Java编程

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Java

DetailAction.java：源码内容

							
package StudyNews;
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;
public final class DetailAction extends Action{  
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,  
		HttpServletResponse response) throws Exception {
			
   		DynaActionForm newsform = (DynaActionForm) form;         
		Integer newsId = (Integer)newsform.get("newsId");
		
        HttpSession session = request.getSession();
		Vector newsList = new Vector();
		News news = new News();
		
   		ServletContext context = servlet.getServletContext();
		DataSource dataSource = 
			(DataSource)context.getAttribute(Constants.DATASOURCE_KEY);
						
        DB db = new DB(dataSource);
        news = News.GetDetail(db,newsId.intValue(),false);
		
		session.setAttribute(Constants.NEWS_DETAIL_KEY,news);
		
		if(news.keyword!=null||news.keyword!=""){
			session.setAttribute(Constants.NEWS_LIST_KEY,
								News.SearchRelativeNews(db,newsId.intValue(),news.keyword));
		} 
		db.close();
	   	return (mapping.findForward("toNewsDetail"));					
 	}	
}

						