logonaction.java

一个Struts的简易留言本

// Created by Xslt generator for Eclipse.
// XSL :  not found (java.io.FileNotFoundException:  (Bad file descriptor))
// Default XSL used : easystruts.jar$org.easystruts.xslgen.JavaClass.xsl

package net.javafan.guestbook.action;

import java.sql.ResultSet;
import java.sql.SQLException;

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

import net.javafan.guestbook.dboperator.DBConn;
import net.javafan.guestbook.form.LogonForm;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/** 
 * LogonAction.java created by EasyStruts - XsltGen.
 * http://easystruts.sf.net
 * created on 09-19-2004
 * 
 * XDoclet definition:
 * @struts:action path="/logon" name="logonForm" input="/logon.jsp" validate="true"
 * @struts:action-forward name="/index.jsp" path="/index.jsp"
 */
public class LogonAction extends Action {

	// --------------------------------------------------------- Instance Variables

	// --------------------------------------------------------- Methods

	/** 
	 * Method execute
	 * @param ActionMapping mapping
	 * @param ActionForm form
	 * @param HttpServletRequest request
	 * @param HttpServletResponse response
	 * @return ActionForward
	 * @throws Exception
	 */
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response)
		throws Exception {
		LogonForm logonForm = (LogonForm) form;
		String username = logonForm.getUsername();
		String password = logonForm.getPassword();
		DBConn db = new DBConn();
		try{
			ResultSet rs = db.executeQuery("select * from admin where UserName='"+username+"' and PassWord='"+password+"'");
			if(rs.next()){
				HttpSession session = request.getSession();
				session.setAttribute("admin", username);
			}else{
				ActionErrors errors = new ActionErrors();
				logonForm.reset(mapping,request);
				return (mapping.findForward("failure"));
			}
		}catch(SQLException ex){
			System.out.print("Logon Error：" + ex.getMessage());
		}finally{
			db.CloseConn();
		}
		
		return (mapping.findForward("success"));
	}

}