delbookaction.java

基于java/mysql的图书管理系统,主要使用的技术有java+jsp+tomcat+mysql+eclipse jdk版本1.6.0

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.1.0/xslt/JavaClass.xsl

package com.zyuntao.struts.action;

import java.sql.SQLException;

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

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 com.zyuntao.struts.form.DelForm;
import com.zyuntao.struts.model.*;

/** 
 * MyEclipse Struts
 * Creation date: 04-04-2006
 * 
 * XDoclet definition:
 * @struts.action path="/Delbook" name="BookForm" input="/admin.jsp" scope="request" validate="true"
 */
public class DelbookAction extends Action {
	public ActionForward execute(
			ActionMapping mapping,
			ActionForm form,
			HttpServletRequest request,
			HttpServletResponse response) throws SQLException{
			HttpSession session=request.getSession();
			if(session.getAttribute("admin")!=null){
		    DelForm DelForm=(DelForm)form;
			int bookid=DelForm.getBookid();
		    BookManager bm=new BookManager();
		    ActionMessages messages= new ActionMessages();
			if(bm.delbook(bookid))
			{
				return mapping.findForward("success");
				}
			else{
			messages.add("delerror2", new ActionMessage("error.input"));
			saveMessages(request, messages);
			return mapping.getInputForward();
			}}
			return mapping.findForward("index");
		}
	}