📄 gameservlet.java
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package zzjun.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
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 zzjun.business.IUserGame;
import zzjun.business.UserGame;
import zzjun.data.GameData;
import zzjun.admin.GameAdmin;
public class gameservlet extends HttpServlet {
/**
* 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 {
int guess=Integer.parseInt(request.getParameter("guessdata"));
String guessdata;
if(guess==1)guessdata="石头";
else if(guess==2)guessdata="剪刀";
else guessdata="布";
checkadmin();
HashMap<String,GameAdmin> GA=(HashMap<String,GameAdmin>)this.getServletContext().getAttribute("GA");
HttpSession session=request.getSession(); //得到session
if(GA.get(session.getId())==null){
GameAdmin admin=new GameAdmin();
admin.setSessionid(session.getId());
admin.setUserip(request.getRemoteAddr());
GA.put(session.getId(), admin);
}
GameData GD=(GameData)session.getAttribute("GD");
IUserGame UG=new UserGame();
if(GD==null){
GD=UG.createGameData();
session.setAttribute("GD", GD);
}
GA.get(session.getId()).setGD(GD);
UG.dataCompare(GD, guessdata);
GD.datatime++;
response.setContentType("text/html; charset=gb2312");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY><pre>");
if(GD.getDatatime()<=2){
out.println(UG.Printoutdata(GD)+"<br>");
out.println("<a href=\"game.jsp\">还没完呢，再来</a><br>");
}
else if(GD.getDatatime()==3){
UG.lastCompare(GD);
out.println(UG.printoutstoryData(GD));
UG.initGameData(GD);
out.println("<a href=\"game.jsp\">再来一轮</a><br>");
}
out.println("<a href=\"welcome.jsp\">返回欢迎界面</a>");
out.println(" </pre> </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
public void checkadmin(){
if(this.getServletContext().getAttribute("GA")==null){
HashMap<String,GameAdmin> GA=new HashMap<String,GameAdmin>();
this.getServletContext().setAttribute("GA", GA);
}
}
}
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