newseditaction.java

新闻中心系统源代码 (struts+sqlserver) 里面附有数据库文件

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 NewsEditAction 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();

   		ServletContext context = servlet.getServletContext();
		DataSource dataSource = 
			(DataSource)context.getAttribute(Constants.DATASOURCE_KEY);
						
        DB db = new DB(dataSource);
		session.setAttribute(Constants.NEWS_DETAIL_KEY,News.GetDetail(db,newsId.intValue(),true));
   		
		db.close();
	   	return (mapping.findForward("toNewsEdit"));					
 	}	
}