购物车网站的自定义框架实现

首先要收一下这个自定义框架，是别人实现的，适合初学者使用，仿照Struts的框架原理，将servlet的访问通过类反射全部封装了，不需要向上一个图书管理项目那样写servlet了，框架就是源码里org包下的内容，完全可以打成jar文件使用，这里我提供了源文件，框架的功能很强大，有需要的自己去下载学习啦

所以的环境同上一个图书管理项目一样，支持自动建表

框架的使用可以参考视频：http://v.youku.com/v_show/id_XMTQzMjc4Njk5Ng==.html

框架的讲解可以参考视频：http://v.youku.com/v_show/id_XMTQzMjc4NjA3Mg==.html

单独的框架：http://download.csdn.net/detail/i_do_can/9386767

购物车项目：

需求分析：

在使用框架之前，需要配置几个地方，本项目使用proxool连接池。配置连接池XML文件

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE proxool>

<proxool>
	<alias>shop_nxf</alias> <!--数据源的别名 -->
	<driver-url>jdbc:mysql://localhost/shop_nxf?characterEncoding=UTF8</driver-url><!--url连接串 -->
	<driver-class>com.mysql.jdbc.Driver</driver-class> <!--驱动类 -->
	<driver-properties>
		<property name="user" value="root" /> <!--用户名 -->
		<property name="password" value="" /><!--密码 -->
	</driver-properties>
	<maximum-connection-count>100</maximum-connection-count>
	<minimum-connection-count>10</minimum-connection-count>
	<house-keeping-sleep-time>90000</house-keeping-sleep-time>
	<maximum-new-connections>10</maximum-new-connections>
	<prototype-count>5</prototype-count>
	<test-before-use>true</test-before-use>
	<house-keeping-test-sql>select 1</house-keeping-test-sql>
</proxool>  

使用框架也是需要配XML 文件的 appconfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE app-config>

<app-config>
    <!-- action包 -->
	<package>com.cl.homework.action</package>
	<!-- 后缀 -->
	<suffix>Action</suffix>
	<!-- 别名 -->
	<!-- proxool.xml 中定义 -->
	<alials>proxool.shop_nxf</alials>
	<pagesize>5</pagesize>
	<pagefull>full</pagefull>
	<ddlauto>create</ddlauto>

</app-config>

这里的参数参考：appconfig.dtd

  <!ELEMENT app-config (package,suffix?,parameter?,alials?,pagesize?,pagefull?,ddlauto?,driver?,url?,user?,password?)>  
  <!ELEMENT package   (#PCDATA)>
  <!ELEMENT suffix    (#PCDATA)>
  <!ELEMENT parameter (#PCDATA)>
  <!ELEMENT alials 	  (#PCDATA)>
  <!ELEMENT pagesize  (#PCDATA)>
  <!ELEMENT pagefull  (#PCDATA)>
  <!ELEMENT ddlauto   (#PCDATA)>
  <!ELEMENT driver    (#PCDATA)>
  <!ELEMENT url       (#PCDATA)>
  <!ELEMENT user      (#PCDATA)>
  <!ELEMENT password  (#PCDATA)>

再就是配置web.xml文件了,过滤器也是框架提供好的

 <servlet>
    <servlet-name>ServletConfigurator</servlet-name>
    <servlet-class>org.logicalcobwebs.proxool.configuration.ServletConfigurator</servlet-class>
    <init-param>
      <param-name>xmlFile</param-name>
      <param-value>WEB-INF/proxool.xml</param-value>
    </init-param>
    <load-on-startup>0</load-on-startup>
  </servlet>
<pre name="code" class="java"><!-- 自定义框架-->

<servlet> <servlet-name>RoadMap</servlet-name> <servlet-class>org.nxf.frame.RoadMap</servlet-class> <init-param> <param-name>xmlFile</param-name> <param-value>appconfig.xml</param-value> </init-param> <load-on-startup>0</load-on-startup> </servlet> <servlet-mapping> <servlet-name>RoadMap</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> <!-- 中文过滤器 --> <filter> <filter-name>EncodingFilter</filter-name> <filter-class>org.nxf.frame.util.EncodeFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>EncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>

配置晚这些就可以新建包啦，看看包结构

不知是否还记得上一篇说的三层结构，这里使用了框架，这三层也是不能少的 ，框架把数据库的连接以及CRUD，servlet层都做好了

bean是存放实体类的，dao 和 service是由于后面需要多表操作
下面分模块对这个项目进行讲解：

1.商品显示模块-分页显示所有的商品

ProductAction：

public ProductAction() {
		//父类提供的方法     表名，类名
		this.setService(new Service("tbl_product","com.cl.homework.bean.Product"));
		//jsp文件的地方
		this.setDir("product");
	}

	public void PageQueryProduct(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		page(request, response);
	}

page是框架提供的，框架功能很强大，但是有一些小问题，我也是边用边修改的

public void page(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String strp = request.getParameter("p");
		String name = request.getParameter("name");
		
		int p = 1;
		if(strp!=null){
			p = Integer.parseInt(strp);
		}
		Pages pages =Pages.getInstance();
		if (service != null) {
			
			pages.setCurrentPage(p);
			
			pages.setUrl(ContextConfig.redirect+"?"+ContextConfig.parameter+"=page");
			
			if(name != null){
				//通过名字查询
				list = service.getPage(name,(p-1)*pages.getPageSize());
				pages.setTotalRow(service.getRecordTotal(name));
			}else{
				pages.setTotalRow(service.getRecordTotal());
				list = service.getPage((p-1)*pages.getPageSize());
			}
			
			String strPage = "";
			if(ContextConfig.pagefull.equals("full")){
				strPage = pages.getLoopPage();
			}else{
				strPage = pages.getPageStr();
			}
			request.setAttribute("list", list);
			request.setAttribute("pageText",strPage);
		}
		if (dir != null){
			request.getRequestDispatcher(dir + "/list.jsp").forward(request,response);
		}
	}

jsp页面：

<c:forEach items="${list}" var="p" varStatus="vs">
		<tr>
			<td class=tablebody2 valign=middle align=center>${vs.count }</td>
			<td class=tablebody1 valign=middle align="center">
				<a href="product.do?a=ViewProduct&productid=${p.productid}">${p.name }</a>
			</td>
			<td class=tablebody2 valign=middle align=center>${p.baseprice }</td>
			<td class=tablebody1 valign=middle align=center>
				<a href="product.do?a=AddCart&productid=${p.productid}"><img border="0" src="images/car_new.gif"></a> 
			</td>
		</tr>
	</c:forEach>

想要使用分页，页面只要加一个参数就好了

<center>${pageText }</center>

2.商品显示模块-查看单个商品

<span style="white-space:pre">		</span>String id = request.getParameter("productid");
		Product p = (Product) service.getOne("productid",Integer.valueOf(id));
		request.setAttribute("p", p);
		request.getRequestDispatcher("product/viewProduct.jsp").forward(request, response);

<span style="white-space:pre">	</span><table cellpadding=3 cellspacing=1 align=center class=tableborder1>
		<tr>
			<td valign=middle align=center height=25 background="images/bg2.gif" colspan="2">
				<p><font color="white"><b>${p.name }</b></font>
			</td>
		</tr>
		<tr>
			<td class=tablebody1 valign=middle align=center width="20%">【作  者 】</td>
			<td class=tablebody1 valign=middle width="80%">${p.writer }</td>
		</tr>
		<tr>
			<td class=tablebody1 valign=middle align=center width="20%">【价  格 】</td>
			<td class=tablebody1 valign=middle width="80%">${p.baseprice }</td>
		</tr>
		<tr>
			<td class=tablebody1 valign=middle align=center width="">【出 版 社】</td>
			<td class=tablebody1 valign=middle width="">${p.publish }</td>
		</tr>
		<tr>
			<td class=tablebody1 valign=middle align=center width="">【 页  数】</td>
			<td class=tablebody1 valign=middle width="">${p.pages }</td>
		</tr>
		<tr>
			<td class=tablebody1 align=center width="" valign="top">【 简  介】</td>
			<td class=tablebody1 valign=middle width="">${p.description }</td>
		</tr>
		<tr>
			<td class=tablebody1 valign=middle align=center >【 封  面】</td>
			<td class=tablebody1 valign=middle width="">  <img border="0" src="${p.images }" width="127" height="180"></td>
		</tr>
		<tr>
			<td class=tablebody2 valign=middle align=center colspan="2">
				<a href="product.do?a=AddCart&productid=${p.productid}">
					<img border="0" src="images/buycar.gif" width="92" height="21">
				</a> 
			</td>
		</tr>
	</table>

3.商品显示模块-搜索商品

这个在查看所有商品里已经做好了，我那边传了一个参数过去，name ,商品的名称，

jsp只需要做一个搜索框就好了

<script type="text/javascript">	
	
	 function search() {
		var name = document.getElementById("name").value;
		if(name != ""){
			location.href = "product.do?a=PageQueryProduct&name=" + name;
		}
	} 
</script>

 商品名称：<input type="text" id="name" value="${name}"/>     
<input type="button" value="搜索" onclick="search()"/>

4.用户模块-新用户注册，用户修改注册信息：

写个jsp:

<table cellpadding="3" cellspacing="1" align="center" class="tableborder1" id="table1">
		<tr>
			<td valign="middle" colspan="2" align="center" height="25" background="images/bg2.gif">
			<font color="white"><b>用户信息修改</b></font></td>
		</tr>
		<tr>
			<td width="40%" class="tablebody1"><b>用户名</b>：<br>
			注册用户名长度限制为0－16字节</td>
			<td width="60%" class="tablebody1">
			<input maxLength="8" size="32"  name="username" value="${user.username}" readonly="readonly" style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			<font color="#FF0000">*</font></td>
		</tr>
		<tr>
			<td width="40%" class="tablebody1"><b>密码(至少6位，至多8位)</b>：<br>
			请输入密码，区分大小写。<br>
			请不要使用任何类似 \'*\'、\' \' 或 HTML 字符'
			</td>
			<td width="60%" class="tablebody1">
			<input type="password" maxLength="8" size="32" name="password"  value="${user.password }" style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			<font color="#FF0000">*</font></td>
		</tr>
		<tr>
			<td width="40%" class="tablebody1"><b>密码(至少6位，至多8位)</b>：<br>
			请再输一遍确认</td>
			<td class="tablebody1">
			<input type="password" maxLength="8" size="32" name="password2" value="${user.password }" style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			<font color="#FF0000">*</font></td>
		</tr>
		<tr>
			<td class="tablebody1"><b>真实姓名</b>：</td>
			<td class="tablebody1">
				<input type="text" size="64" maxlength="32" name="truename" value="${user.truename }"  style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			</td>
		</tr>
		<tr>
			<td class="tablebody1"><b>所在地区</b>：</td>
			<td class="tablebody1">
				<input type="text" size="64" maxlength="32" name="city" value="${user.city }" style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			</td>
		</tr>
		<tr>
			<td class="tablebody1"><b>联系地址1</b>：</td>
			<td class="tablebody1">
			<input type="text" size="64" maxlength="32" name="street1" value="${user.street1 }" style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			</td>
		</tr>
		<tr>
			<td class="tablebody1"><b>联系地址2</b>：</td>
			<td class="tablebody1">
			<input type="text" size="64" maxlength="32" name="street2" value="${user.street2 }" style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			</td>
		</tr>
		<tr>
			<td class="tablebody1"><b>邮编</b>：</td>
			<td class="tablebody1">
			<input type="text" size="32" maxlength="8" name="zip" value="${user.zip }" style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			</td>
		</tr>
		<tr>
			<td class="tablebody1"><b>家庭电话</b>：</td>
			<td class="tablebody1">
			<input type="text" size="32" maxlength="16" name="homephone" value="${user.homephone }" style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			</td>
		</tr>
		<tr>
			<td class="tablebody1"><b>办公室电话</b>：</td>
			<td class="tablebody1">
			<input type="text" size="32" maxlength="16" name="officephone" value="${user.officephone }" style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			</td>
		</tr>
		<tr>
			<td class="tablebody1"><b>手机</b>：</td>
			<td class="tablebody1">
			<input type="text" size="32" maxlength="16" name="cellphone" value="${user.cellphone }" style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			</td>
		</tr>
		<tr>
			<td class="tablebody1"><b>Email地址</b>：<br>
			请输入有效的邮件地址</td>
			<td class="tablebody1">
				<input maxLength="50" size="32" maxlength="32" name="email" value="${user.email }" style="font-family: Tahoma,Verdana,宋体; font-size: 12px; line-height: 15px; color: #000000">
			</td>
		</tr>
		<tr>
			<td class="tablebody2" valign="middle" colspan="2" align="center">
				<input type="submit" value="确定">   
			</td>
		</tr>
	</table>

UserAction:这里把新增和修改写在一起了，区别就是修改有id而新增没有

public void RigisterUpdateUser(HttpServletRequest request, HttpServletResponse response)
			throws IOException, ServletException {
		
		String userid = request.getParameter("userid")==null?"":request.getParameter("userid").trim();
		String username = request.getParameter("username")==null?"":request.getParameter("username").trim();
		String password = request.getParameter("password")==null?"":request.getParameter("password").trim();
		String street1 = request.getParameter("street1")==null?"":request.getParameter("street1").trim();;
		String street2 = request.getParameter("street2")==null?"":request.getParameter("street2").trim();
		String city = request.getParameter("city")==null?"":request.getParameter("city").trim();
		String zip = request.getParameter("zip")==null?"":request.getParameter("zip").trim();
		String email = request.getParameter("email")==null?"":request.getParameter("email").trim();
		String homephone = request.getParameter("homephone")==null?"":request.getParameter("homephone").trim();
		String cellphone = request.getParameter("cellphone")==null?"":request.getParameter("cellphone").trim();
		String officephone = request.getParameter("officephone")==null?"":request.getParameter("officephone").trim();
		String truename = request.getParameter("truename")==null?"":request.getParameter("truename").trim();
		User user = new User();
		user.setUsername(username);
		user.setStreet1(street1);
		user.setStreet2(street2);
		user.setCity(city);
		user.setZip(zip);
		user.setEmail(email);
		user.setHomephone(homephone);
		user.setCellphone(cellphone);
		user.setOfficephone(officephone);
		user.setTruename(truename);
		
		HttpSession session = request.getSession();
		//注册
		if(userid.equals("")) {
			user.setPassword(password);		
		}else {
			//修改密码
			User sessionUser = (User)session.getAttribute("user");
			if(!password.equals(sessionUser.getPassword())) {
				user.setPassword(password);
			}else {
				user.setPassword(password);
			}
			user.setUserid(Integer.valueOf(userid));
		}
		service.save(user);
		session.setAttribute("user", user);
		request.getRequestDispatcher("product.do?a=PageQueryProduct").forward(request, response);
		
	}

5.用户模块-用户登陆：

jsp:

<table cellpadding=3 cellspacing=1 align=center class=tableborder1>
		<tr>
			<td valign=middle colspan=2 align=center height=25 background="images/bg2.gif" >
				<font color="white"><b>输入您的用户名、密码登录</b></font>
			</td>
		</tr>
		<tr>
		<td valign=middle class=tablebody1>请输入您的用户名</td>
			<td valign=middle class=tablebody1><INPUT name=username type=text>
				<a href="register.jsp">没有注册？</a>
				<font color="red">${message}</font>
			</td>
		</tr>
		<tr>
			<td valign=middle class=tablebody1>请输入您的密码</td>
			<td valign=middle class=tablebody1>
				<INPUT name=password type=password> 
			</td>
		</tr>
		<tr>
			<td class=tablebody2 valign=middle colspan=2 align=center>
				<input type="submit" value="登 录">
			</td>
		</tr>
	</table>

<span style="white-space:pre">	</span>public void Login(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String username = request.getParameter("username").trim();
		String password = request.getParameter("password").trim();
	
		User user = (User) service.getOneByName(username);
		
		HttpSession session = request.getSession();

		//用户名不存在
		if(user!=null &&user.getUsername()!=null && password.equals(user.getPassword())) {
			//登陆成功，密码是加密后的，去注册修改servlet
			session.setAttribute("user", user);
			request.getRequestDispatcher("product.do?a=PageQueryProduct").forward(request, response);
		}else {
			request.setAttribute("message", "用户名或密码不对");
			request.getRequestDispatcher("/login.jsp").forward(request, response);
		}
		
	}

6.用户模块-用户登出：

登陆的用户是存在session里的，登出就是从session里移除，我这里是因为后面购物车也是放在session里的，所以退出时要把购物车也清空

public void LogOut(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		HttpSession session = request.getSession();
		
		if(session.getAttribute("user")!=null) {
			//用户已登陆
			session.removeAttribute("user");
			session.removeAttribute("cartList");
			session.removeAttribute("sum");
			request.getRequestDispatcher("product.do?a=PageQueryProduct").forward(request, response);
		}else {
			//用户未登录
			request.setAttribute("message", "请先登陆");
			request.getRequestDispatcher("/login.jsp").forward(request, response);
		}
	}

7.购物车-加入商品到购物车

public void AddCart(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String productid = request.getParameter("productid");

		//查出货品的信息，service是null，所以提供表明，id字段
		Product p = (Product) service.getOne("productid",Integer.valueOf(productid));
		
		HttpSession session = request.getSession();
		//未登录时，不可以操作购物车
		if(session.getAttribute("user")==null) {
			request.setAttribute("message", "请先登录");
			request.getRequestDispatcher("login.jsp").forward(request, response);
		}else {
			List<Cart> cartList = (List<Cart>)session.getAttribute("cartList");
			Cart cart = new Cart();
			cart.setProductid(Integer.valueOf(productid));
			cart.setProductName(p.getName());
			cart.setBaseprice(p.getBaseprice());
			//数量、总价
			if(cartList==null) {
				//购物车为空
				cart.setCount(1);
				cart.setAmount(cart.getBaseprice() * cart.getCount());
				cartList = new ArrayList<Cart>();
				cartList.add(cart);
			}else {
				//flag标记是否在购物车里出现
				boolean flag = true;
				for(int i=0;i<cartList.size();i++) {
					Cart c = cartList.get(i);
					//判断商品是否在购物车里
					if(c.getProductid() == Integer.parseInt(productid)) {
						flag = false;
						//购物车里商品数量 +1
						c.setCount(c.getCount() + 1);
						c.setAmount(c.getBaseprice() * c.getCount());
					}
				}
				if(flag) {
					cart.setCount(1);
					cart.setAmount(cart.getBaseprice() * cart.getCount());
					cartList.add(cart);
				}
			}
			double sum = 0;
			for(int i=0;i<cartList.size();i++) {
				Cart c = cartList.get(i);
				sum = sum + c.getAmount();
			}
			session.setAttribute("sum", sum);
			session.setAttribute("cartList", cartList);
			request.getRequestDispatcher("cart/cart.jsp").forward(request, response);
		}
	}

这段代码有些算法在里面，首先肯定是判断用户登陆没，只有登陆了才可以做这些操作

然后看购物车里有没有商品，购物车为空时直接添加到购物车，购物车里有商品时，取出判断，新添加的是否已在购物车，如果不在购物车就新增，否则是修改商品数量，

继而修改购物车总价。

8.购物车-从购物车中移除

这是就是对session里的值操作

首先要知道移除哪一个，即商品购物车list的序号

/*购物车是对session操作*/

	public void RemoveOrClearCart(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String count = request.getParameter("count");
		HttpSession session = request.getSession();
		if(count!=null) {
			//count 为 该商品在list里的 id（序号）
			List<Cart> cartList = (List<Cart>)session.getAttribute("cartList");
			//从购物车中删除
			cartList.remove(Integer.parseInt(count)-1);
			double sum = 0;
			for(int i=0;i<cartList.size();i++) {
				Cart c = cartList.get(i);
				sum = sum + c.getAmount();
			}
			session.setAttribute("sum", sum);
			session.setAttribute("cartList", cartList);
		}else {
			//清空
			session.removeAttribute("cartList");
			session.removeAttribute("sum");
		}
		request.getRequestDispatcher("cart/cart.jsp").forward(request, response);
	}

9.购物车-修改商品数量

<span style="white-space:pre">	</span>public void UpdateCart(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		int count = Integer.parseInt(request.getParameter("count"));
		int v = Integer.parseInt(request.getParameter("v"));
		//v: id（在list里的序号）   count : 数量
		HttpSession session = request.getSession();
		List<Cart> cartList = (List<Cart>)session.getAttribute("cartList");
		Cart cart = cartList.get(v-1);
		cart.setCount(count);
		cart.setAmount(cart.getBaseprice() * cart.getCount());
		double sum = 0;
		for(int i=0;i<cartList.size();i++) {
			Cart c = cartList.get(i);
			sum = sum + c.getAmount();
		}
		session.setAttribute("sum", sum);
		session.setAttribute("cartList", cartList);
		request.getRequestDispatcher("cart/cart.jsp").forward(request, response);
	}

10.购物车-提交订单并显示订单信息

这个不是提交订单，而是把提交订单之前的确认信息，看看jsp页面

<form id="order" method="post" action="order.do?a=OrderSubmit"/>
	<table cellpadding="3" cellspacing="1" align="center" class="tableborder1" id="table1">
		<tr>
			<td valign="middle" colspan="2" align="center" height="25" background="images/bg2.gif">
				<font color="white"><b>用户信息</b></font>
				<input type="button" value="修改" onclick="modifyUser()">
			</td>
		</tr>
		<tr>
			<td width="40%" class="tablebody2" align="right"><b>用户名</b>：</td>
			<td width="60%" class="tablebody1">${user.username}</td>
		</tr>
		<tr>
			<td class="tablebody2" align="right"><b>联系地址</b>：</td>
			<td class="tablebody1">${user.street1}</td>
		</tr>
		<tr>
			<td class="tablebody2" align="right"><b>邮编</b>：</td>
			<td class="tablebody1">${user.zip}</td>
		</tr>
		<tr>
			<td class="tablebody2" align="right"><b>家庭电话</b>：</td>
			<td class="tablebody1">${user.homephone}</td>
		</tr>
		<tr>
			<td class="tablebody2" align="right"><b>办公室电话</b>：</td>
			<td class="tablebody1">${user.officephone}</td>
		</tr>
		<tr>
			<td class="tablebody2" align="right"><b>手机</b>：</td>
			<td class="tablebody1">${user.cellphone}</td>
		</tr>
		<tr>
			<td class="tablebody2" align="right"><b>Email地址</b>：</td>
			<td class="tablebody1">${user.email}</td>
		</tr>
	</table>
	<br>
	<table cellpadding="3" cellspacing="1" align="center" class="tableborder1" id="table2">
		<tr>
			<td valign="middle" colspan="2" align="center" height="25" background="images/bg2.gif">
			<font color="white"><b>付款方式</b></font></td>
		</tr>
		<tr>
			<td width="40%" class="tablebody2" align="right">　</td>
			<td width="60%" class="tablebody1">
	            <select name="payType">
	              
	              	<option value="邮局汇款 ">邮局汇款 </option>
	            	
	              	<option value="货到付款">货到付款</option>
	            	
	              	<option value="银行转帐">银行转帐</option>
	            	
	            </select>
	        </td>
		</tr>
	</table>
	<br>
	<table cellpadding=3 cellspacing=1 align=center class=tableborder1 id="table3">
		<tr>
			<td valign=middle align=center height=25 background="images/bg2.gif" colspan="5">
				<font color="white"><b>商品购物清单</b></font>
				<input type="button" value="修改" onclick="modifyCart()">
			</td>
		</tr>
		<c:forEach items="${cartList}" var="c" varStatus="vs">
			<tr>
				<td class=tablebody2 valign=middle align=center width="">${vs.count}</td>
				<td class=tablebody1 valign=middle width="">
					<a href="ViewProductServlet?productid=${c.productid}" target="_blank">${c.productName}</a>
				</td>
				<td class=tablebody2 valign=middle align=center width="">价格：${c.baseprice}</td>
				<td class=tablebody1 valign=middle align=center width="">数量：${c.count}</td>
				<td class=tablebody2 valign=middle align=left width="">小计：￥${c.amount}</td>
			</tr>
		</c:forEach>
		
		              
		<tr>
			<td class=tablebody1 valign=middle align=center colspan="4">　</td>
			<td class=tablebody1 valign=middle align=left width="">合计：<font color="red"><b>￥${sum}</b></font></td>
		</tr>
	</table>
	<p align="center">请认真检查以上订单信息，确认无误后，点击 → <a href="javascript:orderSubmit()" style="cursor:hand"><img src="images/submit.gif"></a>
</form>

11.订单-修改订单信息

就是回到购物车界面，修改购物车，

12.订单-用户确认后生成正式订单

以上的全部都是单表，这里会涉及两个表，订单表和订单明显表

由于是使用了框架，所以直接新建了dao ,service

OrderDao：

public class OrderDao extends DAO{

	public OrderDao(String table, String className) {
		super( table, className);
	}
}

OrderDetailDao：

public class OrderDetailDao extends DAO{

	public OrderDetailDao(String table, String className) {
		super(table,className);
	}
}

Service：

public class Service extends AbstractService{

	private OrderDao orderDao ;
	private OrderDetailDao detailDao ;
	public Service(String table_name, String bean_name) {
		super(table_name, bean_name);
		// TODO Auto-generated constructor stub
	}
	public Service() {
		orderDao = new OrderDao("tbl_order","com.cl.homework.bean.Order");
		detailDao = new OrderDetailDao("tbl_orderdetail","com.cl.homework.bean.OrderDetail");
	}
	
	
	public void insertOrderAndDetail(double cost, String payType, Integer userid, List<Cart> cartList) {

		try {
//			//事务控制 id自动生成的，这地方有些问题
//			orderDao.getConn().setAutoCommit(false);
			//插入order表
			Order o = new Order();
			
			o.setCost(cost);
			o.setPayType(payType);
			o.setUserid(userid);
			o.setTime(new Date());
			orderDao.insert(o);
			int id = orderDao.getLast_insert_id();
			//插入orderdetail表
			for(int i=0;i<cartList.size();i++) {
				OrderDetail od = new OrderDetail();
				
				od.setOrderid(id);
				od.setProductid(cartList.get(i).getProductid());
				od.setProductname(cartList.get(i).getProductName());
				od.setBaseprice(cartList.get(i).getBaseprice());
				od.setNum(cartList.get(i).getCount());
				detailDao.insert(od);
			}
//			orderDao.getConn().commit();
		} catch (Exception e) {
			e.printStackTrace();
			
		}
	}

	public List<Order> queryOrderByUserid(Integer userid) throws SQLException {
		List<Object> List;
		List<Order> orderList = new ArrayList<Order>();
		try {
			List = orderDao.select(" userid = " + userid);
			
			for(int i = 0 ; i <List.size();i ++){
				Order o = (Order) List.get(i);
				orderList.add(o);
			}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		return orderList;
	}
	
	public List<OrderDetail> queryDetailByOrderid(String orderid)
			throws SQLException {
		List<Object> param;
		List<OrderDetail> detailList = new ArrayList<OrderDetail>();
		try {
			param = detailDao.select(" orderid = " + orderid);
			
			for(int i = 0 ; i <param.size();i ++){
				OrderDetail o = (OrderDetail) param.get(i);
				detailList.add(o);
			}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		
		return detailList;
	}
	@Override
	public Object getOne(String tablename, String idname, Integer id) {
		// TODO Auto-generated method stub
		return null;
	}
}

遗憾的地方就是事务控制没有搞出来，主要问题是id主键是自动生成的，而不提交后面是查不出来新增的那个订单id的

public void OrderSubmit(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String payType = request.getParameter("payType");
		HttpSession session = request.getSession();
		User user = (User)session.getAttribute("user");
		double cost = Double.valueOf(session.getAttribute("sum").toString());
		List<Cart> cartList = (List<Cart>)session.getAttribute("cartList");
		
		Service orderService = new Service();
		orderService.insertOrderAndDetail(cost, payType, user.getUserid(), cartList);
		session.removeAttribute("cartList");
		session.removeAttribute("sum");
		ViewOrder(request, response);
	}

13.订单-用户查看历史订单

方法都在上面的service里写好了

<span style="white-space:pre">	</span>public void ViewOrder(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		HttpSession session = request.getSession();
		Service orderService = new Service();
		if(session.getAttribute("user")==null) {
			request.setAttribute("message", "login");
			request.getRequestDispatcher("login.jsp").forward(request, response);
		}else {
			User user = (User)session.getAttribute("user");
			List<Order> orderList = null;
			try {
				orderList = orderService.queryOrderByUserid(user.getUserid());
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			request.setAttribute("orderList", orderList);
			request.getRequestDispatcher("order/viewOrder.jsp").forward(request, response);
		}
	}
	public void OrderDetail(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String orderid = request.getParameter("orderid");
		Service detailService = new Service();
		List<OrderDetail> detailList = null;
		try {
			detailList = detailService.queryDetailByOrderid(orderid);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		request.setAttribute("detailList", detailList);
		request.getRequestDispatcher("order/orderDetailList.jsp").forward(request, response);
	}

最后，写的登陆界面忘了加验证码了，这里加上，框架里都提供好了

jsp页面:

<span style="white-space:pre">	</span><tr>
		<td valign=middle class=tablebody1>请输入验证码</td>
		<td valign=middle class=tablebody1>
			<INPUT name=verifycode >
			<!-- 点击刷新验证码 -->
			<img alt="请点击刷新验证码" src="user.do?a=verifycode&Math.random()" onclick="this.src='user.do?a=verifycode&' + Math.random();">
		</td>
	</tr>

useraction里登陆部分加个验证码判断即可

<span style="white-space:pre">	</span>String verifycode = request.getParameter("verifycode").trim();
	
	HttpSession session = request.getSession();
	String VerifyCode  = session.getAttribute("VerifyCode").toString();
	if(!VerifyCode.equalsIgnoreCase(verifycode)){
		request.setAttribute("message", "验证码不对");
		request.getRequestDispatcher("/login.jsp").forward(request, response);
	}

OK，就这些了。

有需要的可以自行下载源码扩展

为什么需要 1 分，首先申明我不是缺这一分，是担心有人瞎下载源码，用作其他用途，所以加了限制，但是又不会需要你太多分

如果你需要，但是有没有分，可以私信我，或者：[email protected]，不一定及时回复哦！

附件：

项目的完整源码:http://download.csdn.net/detail/i_do_can/9386606