deleteaction.java

主要包括有消息的发布、删除、查看消息、查看消息内容、还有一些用户的注册、登录等采用的是struts+hibernate开发

package com.Action;

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


import org.apache.struts.action.Action;
import org.apache.struts.action.ActionErrors;
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 com.form.SelectForm;
import com.model.MessageManager;
import com.model.NullSelectException;

public class DeleteAction extends Action {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		SelectForm selectForm = (SelectForm)form;
	    String[] srr = selectForm.getSelct();
	    MessageManager mm = new MessageManager();
	    ActionErrors errors = new ActionErrors();
	    try {
	    	mm.deleteMessages(srr);
	    	return mapping.findForward("success");
	    } catch (NullSelectException e) {
	    	ActionMessage error = new ActionMessage("select.err","请选择要删除的消息"	);
	    	errors.add("select", error);
	    	this.saveMessages(request, errors);
	    	return mapping.findForward("error");
	    }
		
	}

}