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Spring2.5.3+Hibernate3.2+Struts2.0.11整合

Spring2.5.3+Hibernate3.2+Struts2.0.11整合

只有Struts2基礎（初學Hibernate/Spring第三天就想著整合），有些地方不是很懂，看了網上大部分的例子、blog，百分百的MyEclipse插件，本人不太習慣使用MyEclipse，主要是Eclipse使用的時間比較長，使用MyEclipse6.0.1時（第一次用）比如你要輸入.getHibernateTemplate()時，輸入點時就有提示，但是當我輸入點后面的字母出錯時，只能返回到輸入點之前才按點“.”可以提示，按ALT+/也不會出現，是不是我不知道快捷鍵，或是其它的方式，總之我在Eclipse中輸入一半錯誤時按ALT+/可以又出來提示，雖然不是特依賴提示功能，但是用起來還是不爽，畢竟每天都在使用它，哪位要是知道的話煩請告訴一聲bulktree@126.com。

僅僅看了兩天的官方文檔就寫了這個整合的新聞發布系統，感覺蠻好的，是個好的開始 come on!

以下是一個新聞發布系統的登錄模塊：（兩天看文檔，一夜寫成的，不是很完善，僅僅實現基本的增刪查改功能，主要是整合練習）

首先配置三個框架，有人說要是使用MyEclipse自動生成會有順序Spring->Hibernate->Struts,太依賴工具不是本人的習慣，這些是后話。
開發工具Eclipse J2EE Developer Tomcat6.0.13 Mysql 6.0
新建Dynamic Web Project

拷貝工程所需的jar包到WEB-INF/lib下

數據庫創建腳本

DROPTABLE context;

CREATETABLE context

(

id VARCHAR(32) NOTNULLPRIMARYKEY,

title VARCHAR(100),

times DATETIME,

content VARCHAR(500),

author VARCHAR(50),

click INT,

typeVARCHAR(50)

);

DROPTABLEuser;

CREATETABLEuser

(

uid VARCHAR(50) NOTNULLPRIMARYKEY,

uname VARCHAR(50),

password VARCHAR(50) NOTNULL

);

在web.xml中配置Struts2和Spring

<filter-name>Struts2</filter-name>

<filter-class>

org.apache.struts2.dispatcher.FilterDispatcher

</filter-class>

</filter>

<filter-name>encodingFilter</filter-name>

<filter-class>

org.springframework.web.filter.CharacterEncodingFilter

</filter-class>

<init-param>

<param-name>encodingFilter</param-name>

<param-value>UTF-8</param-value>

</init-param>

</filter>

<filter-mapping>

<filter-name>Struts2</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>

<listener-class>

org.springframework.web.context.ContextLoaderListener

</listener-class>

</listener>

項目中我使用的是Tomcat數據源配置如下，如果你不使用Tomcat數據源也可以在下面的配置文件中配置：

</Context>

也在在配置applicationContext.xml文件中配置數據源

</bean>

在applicationContext.xml中配置sessionFactory

<bean id="dataSource"

class="org.springframework.jndi.JndiObjectFactoryBean">

</bean>

<bean id="sessionFactory"

class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

<list>

<value>org/bulktree/ssh2/news/vo/User.hbm.xml</value>

<value>org/bulktree/ssh2/news/vo/News.hbm.xml</value>

</list>

</property>

<value>

hibernate.dialect=org.hibernate.dialect.MySQLDialect

</value>

</property>

</bean>

3. 開始編碼：
我們必須明確Spring框架的體系結構，新建以下幾個包

User.java

package org.bulktree.ssh2.news.vo;

publicclass User {

private String uid;

private String uname;

private String password;

public String getUid() {

returnuid;

}

Getter/setter’’’’’’’’’’’

publicvoid setPassword(String password) {

this.password = password;

}

在User類同包下即org.bulktree.ssh2.news.vo新建User.hbm.xml文件

<?xml version="1.0"?>

<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="org.bulktree.ssh2.news.vo">

</id>

</class>

</hibernate-mapping>

新建UserDao.java接口

package org.bulktree.ssh2.news.dao;

import java.util.List;

import org.bulktree.ssh2.news.vo.User;

publicinterface UserDao {

/**

*增加一個用戶

*@throwsException

publicvoid addUser(User user) throws Exception;

/**

*根據uid/password查詢User

*@paramuid

*@parampassword

*@return

*@throwsException

public User queryByUidAndPassword(String uid, String password) throws Exception;

/**

*刪除用戶

*@paramuid

*@throwsException

publicvoid delete(String uid) throws Exception;

/**

*查詢全部用戶

*@returnList

*@throwsException

public List<User> queryAll() throws Exception;

}

UserDaoImpl.java接口實現類

package org.bulktree.ssh2.news.dao.impl;

import java.util.List;

import org.bulktree.ssh2.news.dao.UserDao;

import org.bulktree.ssh2.news.vo.User;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

/**

* 繼承HibernateDaoSuppor類實現getHibernateTemplate()

* @author bulktree

public class UserDaoImpl extends HibernateDaoSupport implements UserDao {

@Override

public void addUser(User user) throws Exception {

this.getHibernateTemplate().save(user);

}

@Override

public void delete(String uid) throws Exception {

// TODO Auto-generated method stub

}

@Override

public List<User> queryAll() throws Exception {

// TODO Auto-generated method stub

return null;

}

@Override

public User queryByUidAndPassword(String uid, String password)

throws Exception {

String hql = "FROM User as u WHERE u.uid=? and u.password=?";

String[] str = new String[] { uid, password };

List<User> users = this.getHibernateTemplate().find(hql, str);

if (users != null && users.size() >= 1) {

return users.get(0);

} else {

return null;

}

Service層，新建一UserService.java接口

package org.bulktree.ssh2.news.service;

publicinterface UserService {

/**

*添加一個用戶

*@paramuid

*@paramuname

*@parampassword

*@return新增用戶的uid

*@throwsException

public String addUser(String uid, String uname, String password) throws Exception;

/**

*驗證登錄

*@paramuid

*@parampassword

*@returnuid

*@throwsException

public String isLogin(String uid, String password) throws Exception;

}

接口實現類

package org.bulktree.ssh2.news.service.impl;

import org.bulktree.ssh2.news.dao.UserDao;

import org.bulktree.ssh2.news.service.UserService;

import org.bulktree.ssh2.news.vo.User;

/**

* UserService實現類

* @author bulktree

public class UserServiceImpl implements UserService {

private UserDao userDao;

public void setUserDao(UserDao userDao) {

this.userDao = userDao;

}

@Override

public String addUser(String uid, String uname, String password)

throws Exception {

User user = new User();

user.setUid(uid);

user.setUname(uname);

user.setPassword(password);

userDao.addUser(user);

return user.getUid();

}

@Override

public String isLogin(String uid, String password) throws Exception {

User user = userDao.queryByUidAndPassword(uid, password);

if(user != null) {

return user.getUname();

} else {

return null;

}

最后我們新建一Action，LoginAction.java

package org.bulktree.ssh2.news.action;

import java.util.Map;

import org.bulktree.ssh2.news.service.UserService;

import org.bulktree.ssh2.news.vo.User;

import com.opensymphony.xwork2.ActionContext;

import com.opensymphony.xwork2.ActionSupport;

/**

* 登錄Action

* @author bulktree

public class LoginAction extends ActionSupport {

private User user;

private UserService userService;

public User getUser() {

return user;

}

public void setUser(User user) {

this.user = user;

}

public UserService getUserService() {

return userService;

}

public void setUserService(UserService userService) {

this.userService = userService;

}

@Override

public String execute() throws Exception {

if (isInvalid(user.getUid())) {

this.addFieldError("uid", "登錄ID不能為空");

return INPUT;

}

if (isInvalid(user.getPassword())) {

this.addFieldError("password", "密碼項不能為空");

return INPUT;

}

String uname = userService.isLogin(user.getUid(), user.getPassword());

if (uname != null) {

Map session = ActionContext.getContext().getSession();

session.put("uname", uname);

session.put("uid", user.getUid());

return SUCCESS;

} else {

this.addFieldError("idorpassword", "登錄ID或密碼錯誤");

return INPUT;

}

private boolean isInvalid(String value) {

return (value == null || value.length() == 0);

}

下來就是login.jsp頁面文件了

<s:form action="login" method="post">

<s:textfield name="user.uid" label="UID" tooltip="ENTER YOUR UID" />

<s:password name="user.password" label="PASSWORD"

tooltip="ENTER YOUR PASSWORD" />

<s:submit></s:submit>

</s:form>

<s:a href="regist.jsp">REGIST NEW COUNT</s:a></center>

下來就是applicationContext.xml文件的配置

</property>

</bean>

</property>

</bean>

</property>

</bean>

·bean的id屬性就是對應類class的實例

·property元素的name屬性為bean的class屬性對應類的屬性名，

·ref為引用bean，引用的是bean的id

Struts.xml文件完整配置

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

<!DOCTYPE struts PUBLIC

"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"

"http://struts.apache.org/dtds/struts-2.0.dtd">

<result>/addNews.jsp</result>

<result name="input">/login.jsp</result>

</action>

<result>/login.jsp</result>

<result name="input">/regist.jsp</result>

</action>

<result>/newsList.jsp</result>

<result name="input">/addNews.jsp</result>

</action>

<result type="redirect-action">listall</result>

<result name="input">/addNews.jsp</result>

</action>

</package>

</struts>

·form表單的action對應struts.xml文件中的action的name屬性，由于Strust由Spring管理，struts.xml文件中的action元素class屬性對應的是applicationContext.xml文件中bean元素id屬性

最后貼上完整的applicationContext.xml文件

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

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">

<bean id="dataSource"

class="org.springframework.jndi.JndiObjectFactoryBean">

</bean>

<bean id="sessionFactory"

class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

<list>

<value>org/bulktree/ssh2/news/vo/User.hbm.xml</value>

<value>org/bulktree/ssh2/news/vo/News.hbm.xml</value>

</list>

</property>

<value>

hibernate.dialect=org.hibernate.dialect.MySQLDialect

</value>

</property>

</bean>

</property>

</bean>

</property>

</bean>

</property>

</bean>

</property>

</bean>

</property>

</bean>

</property>

</bean>

</property>

</bean>

</property>

</bean>

</beans>

·applicationContext.xml文件默認加載路徑classpath下，也就是WEB-INF下

·整個工程沒有用到hibernate.cfg.xml文件，Spring管理了hibernate,這個文件不起什么作用了，但是最好還是加上

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

<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"

"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>

<session-factory>

<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>

<mapping class="com.bulktree.ssh2.vo.User"

package="com.bulktree.ssh2.vo" resource="com/bulktree/ssh2/vo/User.hbm.xml"/>

</session-factory>

</hibernate-configuration>

posted on 2008-04-18 13:59 凌晨風閱讀(8400) 評論(20) 編輯收藏所屬分類: Spring/Hibernate/Struts2

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