package com.study.cookie;
import java.io.IOException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@SuppressWarnings("serial")
public class AddCookie extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
response.setHeader("refresh", "2;url=/ShoppingCart/ShopPage.jsp");
String id = request.getParameter("id");
Cookie[] cookies = request.getCookies();
String visitlist = null;
if (cookies != null) {
for (Cookie cookie : cookies) {
if (cookie.getName().equals("visitlist")) {
visitlist = cookie.getValue();
break;
}
}
if (visitlist == null) {
addCookie(id,response);
} else {
StringBuffer strBuffer=new StringBuffer(visitlist);
strBuffer.append(",").append(id);
visitlist=strBuffer.toString();
String[] existIds = visitlist.split(",");
addCookie(visitlist,response);
}
} else {
addCookie(id,response);
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
doGet(request, response);
}
private void addCookie(String cookieValue, HttpServletResponse response) throws IOException{
Cookie cookie = new Cookie("visitlist", cookieValue);
cookie.setMaxAge(60 * 60);
response.addCookie(cookie);
response.getWriter().println("<html>");
response.getWriter().println("<h1>add success!</h1>");
response.getWriter().println("</html>");
}
}
session技术实现网上商城购物车
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2016-05-14
23:00:58
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收藏 10KB RAR 举报 
ShoppingCart.rar （17个子文件） 
ShoppingCart 
.project 1KB WebContent WEB-INF lib web.xml 1KB META-INF MANIFEST.MF 39B ShopPage.jsp 3KB src com study cookie AddCookie.java 2KB ClearCookie.java 808B BuySession.java 1KB .settings org.eclipse.wst.jsdt.ui.superType.container 49B org.eclipse.wst.common.project.facet.core.xml 345B org.eclipse.jdt.core.prefs 364B org.eclipse.wst.jsdt.ui.superType.name 6B org.eclipse.wst.common.component 488B .jsdtscope 567B build classes com study cookie BuySession.class 2KB ClearCookie.class 1KB AddCookie.class 2KB .classpath 841B资源评论
萌萌韩懿莹2017-12-21不是php....
