smsaction.java

基于asp.net的web开发的入门资料。

package com.oa.struts.actions;

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

import org.apache.log4j.Logger;
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 com.oa.hibernate.beans.Schedule;
import com.oa.hibernate.beans.Sms;
import com.oa.hibernate.dao.SmsDAO;
import com.oa.struts.forms.PageForm;
import com.oa.struts.forms.ScheduleForm;
import com.oa.struts.forms.SmsForm;
import com.oa.struts.util.Constants;
import com.oa.struts.util.Pager;

public class SmsAction extends BaseAction {

	protected SmsDAO smsDAO;

	Logger log = Logger.getLogger(this.getClass());

	public SmsDAO getSmsDAO() {
		return smsDAO;
	}

	public void setSmsDAO(SmsDAO smsDAO) {
		this.smsDAO = smsDAO;
	}

	public ActionForward list(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		String username = getUsername(request);
		
		PageForm pageForm = (PageForm) form;
		
		// get pager
		Pager pager = smsDAO.findPagerByUsername(username, pageForm
				.getPageSize(), pageForm.getPageNo());
		
		// set smsList
		request.setAttribute("smsList", pager.getResultList());
		
		// set pager
		request.setAttribute("pager", pager);
		
		// save session
		setSession(request, Constants.PAGER_SMS, pageForm);
		
		ActionForward forward = mapping.findForward(Constants.LIST_KEY);
		return (forward);
	}
	
	public ActionForward back(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		String username = getUsername(request);
		
		PageForm pageForm = (PageForm)getSession(request, Constants.PAGER_SMS);
		
		// get pager
		Pager pager = smsDAO.findPagerByUsername(username, pageForm
				.getPageSize(), pageForm.getPageNo());
		
		// set smsList
		request.setAttribute("smsList", pager.getResultList());
		
		// set pager
		request.setAttribute("pager", pager);
		
		// save session
		setSession(request, Constants.PAGER_SMS, pageForm);
		
		ActionForward forward = mapping.findForward(Constants.LIST_KEY);
		return (forward);
	}

	public ActionForward add(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = mapping.findForward(Constants.ADD_KEY);
		return (forward);
	}

	public ActionForward insert(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionMessages messages = new ActionMessages();
		SmsForm smsForm = (SmsForm) form;
		String username = getUsername(request);		
		
		// insert object
		Sms sms = new Sms();
		sms.setUsername(smsForm.getUsername());
		sms.setSender(username);
		sms.setSmstitle(smsForm.getSmstitle());
		sms.setMessage(smsForm.getMessage());
		sms.setSendtime(smsForm.getSendtime());
		//sms.setIsread(Constants.NO);
		smsDAO.insert(sms);
		
		// save messages
		messages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
				"sms.message.add.success"));
		saveErrors(request, messages);
		
		// get pageform from session
		PageForm pageForm = (PageForm)getSession(request, Constants.PAGER_SMS);
		
		// get pager form list page
		Pager pager = smsDAO.findPagerByUsername(username, pageForm
				.getPageSize(), pageForm.getPageNo());
		request.setAttribute("smsList", pager.getResultList());
		request.setAttribute("pager", pager);

		return mapping.findForward(Constants.LIST_KEY);
	}
	
	public ActionForward view(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionMessages messages = new ActionMessages();
		String id = request.getParameter("id");
		
		if (id == null) {
			// id not exist, save messages
			messages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"schedule.message.edit.notexist"));
			saveErrors(request, messages);
			return mapping.findForward(Constants.LIST_KEY);
		} else {
			// get object
			Sms sms = smsDAO.findById(id);
			if (sms == null) {
				messages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
						"schedule.message.edit.notexist"));
				saveErrors(request, messages);
				return mapping.findForward(Constants.LIST_KEY);
			}
			
			// save form object
			SmsForm smsForm = new SmsForm();
			smsForm.setId(sms.getId().toString());
			smsForm.setUsername(sms.getUsername());
			smsForm.setSender(sms.getSender());
			smsForm.setSmstitle(sms.getSmstitle());
			smsForm.setMessage(sms.getMessage());
			smsForm.setSendtime(sms.getSendtime());
			//smsForm.setIsread(sms.getIsread());
			
			// save in request
			request.setAttribute("smsFormBean", smsForm);

			return mapping.findForward(Constants.VIEW_KEY);
		}
	}
/*
	public ActionForward read(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionMessages messages = new ActionMessages();
		String id = request.getParameter("id");
		
		if (id == null) {
			// id not exist, save messages
			messages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"sms.message.edit.notexist"));
			saveErrors(request, messages);
			return mapping.findForward(Constants.LIST_KEY);
		} else {
			// get object
			Sms sms = smsDAO.findById(id);
			if (sms == null) {
				messages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
						"sms.message.edit.notexist"));
				saveErrors(request, messages);
				return mapping.findForward(Constants.LIST_KEY);
			}
			
			// set isread
			sms.setIsread(Constants.YES);
			smsDAO.update(sms);
			
			String username = getUsername(request);
			
			// get pageForm from session
			PageForm pageForm = (PageForm)getSession(request, Constants.PAGER_SMS);
			
			// get pager form list page
			Pager pager = smsDAO.findPagerByUsername(username, pageForm
					.getPageSize(), pageForm.getPageNo());
			request.setAttribute("smsList", pager.getResultList());
			request.setAttribute("pager", pager);
		}
		return mapping.findForward(Constants.LIST_KEY);
	}
*/
	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionMessages messages = new ActionMessages();

		String id = request.getParameter("id");
		if (id == null) {
			// if id not exist
			messages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"sms.message.edit.notexist"));
		} else {
			// delete object
			smsDAO.delete(id);
			
			// save messages
			messages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"sms.message.delete.success"));

			String username = getUsername(request);
			
			// get pageForm from session
			PageForm pageForm = (PageForm)getSession(request, Constants.PAGER_SMS);
			
			// get pager form list page
			Pager pager = smsDAO.findPagerByUsername(username, pageForm
					.getPageSize(), pageForm.getPageNo());
			request.setAttribute("smsList", pager.getResultList());
			request.setAttribute("pager", pager);
		}
		saveErrors(request, messages);
		return mapping.findForward(Constants.LIST_KEY);
	}
}