在上一个页面点击提交订单以后，交给GoMyOrderServlet处理
GoMyOrderServlet.java
public class GoMyOrderServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
//该servlet处理用户查看订单的请求
MyCart myCart=(MyCart)request.getSession().getAttribute("myCart");
ArrayList al=myCart.showMyCart();
float totalPrice=myCart.getTotalPrice();
request.setAttribute("orderinfo", al);
request.setAttribute("totalPrice", totalPrice);
//跳到显示我的订单的页面
request.getRequestDispatcher("/WEB-INF/showMyOrder.jsp").forward(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
this.doGet(request, response);
}
}
showMyOrder.jsp
<%@page import="com.wxh.service.MyCart"%>
<%@ page language="java" import="java.util.*,com.wxh.domain.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>" target="_blank" rel="external nofollow" >
<title>showMyOrder</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css" target="_blank" rel="external nofollow" >
-->
<script type="text/javascript">
function goSubmitOrder(){
window.location.href="/shopping/SubmitOrderServlet" target="_blank" rel="external nofollow" ;
}
</script>
</head>
<body style="text-align:center; margin:0 auto; ">
<h1>我的个人信息</h1>
<table style="border-collapse: collapse; width: 600px" align="center">
<tr><td colspan="2">用户个人信息</td></tr>
<tr><td>用户名:</td><td><%=((Users)session.getAttribute("loginUser")).getName() %></td></tr>
<tr><td>邮箱:</td><td><%=((Users)session.getAttribute("loginUser")).getEmail() %></td></tr>
<tr><td>用户级别：</td><td><%=((Users)session.getAttribute("loginUser")).getGrade() %></td></tr>
</table>
<br/>
<hr/>
<br/>
<table style="border-collapse: collapse; width: 600px" align="center">
<tr><th>BookID</th><th>书名</th><th>价格</th><th>出版社</th><th>数量</th></tr>
<%
//从request中取出要显示的商品信息
ArrayList al=(ArrayList)request.getAttribute("orderinfo");
for(int i=0;i<al.size();i++){
Book book=(Book)al.get(i);
%>
<tr><td><%=book.getId() %><input type="hidden" name="id" value="<%=book.getId() %>"/></td><td><%=book.getName()%></td><td><%=book.getPrice() %></td>
<td><%=book.getPublishHouse() %></td><td><%=book.getShoppingNum()%>本</td></tr>
<%
}
%>
<td colspan="5">总价格： <%=request.getAttribute("totalPrice")%></td>
<tr><td colspan="1"><input type="button" οnclick="goSubmitOrder()" value="提交订单"></td>
<td colspan="4"><a href="/shopping/GoHallUI?id=<%=((Users)session.getAttribute(" target="_blank" rel="external nofollow" loginUser")).getId()%>&&password=<%=((Users)session.getAttribute("loginUser")).getPwd()%>">返回购物大厅</a></td></tr>
</table>
</body>
</html>
点击提交订单后交给SubmitOrderServlet处理。
——摘自《韩顺平细说jsp》
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