updateaction.java

JAVA视频播放器 源码相当详细 功能强大

package com.video.update.action;

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

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 com.video.broad.logic.BroadLogic;
import com.video.broad.logic.bean.BroadLogicImp;
import com.video.domain.Sp;
import com.video.update.logic.UpdateLogic;
import com.video.update.logic.bean.UpdateLogicImp;

public class UpdateAction extends Action {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		DynaValidatorForm myform = (DynaValidatorForm) form;
		String update= request.getParameter("update");
		String goback= request.getParameter("goback");
		String name=myform.getString("name");
		String id=myform.getString("id");
		String url=myform.getString("file");
		String remark=myform.getString("remark");
		DataSource ds = this.getDataSource(request);
		ActionMessages errors = new ActionMessages();
		UpdateLogic updateLogic= new UpdateLogicImp();
		if(update!=null){
			int result=updateLogic.updateSp(ds, name, id, url, remark);
			
			BroadLogic broadLogic= new BroadLogicImp();
			Sp s=broadLogic.findUrl(ds, name);
			request.getSession().setAttribute("s",s);	
			if(result>0){
				 errors.add(ActionMessages.GLOBAL_MESSAGE,
							new ActionMessage("update.errors"));
				 saveErrors(request, errors);
			}
		}
	
		if(goback!=null){
			request.getSession().removeAttribute("s");//防止返回自动播放
			return mapping.findForward("ok");
		}
		return new ActionForward(mapping.getInput());
	}

}