1 login.jsp代码

<%@ page language="java" contentType="text/html; charset=UTF-8"

    pageEncoding="UTF-8"%>

<%@ taglib uri="/struts-tags" prefix="s"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/frameset.dtd">

<HTML xmlns="http://www.w3.org/1999/xhtml">

<HEAD>

<META http-equiv=Content-Type content="text/html; charset=utf-8">

<STYLE type=text/css>

BODY {

    FONT-SIZE: 12px; COLOR: #ffffff; FONT-FAMILY: 宋体

}

TD {

    FONT-SIZE: 12px; COLOR: #ffffff; FONT-FAMILY: 宋体

}

</STYLE>

<META content="MSHTML 6.00.6000.16809" name=GENERATOR></HEAD>

<BODY>

<FORM id=form1 name=form1 action="${pageContext.request.contextPath }/UserAction_login" method=post>

<DIV id=UpdatePanel1>

<DIV id=div1

style="LEFT: 0px; POSITION: absolute; TOP: 0px; BACKGROUND-COLOR: #0066ff"></DIV>

<DIV id=div2

style="LEFT: 0px; POSITION: absolute; TOP: 0px; BACKGROUND-COLOR: #0066ff"></DIV>

<DIV>&nbsp;&nbsp; </DIV>

<DIV>

<TABLE cellSpacing=0 cellPadding=0 width=900 align=center border=0>

  <TBODY>

  <TR>

    <TD style="HEIGHT: 105px"><IMG src="data:images/login_1.gif"

  border=0></TD></TR>

  <TR>

    <TD background=images/login_2.jpg height=300>

      <TABLE height=300 cellPadding=0 width=900 border=0>

        <TBODY>

        <TR>

          <TD colSpan=2 height=35></TD></TR>

        <TR>

          <TD width=360></TD>

          <TD>

            <TABLE cellSpacing=0 cellPadding=2 border=0>

              <TBODY>

              <TR>

                <TD style="HEIGHT: 28px" width=80>登 录 名：</TD>

                <TD style="HEIGHT: 28px" width=150><INPUT id=txtName

                  style="WIDTH: 130px" name="user_code"></TD>

                <TD style="HEIGHT: 28px" width=370><SPAN

                  id=RequiredFieldValidator3

                  style="FONT-WEIGHT: bold; VISIBILITY: hidden; COLOR: white">请输入登录名</SPAN></TD></TR>

              <TR>

                <TD style="HEIGHT: 28px">登录密码：</TD>

                <TD style="HEIGHT: 28px"><INPUT id=txtPwd style="WIDTH: 130px"

                  type=password name="user_password"></TD>

                <TD style="HEIGHT: 28px"><SPAN id=RequiredFieldValidator4

                  style="FONT-WEIGHT: bold; VISIBILITY: hidden; COLOR: white">请输入密码</SPAN></TD></TR>

              <TR>

                <TD style="HEIGHT: 28px">验证码：</TD>

                <TD style="HEIGHT: 28px"><INPUT id=txtcode

                  style="WIDTH: 130px" name=txtcode></TD>

                <TD style="HEIGHT: 28px">&nbsp;</TD></TR>

              <TR>

                <TD style="HEIGHT: 18px"></TD>

                <TD style="HEIGHT: 18px"><span style="color:red"><s:property value="exception.message"/></span></TD>

                <TD style="HEIGHT: 18px"></TD></TR>

              <TR>

                <TD></TD>

                <TD><INPUT id=btn

                  style="BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-RIGHT-WIDTH: 0px"

                  type=image src="data:images/login_button.gif" name=btn>

              </TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR>

  <TR>

    <TD><IMG src="data:images/login_3.jpg"

border=0></TD></TR></TBODY></TABLE></DIV></DIV>

</FORM>

<s:debug></s:debug>

</BODY></HTML>

2 UserAction

package www.test.web.action;

import com.opensymphony.xwork2.ActionContext;

import com.opensymphony.xwork2.ActionSupport;

import com.opensymphony.xwork2.ModelDriven;

import www.test.domain.User;

import www.test.service.UserService;

import www.test.service.impl.UserServiceImpl;

public class UserAction extends ActionSupport implements ModelDriven<User> {

    private User user = new User();

    private UserService us  = new UserServiceImpl();

    public String login() throws Exception {

        //1 调用Service 执行登陆操作

        User u = us.login(user);

        //2 将返回的User对象放入session域作为登陆标识

        ActionContext.getContext().getSession().put("user", u);

        //3 重定向到项目的首页

        return "toHome";

    }

    @Override

    public User getModel() {

        return user;

    }

}

3 UserServiceImpl

package www.test.service.impl;

import www.test.dao.UserDao;

import www.test.dao.impl.UserDaoImpl;

import www.test.domain.User;

import www.test.service.UserService;

import www.test.utils.HibernateUtils;

public class UserServiceImpl implements UserService {

    private UserDao ud = new UserDaoImpl();

    @Override

    public User login(User user) {

        //打开事务

        HibernateUtils.getCurrentSession().beginTransaction();

        //1.调用Dao根据登陆名称查询User对象

        User existU = ud .getByUserCode(user.getUser_code());

        //提交事务

        HibernateUtils.getCurrentSession().getTransaction().commit();

        if(existU==null){

            //获得不到=>抛出异常提示用户名不存在

            throw new RuntimeException("用户名不存在!");

        }

        //2 比对密码是否一致

        if(!existU.getUser_password().equals(user.getUser_password())){

            //不一致=>抛出异常提示密码错误

            throw new RuntimeException("密码错误!");

        }

        //3 将数据库查询的User返回

        return existU;

    }

}

4 UserDaoImpl

package www.test.dao.impl;

import org.hibernate.Query;

import org.hibernate.Session;

import www.test.dao.UserDao;

import www.test.domain.User;

import www.test.utils.HibernateUtils;

public class UserDaoImpl implements UserDao {

    @Override

    public User getByUserCode(String user_code) {

        //HQL查询

        //1.获得Session

        Session session = HibernateUtils.getCurrentSession();

        //2 书写HQL

        String hql = "from User where user_code = ? ";

        //3 创建查询对象

        Query query = session.createQuery(hql);

        //4 设置参数

        query.setParameter(0, user_code);

        //5 执行查询

        User u = (User) query.uniqueResult();

        return u;

    }

}

5 struts.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE struts PUBLIC

    "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"

    "http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>

    <!-- 指定struts2是否以开发模式运行

            1.热加载主配置.(不需要重启即可生效)

            2.提供更多错误信息输出,方便开发时的调试

     -->

    <constant name="struts.devMode" value="true"></constant>

    <package name="crm" namespace="/" extends="struts-default" >

        <global-exception-mappings>

            <!-- 如果出现名为java.lang.RuntimeException的异常，就跳转到名为error的结果 -->

            <exception-mapping result="error" exception="java.lang.RuntimeException"></exception-mapping>

        </global-exception-mappings>

        <action name="CustomerAction_*" class="www.test.web.action.CustomerAction" method="{1}" >

            <result name="list" >/jsp/customer/list.jsp</result>

            <result name="toList" type="redirectAction">

                 <param name="actionName">CustomerAction_list</param>

                 <param name="namespace">/</param>

             </result>

        </action>

        <action name="UserAction_*" class="www.test.web.action.UserAction" method="{1}" >

            <result name="toHome" type="redirect">/index.htm</result>

            <result name="error" type="dispatcher">/login.jsp</result>

        </action>

    </package>

</struts>

巴特西

案例46-crm练习客户登录

1 login.jsp代码

2 UserAction

3 UserServiceImpl

4 UserDaoImpl

5 struts.xml

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