loginmainpageaction.java

使用J2EE Struts开发的房地产信息咨询系统

/**
 * 触发登录页面信息
 * LoginMainPageAction.java
 * @author usr
 */

package building;

import javax.sql.*;
import java.util.*;
import javax.servlet.ServletContext;
import javax.servlet.http.*;

import org.apache.struts.action.*;

public final class LoginMainPageAction extends Action
{
	public ActionForward execute(
			ActionMapping mapping,
			ActionForm form,
			HttpServletRequest request,
			HttpServletResponse response)
	throws Exception
	{
		//连接数据库
		ServletContext context = servlet.getServletContext();
		DataSource dataSource = (DataSource)context.getAttribute(Constants.DATASOURCE_KEY);
		DB db = new DB(dataSource);
		
		//Http Session会话
		HttpSession session = request.getSession(true);
				
		//页面跳转
		String PageForward = "toMainPage";
		
		
		Vector newsList = News.getLatestNews(db);
		
		session.setAttribute(Constants.INDEX_NEWS_KEY,newsList);
		
		db.close();
		
		return(mapping.findForward(PageForward));
	}//End of execute
	
}//End of class LoginMainPageAction