ratiocination_let.java

一个基于JSP的在线动物识别系统

package main;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

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 function.*;
public class ratiocination_let extends HttpServlet {
	public void doGet (HttpServletRequest request,HttpServletResponse response)throws ServletException, IOException{
		request.setCharacterEncoding("UTF-8");
		HttpSession httpSession=request.getSession();
		String markString=(String)(httpSession.getAttribute("mark"));
		response.setContentType("text/html;charset=UTF-8");
		PrintWriter outPrintWriter=null;
		outPrintWriter=response.getWriter();
		if(markString==null||!markString.equals("artificial"))
		{
			CommonHTML common=new CommonHTML();
			outPrintWriter.println(common.GetErrorPageHTML("Invalid Session!"));
		}
		else{
			CommonHTML common=new CommonHTML();
			outPrintWriter.println(common.GetFormHTML("ratiocination", "result_let","post", HTMLForGetAllRules(request),""));
		}
	}
	public void doPost(HttpServletRequest request,HttpServletResponse response)throws ServletException, IOException{
		doGet(request, response);
	}
	private String HTMLForGetAllRules(HttpServletRequest request){
		HttpSession session=request.getSession();
		
		StringBuffer HTMLbuffer=new StringBuffer();
		String filename=getServletContext().getRealPath("/")+"/WEB-INF/classes/main/Rule.xml";
		DataBaseCenter db=new DataBaseCenter(filename);
		ArrayList<String> rules=db.GetAllRules();
		session.setAttribute("allrules", rules);
		int num_of_question=0;
		ArrayList<String> ques=new ArrayList<String>();
		for(String rule:rules){
			String [] temp=rule.split(" ");
			int length=temp.length;
			for(int j=0;j<length-1;j++){
				if(!ques.contains(temp[j])){
					ques.add(temp[j]);
					num_of_question++;
					HTMLbuffer.append(num_of_question+". Is it "+temp[j]+" ?<br>\nYes<input type=\"radio\" name=\"answer"
						+num_of_question+"\" value=\"yes\">   No<input type=\"radio\" name=\"answer"+num_of_question+"\"checked=\"true\" value=\"ignore\">" +
								"<br><br>\n");
				
				}
			}
		}
		session.setAttribute("num_of_question", String.valueOf(num_of_question));
		HTMLbuffer.append("<input type=\"submit\" name=\"submit\" value=\"Submit\" >");
		return HTMLbuffer.toString();
	}
}