queryschoolonecoursetag.java

学生信息管理系统

package tagext;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import java.io.*;
import java.util.*;
import javax.servlet.jsp.tagext.TagSupport;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import vo.CourseVO;
import dao.CourseDAO;
public class QuerySchoolOneCourseTag extends TagSupport
{
	public int doStartTag ()throws JspException
	{
		JspWriter out=pageContext.getOut();
		HttpServletRequest request=(HttpServletRequest)pageContext.getRequest();
		HttpSession session=request.getSession(true);
		if(session.getAttribute("onecourse")!=null)
		{
			try
			{
				
			
				CourseVO course=(CourseVO)session.getAttribute("onecourse");
				out.print("<table align=center border=1>");
				out.print("<form>");
				out.print("<tr>");
		    	out.print("<td align=center><font size=5 color=blue>课程编号</td><td align=center><font size=5 color=blue>"+course.getCourseId()+"</td>");
		    	out.print("</tr>");
		    	out.print("<tr>");
		    	out.print("<td align=center><font size=5 color=blue>课程名称</td><td align=center ><font size=5 color=blue>"+course.getCourseName()+"</td>");
		    	out.print("</tr>");
		    	out.print("<tr>");
		    	out.print("<td align=center><font size=5 color=blue>学期</td><td align=center><font size=5 color=blue>"+course.getTerm()+"</td>");
		    	out.print("</tr>");
		    	out.print("<tr>");
		    	out.print("<td align=center><font size=5 color=blue>课程类型</td><td align=center><font size=5 color=blue>"+course.getExamtype()+"</td>");
		    	out.print("</tr>");
		    	out.print("<tr>");
		    	out.print("<td align=center><font size=5 color=blue>总课时</td><td align=center><font size=5 color=blue>"+course.getTotal()+"</td>");
		    	out.print("</tr>");
		    	out.print("<tr>");
		    	out.print("<td align=center><font size=5 color=blue>学分</td><td align=center><font size=5 color=blue>"+course.getScore()+"</td>");
		    	out.print("</tr>");
		    	
		    	out.print("</form>");
		    	out.print("</table>");	
		    }
		    catch(Exception e)
		    {
		    	e.printStackTrace();
		    }	
		}
		return this.SKIP_BODY;
	}
	public int doEndTag ()throws JspException
	{
		return this.EVAL_PAGE;
	}
}