1.项目功能展示
(1)注册
(2)修改地址与级别信息,点击修改
(3)再添加一位成员,进行删除
点击第二行的删除
(4)登录模块测试
输入数据库中没有的信息:
输入数据库中存在的信息:
2. Web.
Spring提供了ContextLoaderListener,该**实现了ServletContextListener接口,他在Web应用程序启动时被触发。当他创建时会自动查找WEB-INF/下的applicationContext.
<??><web-app ="http://www.w3.org/2001/ ="http:// xsi:schemaLocation="http:// id="WebApp_ID" version="3.1"> <display-name>ssh</display-name> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/applicationContext.</param-value> </context-param> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> <welcome-file>index.jsp</welcome-file> <welcome-file>default.html</welcome-file> <welcome-file>default.htm</welcome-file> <welcome-file>default.jsp</welcome-file> </welcome-file-list></web-app>
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3. 实体类与其映射文件
(1)Member.java
package com.entity;public class Member { private long id; private String name; private String password; private String address; private String email; private int level; public Member(){} public Member(String name,String password,String address,String email,int level){ this.name = name; this.password = password; this.address = address; this.email = email; this.level = level; } public long getId() { return id; } public void setId(long id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getAddress() { return address; } public void setAddress(String address) { this.address = address; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public int getLevel() { return level; } public void setLevel(int level) { this.level = level; } }
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(2)Member.hbm.
<??><!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.entity.Member" table="MEMBER"> <id name="id" type="long"> <column name="ID" /> <generator class="identity" /> </id> <property name="name" type="java.lang.String"> <column name="NAME" /> </property> <property name="password" type="java.lang.String"> <column name="PASSWORD" /> </property> <property name="address" type="java.lang.String"> <column name="ADDRESS" /> </property> <property name="email" type="java.lang.String"> <column name="EMAIL" /> </property> <property name="level" type="int"> <column name="LEVEL" /> </property> </class></hibernate-mapping>
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4.DAO层
(1)接口MemberDAO.java
package com.dao;import java.util.List;import com.entity.Member;public interface MemberDAO { public void add(Member member); public void update(Member member); public void delete(long id); public Member findByName(String name,String password); public Member findById(long id); public List<Member> findAll();}
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(2)实现类MemberDAOImpl.java(sessionFactory通过构造方法注入,使其可以操作数据库)
package com.dao;import java.util.List;import com.entity.Member;import org.hibernate.*;import org.springframework.beans.factory.annotation.Autowired;public class MemberDAOImpl implements MemberDAO { private SessionFactory sessionFactory; //构造方法注入SessionFactory对象 public MemberDAOImpl(SessionFactory sessionFactory) { this.sessionFactory=sessionFactory; } //使用SessionFactory对象返回Session对象 public Session currentSession(){ return sessionFactory.openSession(); } @Override public void add(Member member) { Session session=null; try { session=currentSession(); Transaction tx = session.beginTransaction(); session.save(member); tx.commit(); } catch (HibernateException e) { e.printStackTrace(); }finally{ session.close(); } } @Override public void update(Member member) { Session session=null; try { session=currentSession(); Transaction tx = session.beginTransaction(); session.update(member); tx.commit(); } catch (HibernateException e) { e.printStackTrace(); }finally{ session.close(); } } @Override public void delete(long id) { Session session=null; try { session=currentSession(); Transaction tx = session.beginTransaction(); Member mb = (Member)session.get(Member.class, id); session.delete(mb); tx.commit(); } catch (HibernateException e) { e.printStackTrace(); }finally{ session.close(); } } @Override public Member findByName(String name, String password) { Session session=null; Member result = null; try { session=currentSession(); Transaction tx = session.beginTransaction(); String hsql = " from Member m where m.name = :mname and m.password = :mpassword"; Query query = session.createQuery(hsql); query.setParameter("mname", name); query.setParameter("mpassword", password); result = (Member)query.uniqueResult(); tx.commit(); } catch (HibernateException e) { e.printStackTrace(); }finally{ session.close(); } return result; } @Override public Member findById(long id) { Session session=null; Member result = null; try { session=currentSession(); Transaction tx = session.beginTransaction(); String hsql = " from Member m where m.id = :id"; Query query = session.createQuery(hsql); query.setParameter("id",id); result = (Member)query.uniqueResult(); tx.commit(); } catch (HibernateException e) { e.printStackTrace(); }finally{ session.close(); } return result; } @Override public List<Member> findAll() { Session session=null; List<Member> list = null; try { session=currentSession(); Transaction tx = session.beginTransaction(); String hsql = " from Member"; Query query = session.createQuery(hsql); list = query.list(); tx.commit(); } catch (HibernateException e) { e.printStackTrace(); }finally{ session.close(); } return list; }}
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5.业务逻辑层
(1)接口MemberService.java
package com.service;import java.util.List;import com.entity.Member;public interface MemberService { public void add(Member member); public void update(Member member); public void delete(long id); public Member findByName(String name,String password); public Member findById(long id); public List<Member> findAll();}
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(2)实现类MemberServiceImpl.java(设值注入DAO层组件)
package com.service;import java.util.List;import com.dao.MemberDAO;import com.entity.Member;public class MemberServiceImpl implements MemberService { private MemberDAO memberDao; //设值注入DAO对象 public void setMemberDao(MemberDAO memberDao) { this.memberDao = memberDao; } @Override public void add(Member member) { if(memberDao.findById(member.getId())==null) memberDao.add(member); } @Override public void update(Member member) { if(memberDao.findById(member.getId())!=null) memberDao.update(member); } @Override public void delete(long id) { if(memberDao.findById(id)!=null) memberDao.delete(id); } @Override public Member findByName(String name, String password) { return memberDao.findByName(name, password); } @Override public Member findById(long id) { return memberDao.findById(id); } @Override public List<Member> findAll() { return memberDao.findAll(); }}
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6. Action类
(1)注册MemberRegisterAction.java(设值注入业务逻辑组件)
package com.action;import com.entity.Member;import com.opensymphony.xwork2.ActionSupport;import com.service.MemberService;public class MemberRegisterAction extends ActionSupport { private Member member; private MemberService memberService; public Member getMember() { return member; } public void setMember(Member member) { this.member = member; } //注入业务逻辑组件 public void setMemberService(MemberService memberService) { this.memberService = memberService; } public String execute(){ memberService.add(member); return SUCCESS; } }
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(2)删除MemberDeleteAction.java(设置注入业务逻辑组件,注意传入参数id的相应getter和setter方法)
package com.action;import com.opensymphony.xwork2.ActionSupport;import com.service.MemberService;public class MemberDeleteAction extends ActionSupport { private MemberService memberService; public void setMemberService(MemberService memberService) { this.memberService = memberService; } private long id; public long getId() { return id; } public void setId(long id) { this.id = id; } public String execute(){ memberService.delete(getId()); return SUCCESS; }}
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(3)查询MemberQueryAction.java(用于查看所有会员信息)
package com.action;import java.util.List;import org.apache.struts2.ServletActionContext;import com.entity.Member;import com.opensymphony.xwork2.ActionSupport;import com.service.MemberService;public class MemberQueryAction extends ActionSupport { private MemberService memberService; public void setMemberService(MemberService memberService) { this.memberService = memberService; } public String execute(){ List<Member> list = memberService.findAll(); ServletActionContext.getRequest().setAttribute("memberList", list); return SUCCESS; }}
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(4)修改MemberUpdateAction.java(有两个方法,execute()和showMember(),当需要修改时,showMember()方法转向update.jsp.并设置好需要修改的对象,修改完成之后,由spring托管的memberUpdateAction组件执行execute方法进行update操作)
package com.action;import com.entity.Member;import com.opensymphony.xwork2.ActionSupport;import com.service.MemberService;public class MemberUpdateAction extends ActionSupport { private MemberService memberService; private Member member; private long id; public void setMemberService(MemberService memberService) { this.memberService = memberService; } public Member getMember() { return member; } public void setMember(Member member) { this.member = member; } public long getId() { return id; } public void setId(long id) { this.id = id; } public String showMember(){ Member mb = memberService.findById(getId()); setMember(mb); return SUCCESS; } public String execute(){ memberService.update(member); return SUCCESS; }}
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(5)登录MemberLoginAction.java(将输入的信息与数据库中进行比较)
package com.action;import com.entity.Member;import com.opensymphony.xwork2.ActionSupport;import com.service.MemberService;public class MemberLoginAction extends ActionSupport { private Member member; private MemberService memberService; public Member getMember() { return member; } public void setMember(Member member) { this.member = member; } //注入业务逻辑组件 public void setMemberService(MemberService memberService) { this.memberService = memberService; } public String execute(){ Member mb =memberService.findByName(member.getName(), member.getPassword()); if(mb!=null) return SUCCESS; else return ERROR; }}
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7.struts.
spring托管将Struts2中的Action的实例化工作交由Spring容器统一管理,同时使Struts2中的Action实例能够访问Spring提供的业务逻辑资源,spring容器依赖注入的优势也可以体现,Struts2提供的spring插件struts2-spring-plugin-2.3.16.3.jar配合<constant name="struts.objectFactory" value="spring">使得Struts2的action由Spring来负责进行实例化.
<?DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd"><struts> <constant name="struts.devMode" value="true" /> <constant name="struts.objectFactory" value="spring"></constant> <package name="default" namespace="/" extends="struts-default"> <!-- class属性值是spring定义的Bean,当执行execute()返回success时,控制转到另一个动作memberQuery --> <action name="memberRegister" class="memberRegisterAction"> <result name="success" type="redirectAction">/memberQuery</result> </action> <action name="memberLogin" class="memberLoginAction"> <result name="success">/welcome.jsp</result> <result name="error">/register.jsp</result> </action> <action name="memberQuery" class="memberQueryAction"> <result name="success">/displayAll.jsp</result> </action> <action name="memberDelete" class="memberDeleteAction"> <result name="success" type="redirectAction">/memberQuery</result> </action> <action name="memberShow" class="memberUpdateAction" method="showMember"> <result name="success">/update.jsp</result> </action> <action name="memberUpdate" class="memberUpdateAction"> <result name="success" type="redirectAction">/memberQuery</result> </action> </package></struts>
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8.applicationContext.
spring 框架提供了多种数据源类,可以使用spring提供的DriverManagerDataSource类还可以使用第三方数据源,如C3P0的ComboPooledDataSource数据源类,注意相应的两个jar包c3p0-0.9.2.1.jar mchange-commons-java-0.2.3.4.jar.
Hibernate4已经完全实现自己的事物管理,所以spring4不提供HibernateDaoSupport和HibernateTemplete的支持。可以在应用程序的spring上下文中,像配置其他bean那样来配置HibernateSession工厂。如果要使用
<??><beans ="http://www.springframework.org/schema/beans" ="http://www.w3.org/2001/ ="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd"> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"> <property name="driverClass" value="com.mysql.jdbc.Driver"/> <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/zzh?useUnicode=true&characterEncoding=UTF-8"/> <property name="user" value="root"/> <property name="password" value="root"/> <property name="maxPoolSize" value="40"/> <property name="minPoolSize" value="1"/> <property name="initialPoolSize" value="2"/> <property name="maxIdleTime" value="20"/> </bean> <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean"> <property name="dataSource" ref="dataSource"/> <property name="mappingResources"> <list> <value>com/entity/Member.hbm.</value> </list> </property> <property name="hibernateProperties"> <props> <prop key="hibernate.show_sql">true</prop> <prop key="hibernate.hbm2ddl.auto">update</prop> <prop key="hibernate.temp.use_jdbc_metadata_defaults">false</prop> <prop key="hibernate.current_session_context_class"> org.springframework.orm.hibernate4.SpringSessionContext </prop> <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop> </props> </property> </bean> <bean id="memberDao" class="com.dao.MemberDAOImpl"> <!-- 构造方法注入会话工厂组件sessionFactory --> <constructor-arg> <ref bean="sessionFactory"/> </constructor-arg> </bean> <bean id="memberService" class="com.service.MemberServiceImpl"> <!-- 设值注入DAO组件 --> <property name="memberDao" ref="memberDao"></property> </bean> <bean id="memberRegisterAction" class="com.action.MemberRegisterAction"> <!-- 设值注入业务逻辑组件 --> <property name="memberService" ref="memberService"></property> </bean> <bean id="memberLoginAction" class="com.action.MemberLoginAction"> <property name="memberService" ref="memberService"></property> </bean> <bean id="memberQueryAction" class="com.action.MemberQueryAction"> <property name="memberService" ref="memberService"></property> </bean> <bean id="memberDeleteAction" class="com.action.MemberDeleteAction"> <property name="memberService" ref="memberService"></property> </bean> <bean id="memberUpdateAction" class="com.action.MemberUpdateAction"> <property name="memberService" ref="memberService"></property> </bean></beans>
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9.jsp
(1)注册register.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@ taglib prefix="s" uri="/struts-tags" %><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>会员注册页面</title></head><body> <s:form action="memberRegister" method="post"> <h4><s:text name="欢迎注册会员"></s:text></h4> <s:property value="exception.message"/> <s:textfield name="member.name" label="会员姓名" tooltip="Enter your name!" required="true"></s:textfield> <s:password name="member.password" label="会员口令" tooltip="Enter your password!"></s:password> <s:textfield name="member.address" label="会员地址"></s:textfield> <s:textfield name="member.email" label="会员邮箱"></s:textfield> <s:textfield name="member.level" label="会员级别"></s:textfield> <s:submit value="提交"/> </s:form></body></html>
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(2)所有会员信息displayAll.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@ taglib prefix="s" uri="/struts-tags" %><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>显示会员信息</title></head><body> <h4>会员信息</h4> <table border='1'> <tr> <td>会员id</td><td>会员名</td><td>密码</td><td>地址</td><td>邮箱</td><td>级别</td><td>删除</td><td>修改</td> </tr> <s:iterator value="#request.memberList" id="mb"> <tr> <td><s:property value="#mb.id"/></td> <td><s:property value="#mb.name"/></td> <td><s:property value="#mb.password"/></td> <td><s:property value="#mb.address"/></td> <td><s:property value="#mb.email"/></td> <td><s:property value="#mb.level"/></td> <td> <a href="<s:url action="memberDelete"><s:param name="id"><s:property value="#mb.id"/></s:param> </s:url>">删除</a> </td> <td> <a href="<s:url action="memberShow"><s:param name="id"><s:property value="#mb.id"/></s:param> </s:url>">修改</a> </td> </tr> </s:iterator> </table> <a href="register.jsp">返回注册页面</a></body></html>
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(3)修改页面update.jsp
注意:不允许修改会员id,当需要将会员id传递给更新会员动作,所以使用隐藏表单域标签来接收显示会员页面传递来的会员id在update.jsp页面提交时再传递给更新会员的动作memberUpdate。
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@ taglib prefix="s" uri="/struts-tags" %><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>修改会员信息</title></head><body> <s:form action="memberUpdate" method="post"> <h4><s:text name="修改会员信息"></s:text></h4> <s:actionerror/> <s:hidden name="member.id" value="%{member.id}"></s:hidden> <s:textfield name="member.name" label="会员姓名" required="true"></s:textfield> <s:textfield name="member.password" label="会员口令"></s:textfield> <s:textfield name="member.address" label="会员地址"></s:textfield> <s:textfield name="member.email" label="会员邮箱"></s:textfield> <s:textfield name="member.level" label="会员级别"></s:textfield> <s:submit value="提交"/> </s:form></body></html>
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(4)登录login.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@ taglib prefix="s" uri="/struts-tags" %><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>会员登录</title></head><body> <s:form action="memberLogin" method="post"> <s:textfield name="member.name" label="会员姓名"></s:textfield> <s:password name="member.password" label="会员口令"></s:password> <s:submit value="提交"></s:submit> </s:form></body></html>
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(5)welcome.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>贵宾你好!</title></head><body> 合法成员</body></html>
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10. END
本篇案例算是最简单的ssh整合,注入形式也都一目了然,如果对你有帮助,请点赞或关注我,谢谢观看!
原标题:SSH案例
关键词:SSH