📄 alterexaminformationaction.java

📁 学生信息管理系统

💻 JAVA

字号:

package action;
import java.io.*;
import vo.ExamVO;
import dao.ExamDAO;
import javax.servlet.*;
import javax.servlet.http.*;
import util.CharsetExchange;
public class AlterExamInformationAction extends HttpServlet
{
	public void doGet(HttpServletRequest request,HttpServletResponse response)throws IOException,ServletException
	{
		String course_id=request.getParameter("course_id");
		String student_id=request.getParameter("student_id");
		String term=request.getParameter("term");
		String teacher_name=CharsetExchange.ISOToGB(request.getParameter("teachers"));
		String examtype=CharsetExchange.ISOToGB(request.getParameter("examtype"));
		String examtime=request.getParameter("examtime");
		String address=CharsetExchange.ISOToGB(request.getParameter("address"));
		ExamDAO examdao=new ExamDAO();
		boolean isexist=examdao.checkExam(course_id,term,student_id);
		if(isexist)
		{
				response.setCharacterEncoding("gb2312");
				response.setContentType("text/html");
				PrintWriter out=response.getWriter();
				out.println("<html>");
				out.println("<head><meta http-equiv=refresh content=2;url=alterExamInformation.jsp>");
				out.println("<title>修改学生考试信息</title></head>");
				out.println("<body background=2.jpg>");
				out.println("<br><br><br>");
				out.println("<h1 align=center ><font color=red>对不起，该学生的该门考试信息不存在，无法修改</font></h1><hr>");
				out.println("<br><br>");
				out.println("</body>");
				out.println("</html>");
		}
		else
		{
			ExamVO examvo=new ExamVO();
			examvo.setCourseId(course_id);
			examvo.setStudentId(student_id);
			examvo.setTerm(term);
			examvo.setTeacherId(teacher_name);
			examvo.setExamType(examtype);
			examvo.setExamTime(examtime);
			examvo.setAddress(address);
			examdao.updateExam(examvo);
			HttpSession session = request.getSession(true);
			session.setAttribute("examvo",examvo);
			this.getServletContext().getRequestDispatcher("/AlterSucess.jsp").forward(request,response);
		}
		
	}
	public void doPost(HttpServletRequest request,HttpServletResponse response)throws IOException,ServletException
	{
		doGet(request,response);
	}
}

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