bbstopicstablemaptag.java

来自「本人大学时大型作业用JAVA做的一个 BBS系统 模式MVC 非struts版 」· Java 代码 · 共 57 行

package helps;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
import java.util.*;
import domain.*;
import db.*;
import java.io.*;
public class BBSTopicsTableMapTag extends TagSupport
{
	public int doEndTag() throws JspException
	{
		try
		{
			BBSTopicsMapTag mapTag=(BBSTopicsMapTag)getParent();
			HashMap topics=(HashMap)mapTag.getTopics();
			pageContext.getSession().setAttribute("topics",topics);
			JspWriter out=this.pageContext.getOut();		
			out.println("<table border=1>");
					out.println("<tr><td>");
					out.println("话题");
					out.println("</td><td>");
					out.println("作者");
					out.println("</td><td>");
					out.println("发表时间");
					out.println("</td></tr>");
			Iterator iter=topics.keySet().iterator();
			if(iter==null)
				out.println("iter==empty");
			else
			{
				while(iter.hasNext())
				{
					int id=Integer.parseInt(iter.next().toString());
					BBSTopic topic=(BBSTopic)topics.get(id);					
					out.println("<tr><td>");				
					out.println("<a href='/BBS/controller/BbsTopics?id=");
					out.println(topic.getId());
					out.println("'>");
					out.println(topic.getTitle());
					out.println("</a>");
					out.println("</td><td>");
					out.println(topic.getAuthor());
					out.println("</td><td>");
					out.println(topic.getTime());
					out.println("</td></tr>");
							
				}
			}
				out.println("</table>");
		}
		catch(Exception e)
		{
			pageContext.getServletContext().log(e,"in...");
		}		
		return TagSupport.EVAL_PAGE;
	}
}