workservlet.java

详细的学生档案管理系统,包括系统管理员学生,老师,辅助管理员,功能已经很完善了

package com.nitpro.school.servlet;

import java.util.Date;
import java.util.List;

import javax.servlet.RequestDispatcher;
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 com.nitpro.school.bean.Teacher;
import com.nitpro.school.bean.WorkContent;
import com.nitpro.school.bean.WorkList;
import com.nitpro.school.bean.WorkPList;
import com.nitpro.school.model.WorkModel;
import com.nitpro.school.util.Utils;

public class WorkServlet extends HttpServlet{
	public void doPost(HttpServletRequest req,HttpServletResponse resp) throws ServletException, java.io.IOException{
		doIt(req, resp);
	}

	public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		doIt(req, resp);
	}
	
	
	public void doIt(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
        String method = req.getParameter("method");//通过标记参数进行分支判断
        if("list".equals(method)){
        	list(req, resp);
        }else if("edit".equals(method)){
        	workEdit(req, resp);
        }else if("saveBigTitle".equals(method)){
        	saveBigTitle(req, resp);
        }else if("editBigTitle".equals(method)){
        	editBigTitle(req, resp);
        }else if("editSubTitle".equals(method)){
        	editSubTitle(req, resp);
        }else if("saveSubTitle".equals(method)){
        	saveSubTitle(req, resp);
        }else if("editWorkItem".equals(method)){
        	editWorkItem(req, resp);
        }else if("saveWorkItem".equals(method)){
        	saveWorkItem(req, resp);
        }	
	}
	
	public void list(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		WorkModel workModel = new WorkModel();
		List<WorkList> list = workModel.getWorkList();
		req.setAttribute("list", list);
		RequestDispatcher rd = req.getRequestDispatcher("/teacher/worklist.jsp");
		rd.forward(req, resp);
	}

	public void workEdit(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		int	workListId = 0;
		if(req.getAttribute("workListId") != null){
			workListId = ((Integer)req.getAttribute("workListId")).intValue();
		}else{
			workListId = Utils.strToInt(req.getParameter("workListId"));
		}

		WorkModel workModel = new WorkModel();
		WorkList wl = workModel.getWorkListById(workListId);
		req.setAttribute("work", wl);
		RequestDispatcher rd = req.getRequestDispatcher("/teacher/workedit.jsp");
		rd.forward(req, resp);
	}
    //**********大标题***********//
	public void editBigTitle(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		int	workListId = Utils.strToInt(req.getParameter("workListId"));
		WorkModel workModel = new WorkModel();
		WorkList wl = workModel.getWorkListOnly(workListId);
		req.setAttribute("work", wl);
		RequestDispatcher rd = req.getRequestDispatcher("/teacher/bigtitle.jsp");
		rd.forward(req, resp);
	}

	public void saveBigTitle(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		int	workListId = Utils.strToInt(req.getParameter("workListId"));
		int	teacherId = Utils.strToInt(req.getParameter("teacherId"));
	    String title = req.getParameter("title");
	    Date ddate = new Date();

	    Teacher teacher = null;
	    if(teacherId != 0){
	    	teacher = new Teacher();
	    	teacher.setTeacherId(teacherId);
	    }else{
	    	HttpSession session = req.getSession();
	    	teacher = (Teacher)session.getAttribute("user");
	    }

	    WorkList workList = new WorkList();
	    workList.setWorkListId(workListId);
	    workList.setTeacher(teacher);
	    workList.setTitle(title);
	    workList.setDdate(ddate);
	    
	    WorkModel workModel = new WorkModel();
	    workModel.saveWorkList(workList);
	    
	    req.setAttribute("workListId", workList.getWorkListId());
	    workEdit(req, resp);
	}

	//**********小标题***********//
	public void editSubTitle(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		int	workListId = Utils.strToInt(req.getParameter("workListId"));
		int	workPListId = Utils.strToInt(req.getParameter("workPListId"));
		WorkPList wpl = null;
		if(workPListId != 0){
			WorkModel workModel = new WorkModel();
			wpl = workModel.getWorkPListById(workPListId);
		}else{
			wpl = new WorkPList();
			wpl.setWorkListId(workListId);
			wpl.setWorkPListId(0);
			wpl.setTitle("");
		}
		
		req.setAttribute("wpl", wpl);
		RequestDispatcher rd = req.getRequestDispatcher("/teacher/subtitle.jsp");
		rd.forward(req, resp);
	}
	
	public void saveSubTitle(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		int	workPListId = Utils.strToInt(req.getParameter("workPListId"));
		int	workListId = Utils.strToInt(req.getParameter("workListId"));
	    String title = req.getParameter("title");

	    WorkPList wpl = new WorkPList();
	    wpl.setWorkPListId(workPListId);
	    wpl.setWorkListId(workListId);
	    wpl.setTitle(title);
	    
	    WorkModel workModel = new WorkModel();
	    workModel.saveWorkPList(wpl);
	    
	    req.setAttribute("workListId", wpl.getWorkListId());
	    workEdit(req, resp);
	}

	//**********题目内容***********//

	public void editWorkItem(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		int	workListId = Utils.strToInt(req.getParameter("workListId"));
		int	workPListId = Utils.strToInt(req.getParameter("workPListId"));
		int	workContentId = Utils.strToInt(req.getParameter("workContentId"));
		WorkContent wc = null;
		if(workContentId != 0){
			WorkModel workModel = new WorkModel();
			wc = workModel.getWorkContentById(workContentId);
		}else{
			wc = new WorkContent();
			wc.setWorkPListId(workPListId);
			wc.setWorkContentId(0);
			wc.setTitle("");
			wc.setType("");
			wc.setForSelect("");
			wc.setRightSelect("");
		}
		
		req.setAttribute("workListId", workListId);
		req.setAttribute("wc", wc);
		RequestDispatcher rd = req.getRequestDispatcher("/teacher/workitem.jsp");
		rd.forward(req, resp);
	}

	public void saveWorkItem(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		int	workListId = Utils.strToInt(req.getParameter("workListId"));
	    int workContentId = Utils.strToInt(req.getParameter("workContentId"));
	    int workPListId = Utils.strToInt(req.getParameter("workPListId"));
	    String type= req.getParameter("type");
	    String title= req.getParameter("title");
	    String forSelect= req.getParameter("forSelect");
	    String rightSelect= req.getParameter("rightSelect");

	    WorkContent wc = new WorkContent();
	    wc.setWorkContentId(workContentId);
	    wc.setWorkPListId(workPListId);
	    wc.setType(type);
	    wc.setTitle(title);
	    wc.setForSelect(forSelect);
	    wc.setRightSelect(rightSelect);
	    
	    WorkModel workModel = new WorkModel();
	    workModel.saveWorkContent(wc);
	    
	    req.setAttribute("workListId", workListId);
	    workEdit(req, resp);
	}
}