您现在正在浏览：站长之家 >> 设计编程 >> 详细内容

九、处理Cookie

时间:2007-10-22 来源:不详作者:林子

package hall;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.net.*;

public class CustomizedSearchEngines extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {

String searchString = request.getParameter("searchString");
Cookie searchStringCookie =
new LongLivedCookie("searchString", searchString);
response.addCookie(searchStringCookie);
searchString = URLEncoder.encode(searchString);
String numResults = request.getParameter("numResults");
Cookie numResultsCookie =
new LongLivedCookie("numResults", numResults);
response.addCookie(numResultsCookie);
String searchEngine = request.getParameter("searchEngine");
Cookie searchEngineCookie =
new LongLivedCookie("searchEngine", searchEngine);
response.addCookie(searchEngineCookie);
SearchSpec[] commonSpecs = SearchSpec.getCommonSpecs();
for(int i=0; i＜commonSpecs.length; i ) { dedecms.com 
SearchSpec searchSpec = commonSpecs[i];
if (searchSpec.getName().equals(searchEngine)) {
String url =
searchSpec.makeURL(searchString, numResults);
response.sendRedirect(url);
return;
}
}
response.sendError(response.SC_NOT_FOUND,
"No recognized search engine specified.");
}

public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}