bookshowcart.jsp

jsp 应用开发技术光盘 是《jsp应用开发技术》这本书的源代码

<jsp:useBean id="cart" class="cart.ShoppingCart" scope="session"/>

<sql:setDataSource driver="com.mysql.jdbc.Driver" 
url="jdbc:mysql://localhost/bookstore?user=lyp&password=pwd&useUnicode=true&characterEncoding=gb2312"/>

<c:if test="${param.Clear == 'clear'}">
    <% cart.clear(); %>
    	<font color="red" size="+2"><strong> 
    	<fmt:message key="CartCleared"/> 
    	</strong></font>
    	<br><br>
</c:if>


<c:if test="${param.Remove != '0'}">
    <c:set var="bookId" value="${param.Remove}"/>
    <jsp:useBean id="bookId" type="java.lang.String" />
    <% cart.remove(bookId); %>

    <sql:query var="books">
      	select * from books where id = ?
      	<sql:param value="${bookId}" />
    </sql:query>

    <c:forEach var="book" begin="0" items="${books.rows}">
    	<font color="red" size="+2">
			<fmt:message key="CartRemoved"/><em>${book.title}</em>.
		</font>	
    </c:forEach> 
    <br><br>     
</c:if>

<c:if test="${sessionScope.cart.numberOfItems > 0}"> 
    <font size="+2">
	<fmt:message key="CartContents"/>
    ${sessionScope.cart.numberOfItems}
    <c:if test="${sessionScope.cart.numberOfItems == 1}"> 
      <fmt:message key="CartItem"/>.
    </c:if>
    <c:if test="${sessionScope.cart.numberOfItems > 1}"> 
    	<fmt:message key="CartItems"/>.
    </c:if>
    </font>
    <br>

  <table> 
    <tr> 
    	<th align=left><fmt:message key="ItemQuantity"/></TH> 
    	<th align=left><fmt:message key="ItemTitle"/></TH> 
    	<th align=left><fmt:message key="ItemPrice"/></TH> 
    </tr>

    <c:forEach var="item" items="${sessionScope.cart.items}">
    	<c:set var="book" value="${item.item}" />

     <tr> 
        <td align="right" bgcolor="#ffffff"> 
        	${item.quantity}
        </td>
        <td bgcolor="#ffffaa"> 
        	<c:url var="url" value="/bookdetails" >
          		<c:param name="bookId" value="${book.bookId}" />
      			<c:param name="Clear" value="0" />
        	</c:url>
        	<a href="${url}"><b>${book.title}</b></a>
        </td> 

        <td bgcolor="#ffffaa" align="right"> 
        	<fmt:formatNumber value="${book.price}" type="currency"/>
        </td> 

        <td bgcolor="#ffffaa"> 
        	<c:url var="url" value="/bookshowcart" >
          		<c:param name="Remove" value="${book.bookId}" />
        	</c:url>
       		<a href="${url}"><b><fmt:message key="RemoveItem"/></b></a> 
        </td>
      </tr>
  	</c:forEach>

      <tr>
      	<td colspan="5" bgcolor="#ffffff"> 
    	</td>
      </tr> 

      <tr> 
    	<td colspan="2" align="right" bgcolor="#ffffff"> 
    		<fmt:message key="Subtotal"/>
		</td> 
    	<td bgcolor="#ffffaa" align="right"> 
    		<fmt:formatNumber value="${sessionScope.cart.total}" type="currency"/>
    	</td>
    	<td></td>
    	</tr>
  </table> 

    <br>
    <c:url var="url" value="/bookcatalog" >
      	<c:param name="Add" value="" />
    </c:url>
    <a href="${url}"><b><fmt:message key="ContinueShopping"/></b></a>&nbsp;&nbsp;&nbsp;  
    
	<c:url var="url" value="/bookcashier" />
    <a href="${url}"><b><fmt:message key="Checkout"/></b></a>&nbsp;&nbsp;&nbsp;
     
    <c:url var="url" value="/bookshowcart" >
      <c:param name="Clear" value="clear" />
      <c:param name="Remove" value="0" />
    </c:url>
    <a href="${url}"/><b><fmt:message key="ClearCart"/></b></a><
</c:if>

<c:if test="${sessionScope.cart.numberOfItems <= 0}"> 
    <font size="+2"><fmt:message key="CartEmpty"/></font> 
    <br><br> 
    <c:url var="url" value="/bookcatalog" >
      <c:param name="Add" value="" />
    </c:url>
    <strong><a href="${url}"><fmt:message key="Catalog"/></a></strong>
</c:if>

</body>
</html>