registeraction.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 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 org.hibernate.Session;
import org.hibernate.Transaction;

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

/**
 * MyEclipse Struts Creation date: 03-18-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/register" name="registerForm" input="/register.jsp"
 *                scope="request" validate="true"
 */
public class RegisterAction 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) {
		RegisterForm registerForm = (RegisterForm) form;

		String name = registerForm.getName();
		String pwd = registerForm.getPwd().concat(name);
		String email = registerForm.getEmail();
		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(name, password, 1, email);

		Transaction tr = null;
		Session session = userdao.getSession();
		try {
			tr = session.beginTransaction();
			session.save(user);
			tr.commit();
		} catch (Exception e) {
			e.printStackTrace();
			tr.rollback();
		} finally {
			session.close();
		}
		request.getSession().setAttribute("user", user);
		return mapping.findForward("input");
	}
}