teacherscoreactions.java

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/*
 * TeacherScoreActions.java
 *
 * Created on 2006年6月9日, 上午4:16
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package enova.web.struts.action;

import javax.servlet.http.*;
import org.apache.struts.action.*;
import enova.service.*;
import enova.pojo.*;
import enova.util.Const;

/**
 *
 * @author vlinux
 */
public class TeacherScoreActions extends org.apache.struts.actions.DispatchAction {
    
    private Integer classId;
    private Integer courseId;
    private int count;
    private ScoreService ss = (ScoreService)ServiceFactory.makeService("ScoreService");
    private ClassCourseService ccs = (ClassCourseService)ServiceFactory.makeService("ClassCourseService");
    
    
    private void loadForm(javax.servlet.http.HttpServletRequest request){
        try{
            
            this.classId = new Integer(Integer.parseInt(request.getParameter("classId")));
        }catch(Exception e){
            this.classId = null;
        }
        try{
            
            this.courseId = new Integer(Integer.parseInt(request.getParameter("courseId")));
        }catch(Exception e){
            this.courseId = null;
        }
        try{
            this.count = Integer.parseInt(request.getParameter("count"));
        }catch(Exception e){
            this.count = 0;
        }
    }
    

    
    public ActionForward view(ActionMapping mapping, ActionForm actionForm,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        try{
            loadForm(request);
            ClassCourse classCourse = ccs.get(classId,courseId);
            Integer teacherId = ((Teacher)request.getSession().getAttribute("Teacher")).getId();
            request.setAttribute("scores",ss.getByTeacherIdAndCourseIdAndClassId(teacherId,courseId,classId));
        }catch(StoreException se){
            request.setAttribute(Const.MESSAGES,"数据库出错");
            return mapping.findForward(Const.STORE_EXCEPTION);
        }
        return mapping.findForward(Const.VIEW);
    }
    
    
    public ActionForward update(ActionMapping mapping, ActionForm actionForm,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        try{
            loadForm(request);
            Integer teacherId = ((Teacher)request.getSession().getAttribute("Teacher")).getId();
            if(count!=0){
                for(int i=1;i<=count;i++){
                    Integer studentId = new Integer(Integer.parseInt(request.getParameter("studentId"+i)));
                    Integer courseId = new Integer(Integer.parseInt(request.getParameter("courseId"+i)));
                    Integer value = new Integer(Integer.parseInt(request.getParameter("value"+i)));
                    System.out.println(""+studentId+""+courseId+""+value);
                    ss.updateByTeacherIdAndStudentIdAndCourseId(teacherId,studentId,courseId,value);
                }
            }
            request.setAttribute(Const.MESSAGES,"录入成绩成功");
        }catch(StoreException se){
            request.setAttribute(Const.MESSAGES,"数据库出错");
            return mapping.findForward(Const.STORE_EXCEPTION);
        }
        return mapping.findForward(Const.UPDATE);
    }
    
}