spring hibernate struts整合開發實例

          一,數據表(因為是一個小例子,所以只有一個表,畢竟這不是一個講怎么配置hibernate級聯的例子。)
          CREATE TABLE `members` (
          `id` int(7) NOT NULL auto_increment,
          `name` varchar(20) NOT NULL default '',
          `password` varchar(20) default NULL,
          `sex` varchar(10) default NULL,
          `mail` varchar(50) default NULL,
          PRIMARY KEY (`id`),
          UNIQUE KEY `name` (`name`)
          ) ENGINE=MyISAM AUTO_INCREMENT=4 DEFAULT CHARSET=utf8
          二,hibernate持久化類及映射文件、數據庫操作封裝DAO
          package com.yang.product.booksonline.dao;

          /**
          * Members
          */

          public class Members implements java.io.Serializable {


          ? // Fields ?

          ? private Integer id;
          ? private String name;
          ? private String password;
          ? private String sex;
          ? private String mail;


          ? // Constructors

          ? /** default constructor */
          ? public Members() {
          ? }

          ? ? ?/** minimal constructor */
          ? public Members(String name) {
          ? ? this.name = name;
          ? }
          ?
          ? /** full constructor */
          ? public Members(String name, String password, String sex, String mail) {
          ? ? this.name = name;
          ? ? this.password = password;
          ? ? this.sex = sex;
          ? ? this.mail = mail;
          ? }

          ?
          ? // Property accessors

          ? public Integer getId() {
          ? ? return this.id;
          ? }
          ?
          ? public void setId(Integer id) {
          ? ? this.id = id;
          ? }

          ? public String getName() {
          ? ? return this.name;
          ? }
          ?
          ? public void setName(String name) {
          ? ? this.name = name;
          ? }

          ? public String getPassword() {
          ? ? return this.password;
          ? }
          ?
          ? public void setPassword(String password) {
          ? ? this.password = password;
          ? }

          ? public String getSex() {
          ? ? return this.sex;
          ? }
          ?
          ? public void setSex(String sex) {
          ? ? this.sex = sex;
          ? }

          ? public String getMail() {
          ? ? return this.mail;
          ? }
          ?
          ? public void setMail(String mail) {
          ? ? this.mail = mail;
          ? }
          }

          <?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>
          ? <class name="com.yang.product.booksonline.dao.Members" table="members" catalog="books">
          ? ? <id name="id" type="integer">
          ? ? ? ? <column name="id" />
          ? ? ? ? <generator class="native" />
          ? ? </id>
          ? ? <property name="name" type="string">
          ? ? ? ? <column name="name" length="20" not-null="true" unique="true" />
          ? ? </property>
          ? ? <property name="password" type="string">
          ? ? ? ? <column name="password" length="20" />
          ? ? </property>
          ? ? <property name="sex" type="string">
          ? ? ? ? <column name="sex" length="10" />
          ? ? </property>
          ? ? <property name="mail" type="string">
          ? ? ? ? <column name="mail" length="50" />
          ? ? </property>
          ? </class>
          </hibernate-mapping>

          package com.yang.product.booksonline.dao;

          import java.util.List;
          import org.apache.commons.logging.Log;
          import org.apache.commons.logging.LogFactory;
          import org.hibernate.LockMode;
          import org.hibernate.criterion.Example;
          import org.springframework.context.ApplicationContext;
          import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

          /**
          * Data access object (DAO) for domain model class Members.
          * @see com.yang.product.booksonline.dao.Members
          * @author lanxincao
          */
          public class MembersDAO extends HibernateDaoSupport {

          ? private static final Log log = LogFactory.getLog(MembersDAO.class);

          ? ? ?protected void initDao() {
          ? ? ? ? ? ?//do nothing
          ? ? ?}
          ?
          ? public void save(Members transientInstance) {
          ? ? log.debug("saving Members instance");
          ? ? try {
          ? ? ? ? getHibernateTemplate().saveOrUpdate(transientInstance);
          ? ? ? ? log.debug("save successful");
          ? ? } catch (RuntimeException re) {
          ? ? ? ? log.error("save failed", re);
          ? ? ? ? throw re;
          ? ? }
          ? }
          ?
          ? ? ?public void delete(Members persistentInstance) {
          ? ? log.debug("deleting Members instance");
          ? ? try {
          ? ? ? ? getHibernateTemplate().delete(persistentInstance);
          ? ? ? ? log.debug("delete successful");
          ? ? } catch (RuntimeException re) {
          ? ? ? ? log.error("delete failed", re);
          ? ? ? ? throw re;
          ? ? }
          ? }
          ?
          ? public Members findById( java.lang.Integer id) {
          ? ? log.debug("getting Members instance with id: " + id);
          ? ? try {
          ? ? ? ? Members instance = (Members) getHibernateTemplate()
          ? ? ? ? ? ? .get("com.yang.product.booksonline.dao.Members", id);
          ? ? ? ? return instance;
          ? ? } catch (RuntimeException re) {
          ? ? ? ? log.error("get failed", re);
          ? ? ? ? throw re;
          ? ? }
          ? }
          ?
          ?
          ? public List findByExample(Members instance) {
          ? ? log.debug("finding Members instance by example");
          ? ? try {
          ? ? ? ? List results = getSession()
          ? ? ? ? ? ? .createCriteria("com.yang.product.booksonline.dao.Members")
          ? ? ? ? ? ? .add(Example.create(instance))
          ? ? ? ? .list();
          ? ? ? ? log.debug("find by example successful, result size: " + results.size());
          ? ? ? ? return results;
          ? ? } catch (RuntimeException re) {
          ? ? ? ? log.error("find by example failed", re);
          ? ? ? ? throw re;
          ? ? }
          ? } ?
          ?
          ? public Members merge(Members detachedInstance) {
          ? ? log.debug("merging Members instance");
          ? ? try {
          ? ? ? ? Members result = (Members) getHibernateTemplate()
          ? ? ? ? ? ? .merge(detachedInstance);
          ? ? ? ? log.debug("merge successful");
          ? ? ? ? return result;
          ? ? } catch (RuntimeException re) {
          ? ? ? ? log.error("merge failed", re);
          ? ? ? ? throw re;
          ? ? }
          ? }

          ? public void attachDirty(Members instance) {
          ? ? log.debug("attaching dirty Members instance");
          ? ? try {
          ? ? ? ? getHibernateTemplate().saveOrUpdate(instance);
          ? ? ? ? log.debug("attach successful");
          ? ? } catch (RuntimeException re) {
          ? ? ? ? log.error("attach failed", re);
          ? ? ? ? throw re;
          ? ? }
          ? }
          ?
          ? public void attachClean(Members instance) {
          ? ? log.debug("attaching clean Members instance");
          ? ? try {
          ? ? ? ? getHibernateTemplate().lock(instance, LockMode.NONE);
          ? ? ? ? log.debug("attach successful");
          ? ? } catch (RuntimeException re) {
          ? ? ? ? log.error("attach failed", re);
          ? ? ? ? throw re;
          ? ? }
          ? }
          ?
          ? public List findByMembersName(String name){
          ? ? ? ?log.debug("finding by members' name.");
          ? ? ? ?try {
          ? ? ? ? ? ? ?return getHibernateTemplate().find("from Members as members where members.name = ?"
          ? ? ? ? ? ? ? ? ? ? ? ? ?,new String[]{name});
          ? ? ? ?} catch (RuntimeException re) {
          ? ? ? ? ? ? ?log.error("finding by members' name failed",re);
          ? ? ? ? ? ? ?throw re;
          ? ? ? ?}
          ? }

          ? ? ?public static MembersDAO getFromApplicationContext(ApplicationContext ctx) {
          ? ? ? ?return (MembersDAO) ctx.getBean("MembersDAO");
          ? ? ?}
          }

          三,spring配置
          <?xml version="1.0" encoding="UTF-8"?>
          <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

          <beans>


          ? ? ?<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
          ? ? ? ? ? ?<property name="driverClassName">
          ? ? ? ? ? ? ? ? ?<value>com.mysql.jdbc.Driver</value>
          ? ? ? ? ? ?</property>
          ? ? ? ? ? ?<property name="url">
          ? ? ? ? ? ? ? ? ?<value>jdbc:mysql://localhost:3306/books</value>
          ? ? ? ? ? ?</property>
          ? ? ? ? ? ?<property name="username">
          ? ? ? ? ? ? ? ? ?<value>root</value>
          ? ? ? ? ? ?</property>
          ? ? ? ? ? ?<property name="password">
          ? ? ? ? ? ? ? ? ?<value>snrdcqmq</value>
          ? ? ? ? ? ?</property>
          ? ? ?</bean>
          ? ? ?<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
          ? ? ? ? ? ?<property name="dataSource">
          ? ? ? ? ? ? ? ? ?<ref bean="dataSource" />
          ? ? ? ? ? ?</property>
          ? ? ? ? ? ?<property name="hibernateProperties">
          ? ? ? ? ? ? ? ? ?<props>
          ? ? ? ? ? ? ? ? ? ? ? ?<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
          ? ? ? ? ? ? ? ? ?</props>
          ? ? ? ? ? ?</property>
          ? ? ? ? ? ?<property name="mappingResources">
          ? ? ? ? ? ? ? ? ?<list>
          ? ? ? ? ? ? ? ? ? ? ? ?<value>com/yang/product/booksonline/dao/Members.hbm.xml</value>
          ? ? ? ? ? ? ? ? ?</list>
          ? ? ? ? ? ?</property>
          ? ? ?</bean>
          ? ? ?<bean id="MembersDAO" class="com.yang.product.booksonline.dao.MembersDAO">
          ? ? ? ? ? ?<property name="sessionFactory">
          ? ? ? ? ? ? ? ? ?<ref bean="sessionFactory" />
          ? ? ? ? ? ?</property>
          ? ? ?</bean>
          ? ? ?
          ? ? ?<bean name="/members" class="com.yang.product.booksonline.action.MembersAction">
          ? ? ? ? ? ?<property name="membersDAO">
          ? ? ? ? ? ? ? ? ?<ref bean="MembersDAO"/>
          ? ? ? ? ? ?</property>
          ? ? ?</bean>
          </beans>
          四,struts配置及action類
          <?xml version="1.0" encoding="UTF-8"?>
          <!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" "http://struts.apache.org/dtds/struts-config_1_2.dtd">

          <struts-config>
          <data-sources />
          <form-beans >
          ? <form-bean name="membersForm" type="org.apache.struts.validator.DynaValidatorForm">
          ? ? <form-property name="sex" type="java.lang.String" />
          ? ? <form-property name="password" type="java.lang.String" />
          ? ? <form-property name="mail" type="java.lang.String" />
          ? ? <form-property name="name" type="java.lang.String" />
          ? </form-bean>

          </form-beans>

          <global-exceptions />
          <global-forwards />
          <action-mappings >
          ? <action
          ? ? attribute="membersForm"
          ? ? name="membersForm"
          ? ? parameter="action"
          ? ? path="/members"
          ? ? scope="request"
          ? ? type="org.springframework.web.struts.DelegatingActionProxy" >
          ? ? <forward name="loginSuccess" path="/index.jsp" />
          ? ? <forward name="registerSuccess" path="/index.jsp" />
          ? ? <forward name="logoutSuccess" path="/index.jsp" />
          ? </action>


          </action-mappings>

          <message-resources parameter="com.yang.product.booksonline.ApplicationResources" />
          <plug-in className="org.apache.struts.validator.ValidatorPlugIn">
          ? <set-property property="pathnames" value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml" />
          ? <set-property property="stopOnFirstError" value="true" />
          </plug-in>
          <plug-in className="org.springframework.web.struts.ContextLoaderPlugIn">
          ? <set-property property="contextConfigLocation" value="/WEB-INF/springContext.xml" />
          </plug-in>

          </struts-config>

          package com.yang.product.booksonline.action;

          import java.util.List;

          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.action.DynaActionForm;
          import org.apache.struts.actions.DispatchAction;

          import com.yang.product.booksonline.dao.Members;
          import com.yang.product.booksonline.dao.MembersDAO;

          /**
          * XDoclet definition:
          * @struts.action path="/members" name="membersForm" parameter="action" scope="request" validate="true"
          */
          public class MembersAction extends DispatchAction {
          ? ? ?private MembersDAO membersDAO;

          ? ? ?public MembersDAO getMembersDAO() {
          ? ? ? ? ? ?return membersDAO;
          ? ? ?}

          ? ? ?public void setMembersDAO(MembersDAO membersDAO) {
          ? ? ? ? ? ?this.membersDAO = membersDAO;
          ? ? ?}
          ? ? ?
          ? ? ?public ActionForward login (ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response) {
          // ? ? ? ? ? ?String url = request.getParameter("url");
          ? ? ? ? ? ?String name = (String)((DynaActionForm)form).get("name");
          ? ? ? ? ? ?String password = (String)((DynaActionForm)form).get("password");
          ? ? ? ? ? ?List members = membersDAO.findByMembersName(name);
          ? ? ? ? ? ?if (members != null && members.size() >0) {
          ? ? ? ? ? ? ? ? ?Members member = (Members)members.get(0);
          ? ? ? ? ? ? ? ? ?if (password.equals(member.getPassword())) {
          ? ? ? ? ? ? ? ? ? ? ? ?request.getSession().setAttribute("member",name);
          ? ? ? ? ? ? ? ? ? ? ? ?//return new ActionForward(url);
          ? ? ? ? ? ? ? ? ? ? ? ?return mapping.findForward("loginSuccess");
          ? ? ? ? ? ? ? ? ?} else {
          ? ? ? ? ? ? ? ? ? ? ? ?return null;
          ? ? ? ? ? ? ? ? ?}
          ? ? ? ? ? ?} else {
          ? ? ? ? ? ? ? ? ?return null;
          ? ? ? ? ? ?}
          ? ? ?}

          ? ? ?public ActionForward logout (ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response) {
          ? ? ? ? ? ?request.getSession().removeAttribute("member");
          ? ? ? ? ? ?return mapping.findForward("logoutSuccess");
          ? ? ?}

          ? ? ?public ActionForward register (ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response) {
          ? ? ? ? ? ?String name = (String)((DynaActionForm)form).get("name");
          ? ? ? ? ? ?String password = (String)((DynaActionForm)form).get("password");
          ? ? ? ? ? ?String sex = (String)((DynaActionForm)form).get("sex");
          ? ? ? ? ? ?String mail = (String)((DynaActionForm)form).get("mail");
          ? ? ? ? ? ?List members = membersDAO.findByMembersName(name);
          ? ? ? ? ? ?if (members != null && members.size() >0) {
          ? ? ? ? ? ? ? ? ?return null;
          ? ? ? ? ? ?} else {
          ? ? ? ? ? ? ? ? ?Members member = new Members();
          ? ? ? ? ? ? ? ? ?member.setName(name);
          ? ? ? ? ? ? ? ? ?member.setPassword(password);
          ? ? ? ? ? ? ? ? ?member.setSex(sex);
          ? ? ? ? ? ? ? ? ?member.setMail(mail);
          ? ? ? ? ? ? ? ? ?membersDAO.save(member);
          ? ? ? ? ? ? ? ? ?return mapping.findForward("registerSuccess");
          ? ? ? ? ? ?}
          ? ? ?}
          }

          注意到,這里使用了dispatchaction。
          五,三個jsp部分內容
          index.jsp
          <body>
          <logic:notPresent name="member" scope="session">
          ? ? ?Welcome,you have not <html:link href="login.jsp">login</html:link>. <br>
          </logic:notPresent>
          <logic:present name="member" scope="session">
          ? ? ?Welcome,<bean:write name="member" scope="session"/>.<html:link href="members.do?action=logout">Logout</html:link>
          </logic:present>
          </body>
          login.jsp
          <body>
          ? If you haven't registered the system,please <html:link href="register.jsp">register</html:link>
          ? <html:form action="/members.do?action=login" method="post" focus="name">
          ? ? <table border="0">
          ? ? <tr>
          ? ? ? <td><bean:message key="members.form.name.label"/>:</td>
          ? ? ? <td><html:text property="name" /></td>
          ? ? </tr>
          ? ? <tr>
          ? ? ? <td><bean:message key="members.form.password.label"/>:</td>
          ? ? ? <td><html:password property="password" /></td>
          ? ? </tr>
          ? ? <tr>
          ? ? ? <td colspan="2" align="center"><html:submit><bean:message key="members.form.login.label"/></html:submit></td>
          ? ? </tr>
          ? ? </table>
          ? </html:form>
          </body>
          register.jsp
          <body>
          ? Welcome to register the books online. <br>
          ? <html:form action="/members.do?action=register" method="POST">
          ? <bean:message key="members.form.name.label"/>:<html:text property="name"/><br>
          ? <bean:message key="members.form.password.label"/>:<html:password property="password"/><br>
          ? <bean:message key="members.form.sex.label"/>:
          ? <html:select property="sex">
          ? ? ? ?<html:option key="members.form.sex.male" value="male" />
          ? ? ? ?<html:option key="members.form.sex.female" value="female" />
          ? </html:select><br>
          ? <bean:message key="members.form.mail.label"/>:<html:text property="mail"/><br>
          ? <html:submit><bean:message key="members.form.register.label"/></html:submit>
          ? </html:form>
          </body>

          注意:在開發過程中,本想加上輸入驗證的,因為前面己經有了這方面的例子,為了不重復,這里就有意去掉了這部分,但要運行這個例子,還是你自己加上validation.xml、validator-rules.xml兩個文件,不然會出錯。

          posted on 2007-03-09 01:35 金家寶 閱讀(2092) 評論(0)  編輯  收藏 所屬分類: J2EE技術實例


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