案例描述：使用SSH整合框架实现部门的添加功能
工程： Maven
数据库：Oracle
案例架构：
1.依赖jar包pom.xml
1 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 2 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> 3 <parent> 4 <artifactId>01MyBatis</artifactId> 5 <groupId>cn.happy</groupId> 6 <version>1.0-SNAPSHOT</version> 7 </parent> 8 <modelVersion>4.0.0</modelVersion> 9 <artifactId>10SSHXML</artifactId> 10 <packaging>war</packaging> 11 <name>10SSHXML Maven Webapp</name> 12 <url>http://maven.apache.org</url> 13 <dependencies> 14 <!--单测--> 15 <dependency> 16 <groupId>junit</groupId> 17 <artifactId>junit</artifactId> 18 <version>4.3</version> 19 <scope>test</scope> 20 </dependency> 21 <!--spring配置--> 22 <dependency> 23 <groupId>org.springframework</groupId> 24 <artifactId>spring-context</artifactId> 25 <version>4.2.0.RELEASE</version> 26 </dependency> 27 <!--aop使用的jar--> 28 <dependency> 29 <groupId> org.aspectj</groupId > 30 <artifactId> aspectjweaver</artifactId > 31 <version> 1.8.7</version > 32 </dependency> 33 34 <!--SpringWeb--> 35 <dependency> 36 <groupId>org.springframework</groupId> 37 <artifactId>spring-web</artifactId> 38 <version>4.1.8.RELEASE</version> 39 </dependency> 40 41 <!--JavaEE--> 42 <dependency> 43 <groupId>javaee</groupId> 44 <artifactId>javaee-api</artifactId> 45 <version>5</version> 46 </dependency> 47 48 <dependency> 49 <groupId>javax.servlet</groupId> 50 <artifactId>jstl</artifactId> 51 <version>1.2</version> 52 <scope>runtime</scope> 53 </dependency> 54 55 <dependency> 56 <groupId>org.springframework</groupId> 57 <artifactId>spring-tx</artifactId> 58 <version>4.2.5.RELEASE</version> 59 </dependency> 60 61 <!--c3p0--> 62 <dependency> 63 <groupId>com.mchange</groupId> 64 <artifactId>c3p0</artifactId> 65 <version>0.9.5.2</version> 66 </dependency> 67 68 <!--hibernate jar包--> 69 <!--jta的jar包--> 70 <dependency> 71 <groupId>javax.transaction</groupId> 72 <artifactId>jta</artifactId> 73 <version>1.1</version> 74 </dependency> 75 76 <dependency> 77 <groupId>org.hibernate</groupId> 78 <artifactId>hibernate-core</artifactId> 79 <version>5.0.6.Final</version> 80 </dependency> 81 82 <!--Spring-ORM--> 83 <dependency> 84 <groupId>org.springframework</groupId> 85 <artifactId>spring-orm</artifactId> 86 <version> 4.2.2.RELEASE</version> 87 </dependency> 88 89 <!--Oracle驱动的jar--> 90 <dependency> 91 <groupId>com.oracle</groupId> 92 <artifactId>ojdbc6</artifactId> 93 <version>11.2.0.1.0</version> 94 </dependency> 95 96 <!--struts2--> 97 <dependency> 98 <groupId>org.apache.struts</groupId> 99 <artifactId>struts2-core</artifactId> 100 <version>2.3.4.1</version> 101 </dependency> 102 103 <dependency> 104 <groupId>org.apache.struts.xwork</groupId> 105 <artifactId>xwork-core</artifactId> 106 <version>2.3.4.1 </version> 107 </dependency> 108 109 <!-- struts2整合spring --> 110 <dependency> 111 <groupId>org.apache.struts</groupId> 112 <artifactId>struts2-spring-plugin</artifactId> 113 <version>2.3.4.1</version> 114 </dependency> 115 116 <!-- struts注解核心包 --> 117 <dependency> 118 <groupId>org.apache.struts</groupId> 119 <artifactId>struts2-convention-plugin</artifactId> 120 <version>2.3.4.1</version> 121 </dependency> 122 </dependencies> 123 <build> 124 <resources> 125 <resource> 126 <directory>src/main/java</directory> 127 <includes> 128 <include>**/*.xml</include> 129 </includes> 130 </resource> 131 </resources> 132 </build> 133 </project>
2.web.xml文件配置
1 <!DOCTYPE web-app PUBLIC 2 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" 3 "http://java.sun.com/dtd/web-app_2_3.dtd" > 4 5 <web-app> 6 <display-name>Archetype Created Web Application</display-name> 7 <context-param> 8 <param-name>contextConfigLocation</param-name> 9 <param-value>classpath:applicationContext.xml</param-value> 10 </context-param> 11 12 <filter> 13 <filter-name>struts</filter-name> 14 <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> 15 </filter> 16 <filter-mapping> 17 <filter-name>struts</filter-name> 18 <url-pattern>/*</url-pattern> 19 </filter-mapping> 20 21 <!--监听器--> 22 <listener> 23 <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 24 </listener> 25 </web-app>
3.resource目录配置文件
3.1 applicationContext.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <beans xmlns="http://www.springframework.org/schema/beans" 3 xmlns:context="http://www.springframework.org/schema/context" 4 xmlns:tx="http://www.springframework.org/schema/tx" 5 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 6 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd 7 http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd 8 http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd 9 "> 10 <!--1.Datasource--> 11 <!--1.配置数据源c3p0--> 12 <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> 13 <property name="driverClass" value="${jdbc.driverClassName}"/> 14 <property name="user" value="${jdbc.username}"/> 15 <property name="password" value="${jdbc.password}"/> 16 <property name="jdbcUrl" value="${jdbc.url}"/> 17 </bean> 18 19 <!--jdbc.properties--> 20 <context:property-placeholder location="classpath:jdbc.properties"></context:property-placeholder> 21 22 <!--2.SessionFactory 类：Local--> 23 <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean"> 24 <property name="dataSource" ref="dataSource"></property> 25 <property name="hibernateProperties"> 26 <props> 27 <!--hibernate.xxxxxx必须以hibernate--> 28 <prop key="hibernate.show_sql">true</prop> 29 <prop key="hibernate.format_sql">true</prop> 30 <prop key="hibernate.dialect">org.hibernate.dialect.Oracle10gDialect</prop> 31 <!--with current thread bind session和线程绑定的session--> 32 <prop key="hibernate.current_session_context_class">org.springframework.orm.hibernate5.SpringSessionContext</prop> 33 </props> 34 </property> 35 <!--扫描小配置文件 所有的hbm文件--> 36 <property name="mappingDirectoryLocations" value="classpath:cn/happy/entity"></property> 37 </bean> 38 39 <!--3.dao--> 40 <bean id="deptDAO" class="cn.happy.dao.DeptDAOImpl"> 41 <property name="sessionFactory" ref="sessionFactory"></property> 42 </bean> 43 44 <!--4.service--> 45 <bean id="deptService" class="cn.happy.service.DeptServiceImpl"> 46 <property name="deptDAO" ref="deptDAO"></property> 47 </bean> 48 49 <bean id="deptAction" class="cn.happy.action.DeptAction" scope="prototype"> 50 <property name="deptService" ref="deptService"></property> 51 </bean> 52 53 <!-- 5.事务管理器 --> 54 <bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager"> 55 <property name="sessionFactory" ref="sessionFactory"></property> 56 </bean> 57 58 <!--6.事务--> 59 <tx:annotation-driven transaction-manager="transactionManager"></tx:annotation-driven> 60 <!-- <tx:advice id="txAdvice" transaction-manager="transactionManager"> 61 <tx:attributes> 62 <tx:method name="add*" isolation="DEFAULT" propagation="REQUIRED"/> 63 </tx:attributes> 64 </tx:advice> 65 66 <aop:config> 67 <!–配置了切点Pointcut–> 68 <aop:pointcut id="mypoint" expression="execution(* *..service.*.*(..))"/> 69 <!– 顾问–> 70 <aop:advisor advice-ref="txAdvice" pointcut-ref="mypoint"></aop:advisor> 71 </aop:config>--> 72 </beans>
3.2 jdbc.properties
1 jdbc.driverClassName=oracle.jdbc.OracleDriver 2 jdbc.url=jdbc:oracle:thin:@localhost:1521:orcl 3 jdbc.username=liutao 4 jdbc.password=liutao
3.3 struts.xml
1 <?xml version="1.0" encoding="UTF-8" ?> 2 <!DOCTYPE struts PUBLIC 3 "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" 4 "http://struts.apache.org/dtds/struts-2.3.dtd"> 5 6 <struts> 7 <constant name="struts.devMode" value="true"></constant> 8 <!--将对象工厂的生成全交给Spring--> 9 <constant name="struts.objectFactory" value="spring"></constant> 10 11 <package name="default" namespace="/" extends="struts-default"> 12 <action name="add" class="deptAction" method="addDept"> 13 <result>/jsp/success.jsp</result> 14 </action> 15 </package> 16 </struts>
4.分层架构：
entity：
Dept:
1 /** 2 * Created by Administrator on 2017/12/24. 3 * 部门表 4 */ 5 public class Dept { 6 private Integer deptno; //部门编号 7 private String dname; //部门名称 8 private String loc; //部门位置 9 10 //省略set get方法 11 }
Dept.hbm.xml:
1 <?xml version="1.0"?> 2 <!DOCTYPE hibernate-mapping PUBLIC 3 "-//Hibernate/Hibernate Mapping DTD 3.0//EN" 4 "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"> 5 6 <hibernate-mapping package="cn.happy.entity"> 7 <!--实体 name=实体端内容 column=DB端内容--> 8 <class name="Dept" table="DEPT" dynamic-update="true"> 9 <!--底层数据表对应的主键--> 10 <id name="deptno" column="DEPTNO"> 11 <!--主键生成策略： assigned 程序员手动给值--> 12 <generator class="native"/> 13 </id> 14 <property name="dname" column="DNAME"></property> 15 <property name="loc" column="LOC"></property> 16 </class> 17 18 </hibernate-mapping>
dao:
IDeptDAO:
1 public interface IDeptDAO { 2 /** 3 * @author: liutao 4 * @Description: 添加部门 5 * @param: 6 * @return: 7 * @throws: 8 * @date: 2018/2/26 16:23 9 */ 10 public void addDept(Dept dept); 11 }
DeptDAOImpl:
1 public class DeptDAOImpl implements IDeptDAO{ 2 //植入sessionFactory 3 private SessionFactory sessionFactory; 4 public void addDept(Dept dept) { 5 Session session = sessionFactory.getCurrentSession(); 6 session.save(dept); 7 } 8 9 public SessionFactory getSessionFactory() { 10 return sessionFactory; 11 } 12 13 public void setSessionFactory(SessionFactory sessionFactory) { 14 this.sessionFactory = sessionFactory; 15 } 16 }
service:
IDeptService:
1 public interface IDeptService { 2 /** 3 * @author: liutao 4 * @Description: 添加部门 5 * @param: 6 * @return: 7 * @throws: 8 * @date: 2018/2/26 16:23 9 */ 10 public void addDept(Dept dept); 11 }
DeptServiceImpl:
1 public class DeptServiceImpl implements IDeptService { 2 private IDeptDAO deptDAO; 3 @Transactional 4 public void addDept(Dept dept) { 5 deptDAO.addDept(dept); 6 } 7 8 public IDeptDAO getDeptDAO() { 9 return deptDAO; 10 } 11 12 public void setDeptDAO(IDeptDAO deptDAO) { 13 this.deptDAO = deptDAO; 14 } 15 }
Action:
DeptAction:
1 public class DeptAction extends ActionSupport implements ModelDriven<Dept>{ 2 private Dept dept=new Dept(); 3 private IDeptService deptService; 4 5 public String addDept(){ 6 deptService.addDept(dept); 7 return SUCCESS; 8 } 9 10 public Dept getDept() { 11 return dept; 12 } 13 14 public void setDept(Dept dept) { 15 this.dept = dept; 16 } 17 18 public IDeptService getDeptService() { 19 return deptService; 20 } 21 22 public void setDeptService(IDeptService deptService) { 23 this.deptService = deptService; 24 } 25 26 public Dept getModel() { 27 return dept; 28 } 29 }
jsp页面：
add.jsp
1 <%@ page contentType="text/html;charset=UTF-8" language="java" %> 2 <html> 3 <head> 4 <title>添加部门</title> 5 </head> 6 <body> 7 <form method="post" action="/add"> 8 部门名称：<input name="dname" type="text"/> 9 <input type="submit" value="保存"/> 10 </form> 11 </body> 12 </html>
success.jsp
1 <%@ page contentType="text/html;charset=UTF-8" language="java" %> 2 <html> 3 <head> 4 <title>Title</title> 5 </head> 6 <body> 7 <h1>添加成功</h1> 8 </body> 9 </html>