queryoneteacheraction.java

学生信息管理系统

package action;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import dao.TeacherDao;
import vo.TeacherVO;
import util.CharsetExchange;
import java.util.*;
public class QueryOneTeacherAction extends HttpServlet
{
	public void doGet(HttpServletRequest req,HttpServletResponse res)throws IOException ,ServletException
	{
		String method=req.getParameter("method");
		String text=req.getParameter("text");
		HttpSession session=req.getSession(true);
		if(req.getParameter("submit")!=null)
		{
			if(method.equals("byId"))
			{
				TeacherDao teacherdao=new TeacherDao();
				TeacherVO teachervo=teacherdao.getTeacherById(text);
				session.setAttribute("teacherById",teachervo);
			}
			else if(method.equals("byName"))
			{
				TeacherDao teacherdao=new TeacherDao();
				ArrayList teachers=teacherdao.getTeacherByName(text);
				session.setAttribute("teacherByName",teachers);
			}
			this.getServletContext().getRequestDispatcher("/QueryOneTeacherResult.jsp").forward(req,res);
				
		}
	}
	public void doPost(HttpServletRequest req,HttpServletResponse res)throws IOException ,ServletException
	{
		doGet(req,res);
	}
}