Struts1.2+Spring2.5+Hibernate3.2框架搭建（十二）

4.6. 修改 LoginAction.java 文件
　　在LoginAction.java类中定义属性public IUsersBusiness usersBusiness;并定义了一个setUsersBusiness(IUsersBuseiness usersBusiness)方法，可以让我们注入IUsersBusiness的实例，在Action中使用 IUsersBusiness对象来验证用户信息：（IUsersBusiness为接口类型）

/*

 * Generated by MyEclipse Struts

 * Template path: templates/java/JavaClass.vtl

 */

package com.zlk.struts.action;

 

import java.io.IOException;

import java.io.PrintWriter;

 

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.ActionForward;

import org.apache.struts.action.ActionMapping;

import org.apache.struts.actions.DispatchAction;

 

import com.zlk.business.IUsersBusiness;

import com.zlk.struts.form.LoginForm;

 

/**

 * MyEclipse Struts

 * Creation date: 03-05-2010

 *

 * XDoclet definition:

 * @struts.action path="/login" name="loginForm" parameter="methods" scope="request" validate="true"

 */

public class LoginAction extends DispatchAction {

    /*

     * Generated Methods

     */

    private IUsersBusiness usersBusiness;

 

    public void setUsersBusiness(IUsersBusiness usersBusiness) {

       this.usersBusiness = usersBusiness;

    }

 

    /**

     * 登陆的方法

     */

    public ActionForward login(ActionMapping mapping, ActionForm form,

           HttpServletRequest request, HttpServletResponse response) {

       LoginForm loginForm = (LoginForm) form;// TODO Auto-generated method stub

       response.setContentType("text/html;charset=UTF-8");

       PrintWriter out = null;

       try {

           out = response.getWriter();

           if(usersBusiness.getUser(loginForm)!=null){

              out.print("<font color='red'>"+loginForm.getUsername()+"</font>恭喜你登陆成功！");

           }else{

              out.println("对不起，登陆失败");

           }

       } catch (IOException e) {

           // TODO Auto-generated catch block

           e.printStackTrace();

       }

      

       return null;

    }

   

    /**

     * 注册的方法

     */

    public ActionForward register(ActionMapping mapping, ActionForm form,

           HttpServletRequest request, HttpServletResponse response) {

       LoginForm loginForm = (LoginForm) form;// TODO Auto-generated method stub

       response.setContentType("text/html;charset=UTF-8");

       PrintWriter out = null;

       try {

           out = response.getWriter();

           if(!usersBusiness.isExitUserName(loginForm)){

              if(usersBusiness.addUser(loginForm)){

                  out.print("<font color='red'>"+loginForm.getUsername()+"</font>恭喜你注册成功！");

                  out.print("</br>");

                  out.print("用户名："+loginForm.getUsername());

                  out.print("</br>");

                  out.print("密&nbsp;&nbsp;&nbsp;&nbsp;码："+loginForm.getPassword());

                  out.print("</br>");

                  out.print("<a href='"+request.getContextPath()+"/register.jsp'><<<返回</a>");

                  out.print("&nbsp;&nbsp;&nbsp;&nbsp;");

                  out.print("<a href='"+request.getContextPath()+"/login.jsp'>登陆>>></a>");

              }else{

                  out.print("对不起注册失败!");

                  out.print("</br>");

                  out.print("<a href='"+request.getContextPath()+"/register.jsp'><<<返回</a>");

              }

           }else{

              out.print("用户<font color='red'>"+loginForm.getUsername()+"</font>名已存在!");

              out.print("</br>");

              out.print("<a href='"+request.getContextPath()+"/register.jsp'><<<返回</a>");

           }

       } catch (IOException e) {

           // TODO Auto-generated catch block

           e.printStackTrace();

       }

       return null;

    }

}