@ -59,4 +60,22 @@ protected void showMyOrders(HttpServletRequest req, HttpServletResponse resp) th
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//请求转发
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req.getRequestDispatcher("/pages/order/order.jsp").forward(req,resp);
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}
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/** 查看订单详情 , 把订单项全部列上去
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*
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* @param req
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* @param resp
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* @throws ServletException
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* @throws IOException
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*/
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protected void showOrderDetail(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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//从请求的地址中获取orderId
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String orderId = req.getParameter("orderId");
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//从数据库获取 orderItems
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List<OrderItem> orderItems=orderService.showOrderDetail(orderId);
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//保存到req域
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req.setAttribute("orderItems",orderItems);
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//请求转发
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req.getRequestDispatcher("/pages/order/order_detail.jsp").forward(req,resp);
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}
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}

‎book/src/main/webapp/WEB-INF/web.xml‎

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@@ -61,4 +61,15 @@
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<servlet-name>OrderServlet</servlet-name>
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<url-pattern>/orderServlet</url-pattern>
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</servlet-mapping>
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<filter>
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<filter-name>ManagerFilter</filter-name>
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<filter-class>com.atguigu.filter.ManagerFilter</filter-class>
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</filter>
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<filter-mapping>
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<filter-name>ManagerFilter</filter-name>
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<url-pattern>/pages/manager/*</url-pattern>
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<!--不但要拦截 页面资源 ,还要拦截 Servlet访问路径-->
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<url-pattern>/manager/bookServlet</url-pattern>
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</filter-mapping>
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</web-app>

‎book/src/main/webapp/pages/client/index.jsp‎

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@@ -37,7 +37,7 @@
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<%-- 如果登录了,则不用显示登录注册按钮 --%>
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<c:if test="${not empty sessionScope.user}">
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<span>欢迎<span class="um_span">${sessionScope.user.username}</span>光临尚硅谷书城</span>
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<a href="pages/order/order.jsp">我的订单</a>
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<a href="orderServlet?action=showMyOrders">我的订单</a>
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<a href="userServlet?action=logout">注销</a>&nbsp;&nbsp;
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</c:if>
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<a href="pages/cart/cart.jsp">购物车</a>

‎book/src/main/webapp/pages/order/order.jsp‎

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@@ -39,7 +39,7 @@
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<td>${order.createTime}</td>
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<td>${order.price}</td>
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<td>${order.status}</td>
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<td><a href="#">查看详情</a></td>
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<td><a href="orderServlet?action=showOrderDetail&orderId=${order.orderId}">查看详情</a></td>
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</tr>
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</c:forEach>
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‎book/src/main/webapp/pages/order/order_detail.jsp‎

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<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
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<%@ page contentType="text/html;charset=UTF-8" language="java" %>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>订单详情</title>
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<%-- 静态包含 base标签/css样式/jQuery文件 --%>
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<%@include file="/pages/common/head.jsp"%>
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<script type="text/javascript">
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$(function (){
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});
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</script>
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</head>
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<body>
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<div id="header">
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<img class="logo_img" alt="" src="static/img/logo.gif" >
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<span class="wel_word">订单详情</span>
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<%--静态包含 登录成功的菜单 --%>
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<%@include file="/pages/common/login_success_menu.jsp"%>
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</div>
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<div id="main">
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<table>
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<tr>
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<td>商品名称</td>
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<td>数量</td>
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<td>单价</td>
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<td>金额</td>
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</tr>
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<%-- session域里 有 cart购物车信息, 里面有个Map<Integer,CartItem> items ,用entry作为循环遍历,来遍历这个map --%>
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<c:forEach items="${requestScope.orderItems}" var="item">
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<tr>
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<td>${item.name}</td>
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<td>${item.count}</td>
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<td>${item.price}</td>
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<td>${item.totalPrice}</td>
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</tr>
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</c:forEach>
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</table>
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</div>
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<%-- 静态包含 页脚内容 --%>
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<%@include file="/pages/common/footer.jsp"%>
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</body>
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</html>

‎book/target/book-1.0-SNAPSHOT/WEB-INF/web.xml‎

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@@ -52,5 +52,24 @@
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<servlet-name>CartServlet</servlet-name>
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<url-pattern>/cartServlet</url-pattern>
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</servlet-mapping>
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<servlet>
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<servlet-name>OrderServlet</servlet-name>
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<servlet-class>com.atguigu.web.OrderServlet</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>OrderServlet</servlet-name>
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<url-pattern>/orderServlet</url-pattern>
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</servlet-mapping>
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<filter>
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<filter-name>ManagerFilter</filter-name>
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<filter-class>com.atguigu.filter.ManagerFilter</filter-class>
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</filter>
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<filter-mapping>
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<filter-name>ManagerFilter</filter-name>
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<url-pattern>/pages/manager/*</url-pattern>
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<!--不但要拦截 页面资源 ,还要拦截 Servlet访问路径-->
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<url-pattern>/manager/bookServlet</url-pattern>
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</filter-mapping>
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</web-app>

‎book/target/book-1.0-SNAPSHOT/pages/cart/cart.jsp‎

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<span class="cart_span">购物车中共有<span class="b_count">${sessionScope.cart.totalCount}</span>件商品</span>
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<span class="cart_span">总金额<span class="b_price">${sessionScope.cart.totalPrice}</span>元</span>
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<span class="cart_span"><a id="clearCart" href="cartServlet?action=clear">清空购物车</a></span>
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<span class="cart_span"><a href="pages/cart/checkout.jsp">去结账</a></span>
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<span class="cart_span"><a href="orderServlet?action=createOrder">去结账</a></span>
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</div>
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</c:if>
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</div>

‎book/target/book-1.0-SNAPSHOT/pages/cart/checkout.jsp‎

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<div id="main">
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<h1>你的订单已结算，订单号为2937474382928484747</h1>
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<h1>你的订单已结算，订单号为${sessionScope.orderId}</h1>
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</div>

‎book/target/book-1.0-SNAPSHOT/pages/client/index.jsp‎

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<%-- 如果登录了,则不用显示登录注册按钮 --%>
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<c:if test="${not empty sessionScope.user}">
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<span>欢迎<span class="um_span">${sessionScope.user.username}</span>光临尚硅谷书城</span>
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<a href="pages/order/order.jsp">我的订单</a>
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<a href="orderServlet?action=showMyOrders">我的订单</a>
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<a href="userServlet?action=logout">注销</a>&nbsp;&nbsp;
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</c:if>
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<a href="pages/cart/cart.jsp">购物车</a>

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