boardlisttag.java

JAVA+JSP程序系统-华源网络科技论坛

package org.jetic.web.techbbs;
import java.sql.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;

/**
 * Title:        华源技术论坛
 * Description:
 * Copyright:    Copyright (c) 2001
 * Company:      GBSOURCE
 * @author fainter
 * @version 1.0
 */

public class BoardlistTag extends BodyTagSupport {
    private ResultSet rs = null;

    public int doStartTag() throws javax.servlet.jsp.JspException {
        try {
            Mssql conn = new Mssql();
            String sql="select ID,fdcname,fditopic,fditotal,fdimark,fdcmanager"
                        + " from tbmain order by ID";
            rs = conn.executeQuery(sql);

            if (rs.next()) {
                pageContext.setAttribute("boardID", new Integer(rs.getInt("ID")));
                pageContext.setAttribute("boardname", new String(rs.getString("fdcname")));
                pageContext.setAttribute("boardtopic", new Integer(rs.getInt("fditopic")));
                pageContext.setAttribute("boardtotal", new Integer(rs.getInt("fditotal")));
                pageContext.setAttribute("boardmark", new Integer(rs.getInt("fdimark")));
                pageContext.setAttribute("boardmanager", new String(rs.getString("fdcmanager")));
                return EVAL_BODY_TAG;
            }
            else {
                return SKIP_BODY;
            }
        }
        catch (Exception ex) {
            System.err.print("BoardlistTag.doStartTag():");
            ex.printStackTrace(System.err);
            return SKIP_BODY;
        }
    }

    public int doAfterBody() throws javax.servlet.jsp.JspException {
        BodyContent body = getBodyContent();
        try {
            if (rs.next()) {
                pageContext.setAttribute("boardID", new Integer(rs.getInt("ID")));
                pageContext.setAttribute("boardname", new String(rs.getString("fdcname")));
                pageContext.setAttribute("boardtopic", new Integer(rs.getInt("fditopic")));
                pageContext.setAttribute("boardtotal", new Integer(rs.getInt("fditotal")));
                pageContext.setAttribute("boardmark", new Integer(rs.getInt("fdimark")));
                pageContext.setAttribute("boardmanager", new String(rs.getString("fdcmanager")));
                return EVAL_BODY_TAG;
            }
            else {
                body.writeOut(body.getEnclosingWriter());
                return SKIP_BODY;
            }
        }
        catch (Exception ex) {
            System.err.print("BoardlistTag.doStartTag():");
            ex.printStackTrace(System.err);
            return SKIP_BODY;
        }
    }
}