package it.com.action;

import it.com.bean.Knowledge;
import it.com.bean.Subject;
import it.com.service.TeacherService;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import java.util.Map;
import java.util.Random;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import net.sf.json.JSONArray;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

@Controller
public class TeacherAction {
@Resource
	TeacherService ts;

public TeacherService getTs() {
	return ts;
}

public void setTs(TeacherService ts) {
	this.ts = ts;
}
//查询所有的学科
int n=0;
@RequestMapping("selectSubject.action")
	public ModelAndView selectSubject(HttpSession session){
		List<Subject> list=ts.findSubject1();
//		System.out.println("listsubject==="+list);
		session.setAttribute("n", n);
		session.setAttribute("m", list.size());
		session.setAttribute("listsubject", list);
		return new ModelAndView("stu/seletquestion.jsp");
} 
//查询科目所对应的知识点
@RequestMapping("selectKnowledge.action")
	    public void selectKnowledgeById(HttpServletResponse response,HttpServletRequest resquest,HttpSession session) throws IOException{
	    response.setContentType("text/html");
	    PrintWriter out = response.getWriter();    
	    n=n+1;
		String subjectid=resquest.getParameter("subjectid");
		List <Knowledge>list=ts.findKnowledgeById(subjectid);
		session.setAttribute("n", n);
		session.setAttribute("m1", list.size());
		session.setAttribute("listknowledge", list);
		JSONArray json=JSONArray.fromObject(list);
		out.print(json);
		
	}
//查询知识点和学科类别所对应的题
@RequestMapping("selectQuestion.action")
	public ModelAndView selectQuestionById(String knowledgeid,int subjectid,HttpServletRequest res,HttpSession session){
		int mm=0;
		System.out.println(knowledgeid+"+++knowid++++");
		System.out.println(subjectid+"+++++subid++");
		List<Map>list=ts.findQuestionsByIdknow(knowledgeid,subjectid);
		session.setAttribute("mm", list.size());
		session.setAttribute("listquestion", list);
		String  ss=res.getParameter("ss");
		System.out.println(ss+"------");
		String uri="";
		if(ss.equals('1')){
			uri="stu/question.jsp";
		}else{
			uri="stu/seletquestion.jsp";
		}	
		return new ModelAndView(uri);
	}


}