u02e22action.java

持久层hibernate技术使用的一个例子

package cn.hope.front.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;
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 org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.validator.DynaValidatorForm;

import cn.hope.front.bo.U02SBlogBO;
import cn.hope.front.pojo.SBlog;



public class U02E22Action extends Action{
	Logger log = Logger.getLogger(U02E20Action.class.getName());
	private U02SBlogBO u02sblogbo=new U02SBlogBO();
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionMessages errors = new ActionMessages();
		SBlog sblog = new SBlog(); 
		String sbId = request.getParameter("stid");
		if (StringUtils.isNotEmpty(sbId)) {
			try {
				DynaValidatorForm form1 = (DynaValidatorForm) form;
				sblog = (SBlog) form1.get("sblog");
				Integer stid = new Integer(sbId);
				//SBlog tf = u02sblogbo.select(stid);
				//form1.set("sblog",tf);
				List list3 =  u02sblogbo.select(sblog,stid);
				request.getSession().setAttribute("list3",list3);
			} catch (Exception e) {
				log.error(e);
				e.printStackTrace();
				ActionMessage am = new ActionMessage(e.toString());
				errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
						"errors.u07exception"));
				errors.add(ActionMessages.GLOBAL_MESSAGE, am);
				saveErrors(request, errors);
				
			}
		} else {
			errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"errors.fileNotExist"));
			saveErrors(request, errors);
			
		}
		
		return mapping.findForward("success");
	}
}