第一步 pom.xml注入jar包依赖
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.xu</groupId> <artifactId>shop-web</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>shop-web Maven Webapp</name> <url>http://maven.apache.org</url> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <!-- hibernate核心配置 --> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>5.2.12.Final</version> </dependency> <!-- struts2核心配置 --> <dependency> <groupId>org.apache.struts</groupId> <artifactId>struts2-core</artifactId> <version>2.5.14.1</version> </dependency> <!-- struts2 spring 整合的核心包--> <dependency> <groupId>org.apache.struts</groupId> <artifactId>struts2-spring-plugin</artifactId> <version>2.5.14.1</version> </dependency> <!-- spring核心配置 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>5.0.2.RELEASE</version> </dependency> <!--spring-context配置--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>5.0.2.RELEASE</version> </dependency> <!--spring-jdbc配置--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>5.0.2.RELEASE</version> </dependency> <!--spring-beans的配置--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>5.0.2.RELEASE</version> </dependency> <!--spring-web整合配置依赖--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>5.0.2.RELEASE</version> </dependency> <!--spring-expression配置--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-expression</artifactId> <version>5.0.2.RELEASE</version> </dependency> <!--spring-orm配置--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>5.0.2.RELEASE</version> </dependency> <dependency> <groupId>cglib</groupId> <artifactId>cglib-nodep</artifactId> <version>2.1_3</version> </dependency> <!--spring aop包 注释方式使用事务管理 可以不引用--> <dependency> <groupId>aspectj</groupId> <artifactId>aspectjrt</artifactId> <version>1.5.0</version> </dependency> <dependency> <groupId>aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.5.0</version> </dependency> <!-- 添加对数据库的支持 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.0.5</version> </dependency> <!-- https://mvnrepository.com/artifact/c3p0/c3p0 --> <dependency> <groupId>c3p0</groupId> <artifactId>c3p0</artifactId> <version>0.9.1.2</version> </dependency> </dependencies> <build> <finalName>shop-web</finalName> </build> </project>
第二步 applicationContext.xml
<?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:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/aop "> <context:component-scan base-package="com.ssh.action"></context:component-scan> <context:component-scan base-package="com.ssh.service"></context:component-scan> <context:component-scan base-package="com.ssh.dao"></context:component-scan> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location" value="classpath:jdbc.properties"/> </bean> <!-- data connection setting --> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="driverClass" value="${jdbc.driver}"></property> <property name="jdbcUrl" value="${jdbc.url}"></property> <property name="user" value="${jdbc.username}"></property> <property name="password" value="${jdbc.password}"></property> <!-- 设置数据库连接池的最大连接数 --> <property name="maxPoolSize"> <value>50</value> </property> <!-- 设置数据库连接池的最小连接数 --> <property name="minPoolSize"> <value>5</value> </property> <!-- 设置数据库连接池的初始化连接数 --> <property name="initialPoolSize"> <value>5</value> </property> <!-- 设置数据库连接池的连接最大空闲时间 --> <property name="maxIdleTime"> <value>20</value> </property> <!-- c3p0缓存Statement的数量数 --> <property name="maxStatements"> <value>50</value> </property> <!-- 当连接池里面的连接用完的时候,C3P0一下获取新的连接数 --> <property name="acquireIncrement"> <value>20</value> </property> </bean> <!-- hibernate 管理--> <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean"> <!-- 引用上面设置的数据源 --> <!-- <property name="dataSource"> <ref bean="dataSource"/> </property>--> <property name="dataSource" ref="dataSource"/> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop> <prop key="hibernate.autoReconnect">true</prop> <prop key="hibernate.connection.autocommit">true</prop> <prop key="hibernate.hbm2ddl.auto">update</prop> <prop key="hibernate.show_sql">true</prop> <prop key="hibernate.format_sql">true</prop> <!-- 解决session关闭问题 --> <prop key="hibernate.enable_lazy_load_no_trans">true</prop> <!-- spring 和 hibernate 整合的时候默认就是使用线程的,下面这一行不用写,写了反而要报错, 此外 sessionFaction,不能使用openSession 既不能保存数据到数据库,还不能实现事务功能 --> <!--<prop key="current_session_context_class">thread</prop>--> <prop key="hibernate.max_fetch_depth">3</prop> <prop key="hibernate.connection.url">jdbc:mysql://localhost:3306/shop</prop> <prop key="hibernate.connection.driver_class">com.mysql.jdbc.Driver</prop> </props> </property> <!-- 包扫描的方式加载注解类 --> <property name="packagesToScan"> <list> <value>com.ssh.model</value> </list> </property> <property name="mappingLocations"> <list> <value>classpath:com/ssh/model/User.hbm.xml</value> </list> </property> </bean> <!-- 用注解来实现事物管理 --> <bean id="txManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager"> <property name="sessionFactory" ref="sessionFactory"/> </bean> <!--xml方式实现事物管理--> <!-- <tx:annotation-driven transaction-manager="txManager"/> <tx:advice id="txAdvice" transaction-manager="txManager"> <tx:attributes> <tx:method name="*" read-only="false"/> </tx:attributes> </tx:advice> <aop:config> <aop:pointcut id="pt" expression="execution(* com.ssh.service.impl.*.*(..))"/> <aop:advisor advice-ref="txAdvice" pointcut-ref="pt"/> </aop:config>--> </beans>
第三步 jdbc.properties属性文件
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/shop
jdbc.username=root
jdbc.password=admin
第四步 struts.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN" "http://struts.apache.org/dtds/struts-2.5.dtd"> <struts> <!-- 修改常量管理struts 中的action的工程,这个常量的使用,必须引入 spring和struts的整合包, 不然spring无法管理struts2 Action 中的实体类--> <constant name="struts.objectFactory" value="spring" /> <package name="user" extends="struts-default" namespace="/"> <action name="user_*" class="userAction" method="{1}"> <result name="success"> /index.jsp </result> <!-- struts 2.5 之后,使用通配符必须加上这一行 ,否则无法使用通配符访问--> <allowed-methods>m1,saveUser</allowed-methods> </action> </package> </struts>
第五步 编写 XxxDao.java
package com.ssh.dao; import com.ssh.model.User; public interface UserDao { User getUser(Integer uid); void saveUser(User user); }
第六步 编写 XxxDaoImpl.java
package com.ssh.dao; import com.ssh.model.User; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.springframework.stereotype.Repository; import javax.annotation.Resource; @Repository public class UserDaoImpl implements UserDao{ /*sessionFactory依赖注入*/ @Resource(name="sessionFactory") private SessionFactory sessionFactory; public User getUser(Integer uid) { Session session = sessionFactory.getCurrentSession(); User user = session.get(User.class,uid); return user; } public void saveUser(User user) { Session session = sessionFactory.getCurrentSession(); session.save(user); System.out.println("输出:"+user.getUsername()); } }
第七步 编写 XxxService.java
package com.ssh.service; import com.ssh.model.User; public interface UserSerivce { User getUser(Integer uid); void saveUser(User user); }
第八步 编写 XxxServiceImpl.java
package com.ssh.service; import com.ssh.dao.UserDao; import com.ssh.model.User; import org.springframework.stereotype.Service; import javax.annotation.Resource; import javax.transaction.Transactional; @Service("userService") public class UserServiceImpl implements UserSerivce{ @Resource private UserDao userDao; @Transactional(rollbackOn={Exception.class,RuntimeException.class}) public User getUser(Integer uid) { return userDao.getUser(uid); } @Transactional(rollbackOn = {Exception.class,RuntimeException.class}) public void saveUser(User user) { userDao.saveUser(user); } }
第九步 编写 XxxAction.java
package com.ssh.action; import com.opensymphony.xwork2.ActionSupport; import com.ssh.model.User; import com.ssh.service.UserSerivce; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Controller; import javax.annotation.Resource; @Controller("userAction") @Scope("prototype") public class UserAction extends ActionSupport { private User user; @Resource private UserSerivce userService; public User getUser() { return user; } public String m1(){ user = userService.getUser(1); System.out.println(user.getUsername()); return SUCCESS; } public String saveUser(){ User user = new User(); user.setUsername("事务提交"); userService.saveUser(user); return SUCCESS; } }
第十步 编写model Xxx
package com.ssh.model; import javax.persistence.Basic; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.Id; @Entity public class User { private int uid; private String username; private String password; private String name; private String email; private String phone; private String addr; private Integer state; private String code; @Id @Column(name = "uid") public int getUid() { return uid; } public void setUid(int uid) { this.uid = uid; } @Basic @Column(name = "username") public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } @Basic @Column(name = "password") public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } @Basic @Column(name = "name") public String getName() { return name; } public void setName(String name) { this.name = name; } @Basic @Column(name = "email") public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } @Basic @Column(name = "phone") public String getPhone() { return phone; } public void setPhone(String phone) { this.phone = phone; } @Basic @Column(name = "addr") public String getAddr() { return addr; } public void setAddr(String addr) { this.addr = addr; } @Basic @Column(name = "state") public Integer getState() { return state; } public void setState(Integer state) { this.state = state; } @Basic @Column(name = "code") public String getCode() { return code; } public void setCode(String code) { this.code = code; } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; User user = (User) o; if (uid != user.uid) return false; if (username != null ? !username.equals(user.username) : user.username != null) return false; if (password != null ? !password.equals(user.password) : user.password != null) return false; if (name != null ? !name.equals(user.name) : user.name != null) return false; if (email != null ? !email.equals(user.email) : user.email != null) return false; if (phone != null ? !phone.equals(user.phone) : user.phone != null) return false; if (addr != null ? !addr.equals(user.addr) : user.addr != null) return false; if (state != null ? !state.equals(user.state) : user.state != null) return false; if (code != null ? !code.equals(user.code) : user.code != null) return false; return true; } @Override public int hashCode() { int result = uid; result = 31 * result + (username != null ? username.hashCode() : 0); result = 31 * result + (password != null ? password.hashCode() : 0); result = 31 * result + (name != null ? name.hashCode() : 0); result = 31 * result + (email != null ? email.hashCode() : 0); result = 31 * result + (phone != null ? phone.hashCode() : 0); result = 31 * result + (addr != null ? addr.hashCode() : 0); result = 31 * result + (state != null ? state.hashCode() : 0); result = 31 * result + (code != null ? code.hashCode() : 0); return result; } }
第十一步 编写 Xxx.hbm.xml
<?xml version='1.0' encoding='utf-8'?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"> <hibernate-mapping> <class name="com.ssh.model.User" table="user" schema="shop"> <id name="uid" column="uid"/> <property name="username" column="username"/> <property name="password" column="password"/> <property name="name" column="name"/> <property name="email" column="email"/> <property name="phone" column="phone"/> <property name="addr" column="addr"/> <property name="state" column="state"/> <property name="code" column="code"/> </class> </hibernate-mapping>
第十二步 编写 index.jsp
<html>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%-- 引入struts2 的标签库--%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<body>
<h2>Hello World!</h2>
<%-- 获取值栈中的user对象的uname的值--%>
用户名: <s:property value="user.uname"></s:property>
</body>
</html>
第十三步 web.xml
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" > <web-app> <display-name>Archetype Created Web Application</display-name> <!--spring的加载核心配置--> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </context-param> <!--struts2核心过滤器--> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!--spring的监听器--> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> </web-app>