📄 chooseteacheraction.java

📁 学生信息管理系统

💻 JAVA

字号:

package action;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import dao.TeacherDao;
import vo.TeacherVO;
import util.CharsetExchange;
public class ChooseTeacherAction extends HttpServlet
{
	public void doGet(HttpServletRequest request,HttpServletResponse response)throws IOException,ServletException
	{
		String teacher_id=request.getParameter("teacher_id");
		TeacherDao teacherdao=new TeacherDao();
		boolean isexist=teacherdao.checkTeacher(teacher_id);
		if(!isexist)
		{
			response.setContentType("text/html");
			response.setCharacterEncoding("gb2312");
			PrintWriter out=response.getWriter();
			out.println("<html>");
			out.println("<head>");
			out.println("<title>判断教师用户是否存在</title>");
			out.println("</head>");
			out.println("<body background=2.jpg>");
			out.println("<br><br><br>");
			out.println("<h1 align=center ><font color=red>对不起，该教师用户不存在，无法修改</font></h1><hr>");
			out.println("</body>");
			out.println("</html>");
		}
		else
		{
			String information=request.getParameter("teacherInfor");
			if(information.equals("name"))
			{
				this.getServletContext().getRequestDispatcher("altername.jsp").forward(request,response);
			}
			else if(information.equals("sex"))
			{
				this.getServletContext().getRequestDispatcher("altersex.jsp").forward(request,response);
			}
			else if(information.equals("departmentName"))
			{
				this.getServletContext().getRequestDispatcher("alterdepartmentname.jsp").forward(request,response);
			}
			else if(information.equals("phone"))
			{
				this.getServletContext().getRequestDispatcher("alterphone.jsp").forward(request,response);
			}
			else if(information.equals("Email"))
			{
				this.getServletContext().getRequestDispatcher("alterEmail.jsp").forward(request,response);
			}
			else if(information.equals("all"))
			{
				this.getServletContext().getRequestDispatcher("alterAll.jsp").forward(request,response);
			}
			
		}
	}
	public void doPost(HttpServletRequest request,HttpServletResponse response)throws IOException,ServletException
	{
		doGet(request,response);	
	}
}

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