package com.rjxy.book.web;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.rjxy.book.entity.Books;
import com.rjxy.book.entity.ShopCart;
public class ShowCart extends HttpServlet {
/**
* Constructor of the object.
*/
public ShowCart() {
super();
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
/**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
HttpSession session=request.getSession();
ShopCart cart=(ShopCart)session.getAttribute("shopcart");
List books=null;
if(cart==null||(books=cart.getAllBookFromCart())==null){
out.println("<h2>您目前没有购买任何产品</h2>");
out.println("<a href=\""+response.encodeURL("List.jsp")+"\"></a>");
}else{
Iterator it=books.iterator();
out.println("<html>");
out.println("<body>");
out.println("<h1>您目前购买的产品是：</h1>");
out.println("<table>");
out.println("<tr><td>书名</td><td>价格</td><td>图片</td><td>操作</td></tr>");
while(it.hasNext()){
Books book=(Books)it.next();
out.println("<tr><td>"+book.getBookName() +"</td>");
out.println("<td>"+book.getPrice() +"</td>");
out.println("<td><img src=\"images\\"+book.getImages()+"\"</td>");
out.println("<td><a href=\""+response.encodeURL("Shopping?action=remove&removeId=")+book.getBid()+"\">删除</a>");
}
out.println("</table");
out.println("购物车的总价格为："+cart.getTotalPrice());
out.println("<\br><a href=\""+response.encodeURL("List.jsp") +"\">图书显示页</a>");
out.println("</body>");
out.println("</html>");
}
out.flush();
out.close();
}
/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request,response);
}
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occurs
*/
public void init() throws ServletException {
// Put your code here
}
}
用购物车，Servlet的基本原理，Ajax增强用户体验
需积分: 10 191 浏览量
2011-05-17
19:52:12
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收藏 126KB RAR 举报
网上书城.rar （59个子文件） 
网上书城 src com rjxy books dao 
BooksDao.java 272B book entity Books.java 1KB Users.java 1022B ShopCart.java 1KB dao impl BooksDaoImpl.java 3KB BaseDao.java 729B UsersDao.java 2KB web UsersUm.java 2KB ShowCart.java 3KB UsersIm.java 3KB Shopping.java 3KB .classpath 400B .mymetadata 279B .settings org.eclipse.wst.jsdt.ui.superType.container 49B org.eclipse.wst.jsdt.ui.superType.name 6B .jsdtscope 500B org.eclipse.jdt.core.prefs 629B .myeclipse .project 1KB WebRoot META-INF MANIFEST.MF 36B images 
1.gif 7KB book_02.gif 7KB book_04.gif 7KB button_reg.gif 3KB button_shop.gif 3KB button_search.gif 644B book_03.gif 7KB button_login.gif 2KB book_09.gif 7KB button_gray_bg.gif 722B book_08.gif 7KB book_07.gif 5KB book_05.gif 7KB book_06.gif 6KB step_arrow.gif 260B login_lock.gif 1KB button_register.gif 2KB book_01.gif 6KB step_arrow_past.gif 605B logo.gif 3KB button_login副本.gif 2KB
button_chart.png 3KB book_10.gif 7KB register_success.jsp 924B index.jsp 725B List.jsp 2KB Login.jsp 1KB register.jsp 2KB WEB-INF classes com rjxy books dao BooksDao.class 360B book entity Books.class 2KB ShopCart.class 2KB Users.class 2KB dao impl UsersDao.class 3KB BooksDaoImpl.class 3KB BaseDao.class 1KB web Shopping.class 4KB UsersIm.class 2KB ShowCart.class 3KB UsersUm.class 2KB lib web.xml 3KB资源评论
