queryonestudentaction.java

学生信息管理系统

package action;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import util.CharsetExchange;
import vo.StudentVO;
import dao.StudentDAO;
public class QueryOneStudentAction extends HttpServlet
{
	public void doGet(HttpServletRequest request,HttpServletResponse response)throws IOException ,ServletException
	{
		String method=request.getParameter("method");
		String text=request.getParameter("text");
		HttpSession session=request.getSession(true);
		if(request.getParameter("submit")!=null)
		{
			if(method.equals("ById"))
			{
				StudentDAO studentdao=new StudentDAO();
				StudentVO studentvo=studentdao.getStudentById(text);
				session.setAttribute("studentById",studentvo);
			}
			else if(method.equals("ByName"))
			{
				StudentDAO studentdao=new StudentDAO();
				ArrayList students=studentdao.getStudentByName(text);
				session.setAttribute("studentByName",students);
			}
		}
		this.getServletContext().getRequestDispatcher("/QueryOneStudentResult.jsp").forward(request,response);
	}
	public void doPost(HttpServletRequest request,HttpServletResponse response)throws IOException ,ServletException
	{
		doGet(request,response);
	}
}