📄 queryschoolonecoursesaction.java

📁 学生信息管理系统

💻 JAVA

字号:

package action;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import util.CharsetExchange;
import vo.CourseVO;
import dao.CourseDAO;
import java.io.*;
public class QuerySchoolOneCoursesAction extends HttpServlet
{
	public void doGet(HttpServletRequest request,HttpServletResponse response)throws IOException,ServletException
	{
		String course_id=request.getParameter("courses");
		String term=request.getParameter("term");
		HttpSession session=request.getSession(true);
		if(request.getParameter("submit")!=null)
		{
			CourseDAO coursedao=new CourseDAO();
			boolean isexist=coursedao.checkCourse(course_id,term);
			if(!isexist)
			{
				response.setCharacterEncoding("gb2312");
				response.setContentType("text/html");
				PrintWriter out=response.getWriter();
				out.println("<head><meta http-equiv=refresh content=2;url=QuerySchoolOneCourse.jsp>");
				out.println("<title>查询学校课程信息</title></head>");
				out.println("<body background=2.jpg>");
				out.println("<br><br><br>");
				out.println("<h1 align=center ><font color=red>对不起，该课程不存在，无法查询</font></h1><hr>");
				out.println("<br><br>");
				out.println("</body>");
				out.println("</html>");
			}
			else
			{
				CourseVO coursevo=new CourseVO();
				coursevo=coursedao.getCourseByIdAndTerm(course_id,term);
				session.setAttribute("onecourse",coursevo);
				this.getServletContext().getRequestDispatcher("/QuerySchoolOneCourseResult.jsp").forward(request,response);
			}
		}
		
	}
	public void doPost(HttpServletRequest request,HttpServletResponse response)throws IOException,ServletException
	{
		doGet(request,response);
	}
}

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