loginaction.java

struts hibernate spring实现新闻发布系统含说明文档

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.ata.wx.java01b.struts.action;

import java.security.MessageDigest;
import java.util.List;

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

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 com.ata.wx.java01b.dao.User;
import com.ata.wx.java01b.dao.UserDAO;
import com.ata.wx.java01b.struts.form.LoginForm;

/**
 * MyEclipse Struts Creation date: 03-17-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/login" name="loginForm" input="/index.jsp"
 *                scope="request" validate="true"
 */
public class LoginAction extends Action {
	/*
	 * Generated Methods
	 */
	UserDAO userdao = new UserDAO();

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		LoginForm loginForm = (LoginForm) form;
		ActionForward forward = null;
		String name = loginForm.getName();
		String pwd = loginForm.getPwd().concat(name);
		String password=null;
		try{
			MessageDigest MD=MessageDigest.getInstance("MD5");//生成MessageDigest对象MD
			MD.update(pwd.getBytes("UTF8"));//传入要计算的字符串
			byte[] passwordMD5Byte=MD.digest();//计算消息摘要
			password=new String(passwordMD5Byte);
		}catch(Exception e){
			e.printStackTrace();
		}
		User user=new User();
		user.setUsername(name);
		user.setUserpwd(password);
		List<User> userlist = userdao.findByExample(user);
		if (userlist.size()!=0) {
			user.setEmail(userlist.get(0).getEmail());
			user.setUserid(userlist.get(0).getUserid());
			user.setType(userlist.get(0).getType());
			request.getSession().setAttribute("user", user);
			forward = mapping.findForward("ok");
		} else {
			forward = mapping.findForward("register");
		}
		return forward;
	}
}