註解方式實現ssh框架搭建

花了兩天時間，結合了網上大神們提供的信息，自己動手利用註解方式搭建了ssh框架，並實現了註冊登錄的簡單功能，下面給大家展示一下自己的學習成果，如有疑問的地方，還望各位留言指出，謝謝~

項目結構：

效果展示：

好啦，上面就是運行後項目的展示效果，界面醜就不要吐槽啦。。
下面來貼代碼。

1.web.xml配置

其實web.xml配置大概都是差不多的路子，代碼中我都加了註釋，相信大家應該都能看懂滴

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  <display-name>sshPro</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.jsp</welcome-file>

  </welcome-file-list>

    <!-- 項目名稱 -->
  <display-name>sshPro</display-name>

    <!--spring框架配置文件  -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>/WEB-INF/config/applicationContext*.xml</param-value>
  </context-param>

    <!-- spring監聽 -->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>

    <!-- struts2配置 -->
  <filter>
    <filter-name>struts2</filter-name>
    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    <init-param>
                <!-- 固定格式-->
                <param-name>actionPackages</param-name> 
                <param-value>com.ssh</param-value> 
    </init-param> 
  </filter>

  <filter-mapping>
    <filter-name>struts2</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  <!-- struts2配置結束 -->

  <!-- openSessionFilter加載配置 -->
  <filter>
    <filter-name>openSessionFilter</filter-name>
    <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
  </filter>

  <filter-mapping>
     <filter-name>openSessionFilter</filter-name>
     <url-pattern>/*</url-pattern>
  </filter-mapping>
  <!-- openSessionFilter加載配置結束 --> 

</web-app>

2.spring配置

spring的配置文件名爲applicationContext.xml，這裏文件的名字是和上面web.xml指定的名字相一致的，下面貼代碼

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

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
                           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
                           http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
                           http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

        <!-- 加載屬性文件 -->
    <context:property-placeholder location="WEB-INF/config/sshDB.properties" />

        <!-- 使用 annotation -->
    <context:annotation-config />
        <!-- 使用 annotation 自動註冊bean,並檢查@Controller, @Service, @Repository註解已被注入 --> 
    <context:component-scan base-package="com.ssh" />

        <!-- 配置數據源 -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="${ssh.jdbc.driverClassName}"></property>
        <property name="url" value="${ssh.jdbc.url}"></property>
        <property name="username" value="${ssh.jdbc.username}"></property>
        <property name="password" value="${ssh.jdbc.password}"></property>

    </bean>

        <!-- 配置sessionFactory -->
    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
        <property name="dataSource">
            <ref bean="dataSource"/>
        </property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.OracleDialect</prop>
                <!-- <prop key="hibernate.hbm2ddl.auto"></prop> -->
                <prop key="hibernate.show_sql">true</prop>
                <prop key="hibernate.format_sql">true</prop>
            </props>
        </property>

            <!-- 包掃描的方式加載entity類 -->
        <property name="packagesToScan" value="com.ssh.entity"></property>

    </bean>

        <!-- 事務管理器 -->
     <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
            <property name="sessionFactory" ref="sessionFactory"></property>
     </bean>

        <!-- 用註解來實現事務管理 -->
    <tx:annotation-driven transaction-manager="transactionManager" />
</beans>

3.struts2文件配置

這個就不解釋了。。

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

    <!-- 開啓使用開發模式，詳細錯誤提示 -->
    <constant name="struts.devMode" value="false" />
    <!-- 將對象交給spring管理 -->
    <constant name="struts.objectFactory" value="spring" />
    <!-- 指定資源編碼類型 -->
    <constant name="struts.i18n.encoding" value="UTF-8" /> 
    <!-- 指定每次請求到達，重新加載資源文件 -->
    <constant name="struts.i18n.reload" value="false" />
    <!-- 指定每次配置文件更改後，自動重新加載 -->
    <constant name="struts.configuration.xml.reload" value="false" />
<!--     
        國際化資源文件
    <constant name="struts.custom.i18n.resources" value="resources/content/Language" />
    默認後綴名
    <constant name="struts.action.extension" value="do,action,jhtml,," /> -->

</struts>

4.entity實體類

package com.ssh.entity;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;

import org.hibernate.annotations.GenericGenerator;

@Entity
@Table(name = "BASE_USER")
public class User {

    private String id;   //用戶id
    private String userName;    //用戶名
    private String password;    //用戶密碼

    @Id
    @Column(name="USERID")
    @GeneratedValue(generator="system-uuid")
    @GenericGenerator(name = "system-uuid",strategy="uuid")
    public String getId() {
        return id;
    }
    public void setId(String id) {
        this.id = id;
    }   
    @Column(name = "USERNAME")
    public String getUserName() {
        return userName;
    }
    public void setUserName(String userName) {
        this.userName = userName;
    }
    @Column(name = "PASSWORD")
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }   

}

5.dao層接口

package com.ssh.dao;

import com.ssh.entity.User;

public interface IUserDao {

    //添加用戶
    public void saveUser(User user);
    //根據用戶名和密碼查詢用戶，判斷用戶是否可以登錄成功
    public boolean getUserByNameAndPassword(User user);
    //根據用戶名查詢用戶，判斷是否註冊成功
    public boolean getUserByName(String userName);
}

dao接口實現類

package com.ssh.dao.impl;


import java.util.List;

import javax.annotation.Resource;

import org.hibernate.Query;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import com.ssh.dao.IUserDao;
import com.ssh.entity.User;

@Repository
public class UserDao implements IUserDao{

    @Resource
    @Autowired
    private SessionFactory sessionFactory;

    @Override
    public void saveUser(User user){
        sessionFactory.getCurrentSession().save(user);
    }

    @Override
    public boolean getUserByNameAndPassword(User user){

        String hql = "from User where userName=? and password = ?";
        Query query = sessionFactory.getCurrentSession().createQuery(hql)
                    .setParameter(0, user.getUserName())
                    .setParameter(1, user.getPassword());
        List list = (List) query.list();
        if(list.size() > 0 ){
            return true;
        }
        return false;

    }

    @Override
    public boolean getUserByName(String userName){

        String hql = "from User where userName=?";
        Query query = sessionFactory.getCurrentSession().createQuery(hql)
                    .setParameter(0, userName);
        List list = (List) query.list();
        if(list.size() > 0 ){
            return true;
        }
        return false;

    }
}

6.service層接口

package com.ssh.service;

import com.ssh.entity.User;

public interface IUserService {

    //添加用戶
    public void saveUser(User user);
    //根據用戶名和密碼查詢用戶，判斷用戶是否可以登錄成功
    public boolean getUserByNameAndPassword(User user);
    //根據用戶名查詢用戶，判斷是否註冊成功
    public boolean getUserByName(String userName);
}

service層接口實現類

這裏一定注意的是，註解@Transactional一定要加上，否則將會報錯

package com.ssh.service.impl;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.ssh.dao.IUserDao;
import com.ssh.entity.User;
import com.ssh.service.IUserService;

@Service
@Transactional
public class UserService implements IUserService{

    @Resource
    private IUserDao iUserDao;

    @Override
    public void saveUser(User user){
        iUserDao.saveUser(user);
    }

    @Override
    public boolean getUserByNameAndPassword(User user){
        return iUserDao.getUserByNameAndPassword(user);
    }

    @Override
    public boolean getUserByName(String userName){
        return iUserDao.getUserByName(userName);
    }
}

7.action類

這是ssh框架的一個核心，前臺的請求都是跳轉到這裏來實現數據處理，同時，這裏也很容易出錯，看清楚extends繼承的是誰，大家務必細心喔

package com.ssh.action;

import javax.annotation.Resource;

import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ActionSupport;
import com.ssh.entity.User;
import com.ssh.service.IUserService;

/**
 * 用戶控制器的實現，判斷登錄的用戶名以及密碼是否存在
 * @author Administrator
 *
 */
@Namespace("/user")
@Controller
public class UserAction extends ActionSupport {

    private static final long serialVersionUID = -6608326471441433394L;

    @Resource
    private IUserService iUserService;

    private User user;

    public User getUser() {
        return user;
    }
    public void setUser(User user) {
        this.user = user;
    }

    /**
     * 註冊新用戶
     * @return
     */
    @Action(value="regAction",results={
            @Result(name="regSuccess",location="/regSucc.jsp"),
            @Result(name="regFaile",location="/regFaile.jsp")
    })
    public String register(){
        System.out.println("註冊id： "+user.getId() +"    註冊的用戶名： "+user.getUserName()+"     密碼： "+user.getPassword());
        iUserService.saveUser(user);
        Boolean check = iUserService.getUserByName(user.getUserName());
        if(check){
            System.out.println("reg seccess");
            return "regSuccess";
        }else{
            System.out.println("reg faile");
            return "regFaile";
        }
    }

    /**
     * 檢查用戶登錄
     * @return
     */
    @Action(value="loginAction",results={
            @Result(name="LoginSuccess",location="/loginSucc.jsp"),
            @Result(name="LoginFaile",location="/loginFaile.jsp")
    })
    public String login(){
        Boolean check = iUserService.getUserByNameAndPassword(user);
        if(check){
            System.out.println("login seccess");
            return "LoginSuccess";
        }else{
            System.out.println("login faile");
            return "LoginFaile";
        }
    }



}

8.前臺頁面，這裏爲了簡便點，我就只貼出登錄頁面的代碼

<?xml version="1.0" encoding="UTF-8" ?>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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">
#iframe{
    width: 250px;
    vertical-align: middle;
}
p{
    margin: 20px auto;
}
span{
    font:15px normal inherit;
    color:#333a3a;
    float: left;    
}

input{
    float: right;
    border: 1px solid #ccc;
}

.inputFloat {
    float: none;
    margin-top: 15px;
    margin-left: 100px;
}

a{
    float: none;
    margin-top: 20px;
    margin-left: 100px;
}
</style>
<title>登錄</title>
</head>
<body>
    <div id="iframe">
        <form method="post" action="user/loginAction">
            <p id="pp"><span>用戶名：</span><input type="text" name="user.userName"  /></p>
            <p><span>密碼：</span><input type="text" name="user.password"  /></p>
            <p><input type="submit" value="登錄" class="inputFloat" /></p>
            <a href="<%=path %>/reg.jsp" title="新用戶">新用戶</a>            
        </form>

    </div>
</body>
</html>

最後是，給出源碼的下載鏈接：
http://download.csdn.net/detail/tianxiezuomaikong/9648841

另外推薦一篇不錯的文章，借鑑學習下：
http://www.oschina.net/code/snippet_147955_5079

TianXieZuoMaiKong

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註解方式實現ssh框架搭建

1.web.xml配置

2.spring配置

3.struts2文件配置

4.entity實體類

5.dao層接口

dao接口實現類

6.service層接口

service層接口實現類

7.action類

8.前臺頁面，這裏爲了簡便點，我就只貼出登錄頁面的代碼

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