actionsortedit.java

该系统利用Java实现简单论坛功能

package ch11.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import javax.servlet.ServletContext;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.ResultSet;
import java.sql.SQLException;

import java.util.*;
import javax.servlet.http.*;
import org.apache.struts.action.DynaActionForm;
import ch11.form.*;
import ch11.util.*;
import ch11.bean.*;

public final class ActionSortEdit extends Action{
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response) throws Exception {
		//获取待修改的论坛分类信息	
   		DynaActionForm sortAdminform = (DynaActionForm) form;         
		Integer sortid = (Integer)sortAdminform.get("sortid");
		String sortname = sortAdminform.getString("sortname");			
			//new String(sortAdminform.getString("sortname").getBytes("iso8859_1"),"gb2312");
        HttpSession session = request.getSession();
		Vector sorts = new Vector();
		Vector masterUsers = new Vector();
		//连接数据库
		ServletContext context = servlet.getServletContext();
		DataSource dataSource =
			(DataSource)context.getAttribute(Constants.DATASOURCE_KEY);
        DB db = new DB(dataSource);
        //搜索级别为版主的用户，并转向论坛分类修改页面
		masterUsers = User.SearchMaster(db);
		session.setAttribute(Constants.MASTER_USER_KEY,masterUsers);
		session.setAttribute(Constants.EDIT_SORTID_KEY,sortid);
		session.setAttribute(Constants.EDIT_SORTNAME_KEY,sortname);
		db.close();
	   	return (mapping.findForward("toSortEdit"));
 	}
}