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SSH框架入门实例(环境搭建+框架分析+service+dao)

柳和怡
2023-12-01

1.IDEA环境搭建

1.IEDA新建maven-webapp项目
2.maven配置Struts,spring,Hibernate依赖组件
pom.xml

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <junit.version>4.12</junit.version>
    <!--JSONObject-->
    <json-lib.version>2.4</json-lib.version>
    <commons-lang.version>2.5</commons-lang.version>
    <commons-collections.version>3.2.1</commons-collections.version>
    <commons-beanutils.version>1.8.0</commons-beanutils.version>
    <commons-logging.version>1.2</commons-logging.version>
    <ezmorph.version>1.0.6</ezmorph.version>
</properties>

<dependencies>
    <!-- junit -->
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>${junit.version}</version>
        <scope>test</scope>
    </dependency>
    <!--JSONObject-->
    <dependency>
        <groupId>net.sf.json-lib</groupId>
        <artifactId>json-lib</artifactId>
        <version>${json-lib.version}</version>
        <classifier>jdk15</classifier>
    </dependency>
    <dependency>
        <groupId>commons-beanutils</groupId>
        <artifactId>commons-beanutils</artifactId>
        <version>${commons-beanutils.version}</version>
    </dependency>
    <dependency>
        <groupId>commons-logging</groupId>
        <artifactId>commons-logging</artifactId>
        <version>${commons-logging.version}</version>
    </dependency>
    <dependency>
        <groupId>net.sf.ezmorph</groupId>
        <artifactId>ezmorph</artifactId>
        <version>${ezmorph.version}</version>
    </dependency>

    <!--Struts 依赖组件-->
    <dependency>
        <groupId>org.apache.struts</groupId>
        <artifactId>struts2-core</artifactId>
        <version>2.5.14.1</version>
    </dependency>
    <dependency>
        <groupId>org.apache.struts</groupId>
        <artifactId>struts2-convention-plugin</artifactId>
        <version>2.5.14.1</version>
    </dependency>
    <dependency>
        <groupId>org.apache.struts</groupId>
        <artifactId>struts2-spring-plugin</artifactId>
        <version>2.5.14.1</version>
    </dependency>

    <dependency>
        <groupId>org.ow2.asm</groupId>
        <artifactId>asm</artifactId>
        <version>5.2</version>
    </dependency>
    <dependency>
        <groupId>org.ow2.asm</groupId>
        <artifactId>asm-commons</artifactId>
        <version>5.2</version>
    </dependency>
    <dependency>
        <groupId>cglib</groupId>
        <artifactId>cglib-nodep</artifactId>
        <version>2.1_3</version>
    </dependency>
    <dependency>
        <groupId>commons-fileupload</groupId>
        <artifactId>commons-fileupload</artifactId>
        <version>1.3.3</version>
    </dependency>
    <dependency>
        <groupId>commons-io</groupId>
        <artifactId>commons-io</artifactId>
        <version>2.5</version>
    </dependency>
    <dependency>
        <groupId>ognl</groupId>
        <artifactId>ognl</artifactId>
        <version>3.1.15</version>
    </dependency>
    <dependency>
        <groupId>org.apache.commons</groupId>
        <artifactId>commons-lang3</artifactId>
        <version>3.6</version>
    </dependency>
    <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-core</artifactId>
        <version>2.9.1</version>
    </dependency>
    <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-api</artifactId>
        <version>2.9.1</version>
    </dependency>
    <dependency>
        <groupId>log4j</groupId>
        <artifactId>log4j</artifactId>
        <version>1.2.17</version>
    </dependency>
    <dependency>
        <groupId>org.apache.struts</groupId>
        <artifactId>struts-annotations</artifactId>
        <version>1.0.6</version>
    </dependency>
    <dependency>
        <groupId>org.freemarker</groupId>
        <artifactId>freemarker</artifactId>
        <version>2.3.26-incubating</version>
    </dependency>
    <!--Spring dependencies-->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
        <version>4.1.9.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aop</artifactId>
        <version>4.1.9.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aspects</artifactId>
        <version>4.1.9.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-beans</artifactId>
        <version>4.1.9.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>4.1.9.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context-support</artifactId>
        <version>4.1.9.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
        <version>4.1.9.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-expression</artifactId>
        <version>4.1.9.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-orm</artifactId>
        <version>4.1.9.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>4.1.9.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-tx</artifactId>
        <version>4.1.9.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>
        <version>4.1.9.RELEASE</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>servlet-api</artifactId>
        <version>2.4</version>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>jsp-api</artifactId>
        <version>2.0</version>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>org.aspectj</groupId>
        <artifactId>aspectjweaver</artifactId>
        <version>1.8.7</version>
    </dependency>
    <!--Hibernate Dependencies-->
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-core</artifactId>
        <version>4.3.11.Final</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-ehcache</artifactId>
        <version>4.3.11.Final</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-entitymanager</artifactId>
        <version>4.3.11.Final</version>
    </dependency>
    <dependency>
        <groupId>net.sf.ehcache</groupId>
        <artifactId>ehcache</artifactId>
        <version>2.10.3</version>
    </dependency>
    <dependency>
        <groupId>antlr</groupId>
        <artifactId>antlr</artifactId>
        <version>2.7.7</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml</groupId>
        <artifactId>classmate</artifactId>
        <version>1.3.0</version>
    </dependency>
    <dependency>
        <groupId>dom4j</groupId>
        <artifactId>dom4j</artifactId>
        <version>1.6.1</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate.common</groupId>
        <artifactId>hibernate-commons-annotations</artifactId>
        <version>4.0.5.Final</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate.javax.persistence</groupId>
        <artifactId>hibernate-jpa-2.1-api</artifactId>
        <version>1.0.0.Final</version>
    </dependency>
    <dependency>
        <groupId>org.javassist</groupId>
        <artifactId>javassist</artifactId>
        <version>3.18.1-GA</version>
    </dependency>
    <dependency>
        <groupId>org.jboss</groupId>
        <artifactId>jandex</artifactId>
        <version>1.1.0.Final</version>
    </dependency>
    <dependency>
        <groupId>org.apache.ant</groupId>
        <artifactId>ant</artifactId>
        <version>1.8.1</version>
    </dependency>
    <dependency>
        <groupId>org.jboss.logging</groupId>
        <artifactId>jboss-logging</artifactId>
        <version>3.1.3.GA</version>
    </dependency>
    <dependency>
        <groupId>org.jboss.logging</groupId>
        <artifactId>jboss-logging-annotations</artifactId>
        <version>1.2.0.Beta1</version>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>org.jboss.spec.javax.transaction</groupId>
        <artifactId>jboss-transaction-api_1.2_spec</artifactId>
        <version>1.0.0.Final</version>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
        <version>1.7.2</version>
    </dependency>
    <dependency>
        <groupId>org.jboss.spec.javax.transaction</groupId>
        <artifactId>jboss-transaction-api_1.2_spec</artifactId>
        <version>1.0.1.Final</version>
    </dependency>
    <dependency>
        <groupId>aopalliance</groupId>
        <artifactId>aopalliance</artifactId>
        <version>1.0</version>
    </dependency>
    <!--MySQL Driver-->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>8.0.8-dmr</version>
    </dependency>
    <dependency>
        <groupId>com.mchange</groupId>
        <artifactId>c3p0</artifactId>
        <version>0.9.5.2</version>
    </dependency>
</dependencies>

配置web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
         id="WebApp_ID" version="3.0">
    <display-name>ssh</display-name>
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
    <!-- spring -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:struts/applicationContext.xml</param-value>
    </context-param>
    <!-- spring监听器 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <!-- struts拦截器 -->
    <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>
    <!-- 解决post乱码 -->
    <filter>
        <filter-name>encodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <!--为解决lazy=true在jsp页面上遍历数据,此时相关类(one2many)再查找,没有session的情况 -->
    <filter>
        <filter-name>hibernateFilter</filter-name>
        <filter-class>
            org.springframework.orm.hibernate4.support.OpenSessionInViewFilter
        </filter-class>
        <init-param>
            <param-name>singleSession</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>hibernateFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

配置struts.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
        "http://struts.apache.org/dtds/struts-2.3.dtd">
<!-- 上面的头,注意版本,从样例里复制过来 showcase.war\WEB-INF\src\java\struts.xml -->

<struts>
    <!-- 告知Struts2运行时使用Spring来创建对象 -->
    <constant name="struts.objectFactory" value="spring"/>

    <!--<constant name="struts.convention.package.locators" value="controller"/>-->
    <!-- 自动扫描action包 -->
    <!-- 注解需要的jar包:struts2-convention-plugin -->
    <!--<constant name="struts.convention.default.parent.package" value="default"/>-->
    <!--<constant name="struts.convention.package.locators.basePackage" value="com.zsm.ssh.action" />-->
    <!--<constant name="struts.convention.package.locators" value="action"/>-->
    <!--<constant name="struts.conventresultJsonsult.path" value="/WEB-INF/jsp/"/>-->
    <!--<constant name="struts.convention.classes.reload" value="true"/>-->
    <constant name="struts.i18n.encoding" value="utf-8" />
    <!--<constant name="struts.enable.DynamicMethodInvocation" value="true"/>-->

    <!-- 第1步:先定义一个包 namespace="/login"用于区别不同Action,需要添加到url中 采用注解不需配置-->
    <!--<package name="default" extends="struts-default">
        <!– 第2步:定义一个action,配置跳转信息 name 类似于Servlet @WebServlet("/IndexServlet")
      http://xxxx/xxx/Index.action http://xxxx/xxx/Index class 对应于自己写的Action类 当不写method属性时,默认调用的是execute
      class="com.zsm.ssh.action.UserAction" ** new com.zsm.ssh.action.UserAction()
      设计思想:关心了具体的实现类必须改为不要关注那个实现类 加入spring后,struts的action节点的class属性意义发生变化,
      直接引用spring帮忙创建的实例  –>
        <action name="login" class="com.zsm.ssh.action.UserAction">
            <!– 跳转是forward/WEB-INF/是防止jsp不经过action就可以访问–>
            <!– result接收返回的字符串,然后做对应的事情 –>
            <!– 跳转是forward/WEB-INF/是防止jsp不经过action就可以访问–>
            <!– result接收返回的字符串,然后做对应的事情 –>
         resultJsonsult name="index" type="json">/index.jresultJsonsult>
         resultJsonsult name="success" type="json">/success.jresultJsonsult>
         resultJsonsult name="error">/error.jresultJsonsult>
        </action>
    </package>-->

    <!-- 所有匹配*.action的请求都由struts2处理 -->
    <constant name="struts.action.extension" value="action"/>
    <!-- 是否启用开发模式 -->
    <constant name="struts.devMode" value="true"/>
    <!-- struts配置文件改动后,是否重新加载 -->
    <constant name="struts.configuration.xml.reload" value="true"/>
    <!-- 设置浏览器是否缓存静态内容 -->
    <constant name="struts.serve.static.browserCache" value="false"/>
    <!-- 请求参数的编码方式 -->
    <constant name="struts.i18n.encoding" value="utf-8"/>
    <!-- 每次HTTP请求系统都重新加载资源文件,有助于开发 -->
    <constant name="struts.i18n.reload" value="true"/>
    <!-- 文件上传最大值 -->
    <constant name="struts.multipart.maxSize" value="104857600"/>
    <!-- 让struts2支持动态方法调用 -->
    <constant name="struts.enable.DynamicMethodInvocation" value="true"/>
    <!-- Action名称中是否还是用斜线 -->
    <constant name="struts.enable.SlashesInActionNames" value="false"/>
    <!-- 允许标签中使用表达式语法 -->
    <constant name="struts.tag.altSyntax" value="true"/>
    <!-- 对于WebLogic,Orion,OC4J此属性应该设置成true -->
    <constant name="struts.dispatcher.parametersWorkaround" value="false"/>
    <package name="basePackage" extends="struts-default"/>
</struts>

配置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:aop="http://www.springframework.org/schema/aop"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
            http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd
            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.2.xsd"
       default-autowire="byName">   <!--default-lazy-init="true"    配置懒加载-->
    <!--自动扫描(实体类)注解包:实体类位置为:com.spring.mvc.entities.User,不能写成:com.spring.mvc.entities,而要写成:com.spring.mvc,packagesToScan要比实际上前一层-->
    <!--采用注解的方式注入action,service,dao  -->
    <context:component-scan base-package="com.zsm.ssh.action"/>
    <context:component-scan base-package="com.zsm.ssh.service"/>
    <context:component-scan base-package="com.zsm.ssh.dao"/>
    <!-- 开启SpringMVC注解模式 -->
    <!--<mvc:annotation-driven/>-->
    <!-- location值为参数配置文件的位置 -->
    <context:property-placeholder location="classpath:properties/db-config.properties"/>
    <!-- 属性配置文件 -->
    <!--<bean id="propertyConfigeurer"
          class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="location">
            <value>classpath:properties/db-config.properties</value>
        </property>
    </bean>-->

    <!-- 数据库配置 -->
    <!-- 数据库连接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <property name="maxPoolSize" value="${maxPoolSize}"/>
        <property name="minPoolSize" value="${minPoolSize}"/>
        <property name="autoCommitOnClose" value="${autoCommitOnClose}"/>
        <property name="checkoutTimeout" value="${checkoutTimeout}"/>
        <property name="acquireRetryAttempts" value="${acquireIncrement}"/>
    </bean>

    <!--  sessionFactory配置   -->
    <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
                <prop key="hibernate.show_sql">true</prop>
                <prop key="hibernate.format_sql">true</prop>
                <prop key="hibernate.hbm2ddl.auto">update</prop>
            </props>
        </property>
        <property name="configLocation">
            <!--mapper实例映射关系文件配置在cfg文件里-->
            <value>classpath:struts/hibernate.cfg.xml</value>
        </property>
    </bean>

    <!--spring对hibernate的事务管理  -->
    <bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory"></property>
    </bean>
    <tx:annotation-driven transaction-manager="transactionManager"/>
    <aop:config proxy-target-class="true">
        <aop:pointcut expression="execution(* com.zsm.ssh.service..*(..))" id="serviceMethod"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethod"/>
    </aop:config>

    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <!--默认:
                isolation:DEFAULT
                propagation:REQUIRED
                timeout:-1 事物超时时间由底层事物系统决定
                read-only:false
                rollback-for:所有允许异常回滚
                no-rollback-for:所有检查异常不回滚 -->
            <tx:method name="get*" read-only="true"/>
            <tx:method name="do*"/>
        </tx:attributes>
    </tx:advice>
</beans>

配置hibernate.cfg.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <session-factory>
        <!-- 数据库连接配置 -->
        <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="connection.url">jdbc:mysql://localhost:3066/personal_test?characterEncoding=utf-8</property>
        <property name="connection.username">root</property>
        <property name="connection.password">123456</property>
        <!-- 每个数据库都有1个,针对特定的关系型数据库生成优化的SQL -->
        <property name="dialect">org.hibernate.dialect.MySQL5Dialect</property>
        <!-- 设置默认的数据库连接池 -->
        <property name="connection.pool_size">5</property>
        <!-- 显示SQL -->
        <property name="show_sql">true</property>
        <!-- 格式化SQL -->
        <property name="format_sql">true</property>
        <!-- 根据schema更新数据表的工具 -->
        <property name="hbm2ddl.auto">update</property>
        <!-- 开启二级缓存 -->
        <property name="cache.use_second_level_cache">true</property>
        <!-- 开启查询二级缓存 -->
        <property name="cache.use_query_cache">true</property>
        <!-- Hibernate4.0以上设置factory 缓存工具 -->
        <property name="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.EhCacheRegionFactory
        </property>
        <!-- 二级缓存 ehcache的配置文件位置 -->
        <property name="hibernate.cache.provider_configuration_file_resource_path">struts/ehcache.xm</property>
        <!-- 数据表映射配置文件 -->
        <mapping resource="hibernate-mapper/User.hbm.xml"/>
        <!-- 需要缓存的类  read-only 无需修改,那么就可以对其进行只读 缓存;read-write需要更新数据,那么使用读/写缓存 比较合适,
        前提:数据库不可以为serializable transaction isolation level(序列化事务隔离级别);nonstrice-read-write 只偶尔需要更新数据-->
        <!-- 需要缓存的类 -->
        <class-cache usage="read-only" class="com.zsm.ssh.model.User"/>
    </session-factory>
</hibernate-configuration>

配置**.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 package="com.zsm.ssh.model">
    <class name="com.zsm.ssh.model.User" table="student">
        <id name="id" type="java.lang.Integer">
            <column name="id"/>
            <generator class="native"/>
        </id>
        <property name="user_no" type="java.lang.String">
            <column name="user_no">
                <comment>学号</comment>
            </column>
        </property>
        <property name="user_name" type="java.lang.String">
            <column name="user_name">
                <comment>名字</comment>
            </column>
        </property>
        <property name="password" type="java.lang.String">
            <column name="password">
                <comment>密码</comment>
            </column>
        </property>
        <property name="user_sex" type="java.lang.String">
            <column name="user_sex">
                <comment>性别</comment>
            </column>
        </property>
        <property name="user_birthday" type="java.util.Date">
            <column name="user_birthday">
                <comment>生日</comment>
            </column>
        </property>
        <property name="user_class" type="java.lang.String">
            <column name="user_class">
                <comment>班级</comment>
            </column>
        </property>
        <property name="createtime" type="java.util.Date">
            <column name="createtime">
                <comment>创建时间</comment>
            </column>
        </property>
        <property name="updatetime" type="java.util.Date">
            <column name="updatetime">
                <comment>更新时间</comment>
            </column>
        </property>

        <!--<!– 编号 –>-->
        <!--<id name="id" column="id" type="int">-->
        <!--<generator class="native"></generator>-->
        <!--</id>-->
        <!--<property name="user_no" column="user_no" type="java.lang.String" not-null="true"></property>-->
        <!--<!– 姓名 –>-->
        <!--<property name="user_name" column="user_name" type="java.lang.String"></property>-->
        <!--<!– 密码 –>-->
        <!--<property name="password" column="password" type="java.lang.String"></property>-->
        <!--<!– 性别 –>-->
        <!--<property name="user_sex" column="user_sex" type="java.lang.String"></property>-->
        <!--<!– 生日 –>-->
        <!--<property name="user_birthday" column="user_birthday" type="java.util.Date"></property>-->
        <!--<!– 班级 –>-->
        <!--<property name="user_class" column="user_class" type="java.lang.String"></property>-->
        <!--<!– 创建时间 –>-->
        <!--<property name="createtime" column="createtime" type="java.util.Date"></property>-->
        <!--<!– 更新时间 –>-->
        <!--<property name="updatetime" column="updatetime" type="java.util.Date"></property>-->
    </class>
</hibernate-mapping>

.hbm.xml

数据库连接

1 jdbc.driver=com.mysql.jdbc.Driver
 2 jdbc.url=jdbc:mysql://localhost:3306/webapp?characterEncoding=utf-8&serverTimezone=GMT%2B8&useUnicode=true&useSSL=false
 3 jdbc.username=root
 4 jdbc.password=123456
 5 #最大连接数
 6 maxPoolSize=30
 7 #最小连接数
 8 minPoolSize=10
 9 #关闭连接后不自动commit
10 autoCommitOnClose=false
11 #获取连接超时时间
12 checkoutTimeout=10000
13 #当获取连接失败重试次数
14 acquireIncrement=2

db-config.properties

3.框架实例
(1)建立action

package com.zsm.ssh.action;

import com.opensymphony.xwork2.ActionSupport;
import com.zsm.ssh.model.User;
import com.zsm.ssh.service.UserService;
import net.sf.json.JSONObject;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.PrintWriter;


/**
 * @Author: zengsm.
 * @Description:
 * @Date:Created in 2017/12/6 15:45.
 * @Modified By:
 */
//默认可以不写
@ParentPackage("struts-default")
//根命名空间,可以不写
@Namespace("/")
//全局配置,如果方法上不指定result,则使用该Result
//@Results({@Result(name="success",location="/success.jsp"),
//    @Result(name="error",location="/error.jsp")})
public class UserAction extends ActionSupport
{
    //前台传到后台需要set,后台传到前台需要get
    // 用户名-必须与页面请求的对应表单username值相同
    private String username;

    // 密码必须与页面请求的对应表单password值相同
    private String password;

    private String resultJson;

    /*
    * struts 接收参数三种方式:属性方式接收,JavaBean方式接收,ModelDriven方式接收参数,前两种都必须设置get和set方法
    * */
    //Spring 注入方式
    @Autowired
    private UserService userService;

    //@Action(value="login")
    @Action(value = "login", results = {
        @Result(name = "success", location = "/success.jsp", params = {"resultJson", "resultJson"}),
        @Result(name = "error", location = "/error.jsp")})
    public String execute() throws Exception
    {
        HttpServletResponse response = ServletActionContext.getResponse();
        HttpServletRequest request = ServletActionContext.getRequest();

        JSONObject result = new JSONObject();
        User user = userService.getByName(username);
        result.put("user", user);

        if (user != null && user.getUser_name().equals(username) && user.getPassword().equals(password))
        {
            result.put("message", "登录成功");
            result.put("status", "true");
            resultJson = result.toString();
            request.setAttribute("resultJson", resultJson);
            writeResponseData(request, response, result);
            return "success";
        }
        result.put("message", "登录失败");
        result.put("status", "false");
        resultJson = result.toString();
        writeResponseData(request, response, result);
        return "error";
    }

    private void writeResponseData(HttpServletRequest request, HttpServletResponse response, Object data)
    {
        response.setContentType("text/html;charset=utf-8");
        try
        {
            PrintWriter out = response.getWriter();
            out.println(data.toString());
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }

    public String getUsername()
    {
        return username;
    }

    public void setUsername(String username)
    {
        this.username = username;
    }

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

    public String getResultJson()
    {
        return resultJson;
    }

    public void setResultJson(String resultJson)
    {
        this.resultJson = resultJson;
    }
}

(2)建立service接口和实现类

package com.zsm.ssh.service;

import com.zsm.ssh.model.User;

import java.util.List;


/**
 * @Author: zengsm.
 * @Description:
 * @Date:Created in 2017/12/6 15:30.
 * @Modified By:
 */
public interface UserService
{
    List<User> findAllUser();

    int saveEntity(User user);

    boolean saveOrUpdateEntity(User user);

    boolean updateEntity(User user);

    User getByName(String name);

    User getByNo(String no);

    boolean deleteUserById(Integer id);

    boolean deleteUserByNo(String no);

    boolean deleteUserByEntity(User user);
}
package com.zsm.ssh.service.impl;

import com.zsm.ssh.dao.UserDao;
import com.zsm.ssh.model.User;
import com.zsm.ssh.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;


/**
 * @Author: zengsm.
 * @Description:
 * @Date:Created in 2017/12/6 15:31.
 * @Modified By:
 */
@Service("userService")
@Transactional
public class UserServiceImpl implements UserService
{
    @Autowired
    private UserDao userDao;

    @Override
    public List<User> findAllUser()
    {
        List<User> allUser = userDao.findAllUser();
        return allUser;
    }

    @Override
    public int saveEntity(User user)
    {
        int id = userDao.saveEntity(user);
        return id;
    }

    @Override
    public boolean saveOrUpdateEntity(User user)
    {
        try
        {
            userDao.saveOrUpdateEntity(user);
            return true;
        }
        catch (Exception e)
        {
            e.printStackTrace();
            return false;
        }
    }

    @Override
    public boolean updateEntity(User user)
    {
        try
        {
            userDao.updateEntity(user);
            return true;
        }
        catch (Exception e)
        {
            e.printStackTrace();
            return false;
        }
    }

    @Override
    public User getByName(String name)
    {
        try
        {
            User user = userDao.getByName(name);
            return user;
        }
        catch (Exception e)
        {
            e.printStackTrace();
            return null;
        }
    }

    @Override
    public User getByNo(String no)
    {
        try
        {
            User user = userDao.getByNo(no);
            return user;
        }
        catch (Exception e)
        {
            e.printStackTrace();
            return null;
        }
    }

    @Override
    public boolean deleteUserById(Integer id)
    {
        try
        {
            userDao.deleteUserById(id);
            return true;
        }
        catch (Exception e)
        {
            e.printStackTrace();
            return false;
        }
    }

    @Override
    public boolean deleteUserByNo(String no)
    {
        try
        {
            userDao.deleteUserByNo(no);
            return true;
        }
        catch (Exception e)
        {
            e.printStackTrace();
            return false;
        }
    }

    @Override
    public boolean deleteUserByEntity(User user)
    {
        try
        {
            userDao.deleteUserByEntity(user);
            return true;
        }
        catch (Exception e)
        {
            e.printStackTrace();
            return false;
        }
    }
}

3.建立Dao接口和实现类

package com.zsm.ssh.dao;

import com.zsm.ssh.model.User;

import java.util.List;


/**
 * @Author: zengsm.
 * @Description:
 * @Date:Created in 2017/12/6 15:32.
 * @Modified By:
 */
public interface UserDao
{
    List<User> findAllUser();

    int saveEntity(User user);

    void saveOrUpdateEntity(User user);

    void updateEntity(User user);

    User getByName(String name);

    User getByNo(String no);

    void deleteUserById(Integer id);

    void deleteUserByNo(String no);

    void deleteUserByEntity(User user);
}
package com.zsm.ssh.dao.impl;

import com.zsm.ssh.dao.UserDao;
import com.zsm.ssh.model.User;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.orm.hibernate4.support.HibernateDaoSupport;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;


/**
 * @Author: zengsm.
 * @Description:
 * @Date:Created in 2017/12/6 15:36.
 * @Modified By:
 */
@Repository("userDao")
public class UserDaoImpl extends HibernateDaoSupport implements UserDao
{
    //这里的属性名一定要和配置中的属性名一致
    @Autowired
    private SessionFactory sessionFactory;

    @Override
    @Transactional(propagation = Propagation.REQUIRED)
    public List<User> findAllUser()
    {
        Session session = sessionFactory.openSession();
        //将所有的数据查询出来并放到List集合里 User是表对应的实例名称
        List<User> list = session.createQuery("from User").list();
        session.close();
        return list;
    }

    @Override
    @Transactional(propagation = Propagation.REQUIRED)
    public int saveEntity(User user)
    {
        Session session = sessionFactory.getCurrentSession();
        //返回插入数据id
        Object id = session.save(user);
        return Integer.valueOf(id.toString());
    }

    @Override
    @Transactional(propagation = Propagation.REQUIRED)
    public void saveOrUpdateEntity(User user)
    {
        Session session = sessionFactory.getCurrentSession();
        session.saveOrUpdate(user);
    }

    @Override
    @Transactional(propagation = Propagation.REQUIRED)
    public void updateEntity(User user)
    {
        Session session = sessionFactory.getCurrentSession();
        session.update(user);
    }

    @Override
    @Transactional(propagation = Propagation.REQUIRED)
    public User getByName(String name)
    {
        Session session = sessionFactory.getCurrentSession();
        //根据id查询,结果返回 User.class
        User user = (User)session.get(User.class, 2);
        //将所有的数据查询出来并放到List集合里 User是表对应的实例名称
        List users = session.createQuery("from User where user_name='" + name + "'").list();
        return (User)users.get(0);
    }

    @Override
    @Transactional(propagation = Propagation.REQUIRED)
    public User getByNo(String no)
    {
        Session session = sessionFactory.getCurrentSession();
        List users = session.createQuery("from User where user_no='" + no + "'").list();
        return (User)users.get(0);
    }

    @Override
    @Transactional(propagation = Propagation.REQUIRED)
    public void deleteUserById(Integer id)
    {
        Session session = sessionFactory.getCurrentSession();
        String sql = "delete from User where id=:id";
        Query query = session.createQuery(sql);
        query.setParameter("id", id);
        query.executeUpdate();
    }

    @Override
    @Transactional(propagation = Propagation.REQUIRED)
    public void deleteUserByNo(String no)
    {
        Session session = sessionFactory.getCurrentSession();
        String sql = "delete from User where user_no=:no";
        Query query = session.createQuery(sql);
        query.setParameter("no", no);
        query.executeUpdate();
    }

    @Override
    @Transactional(propagation = Propagation.REQUIRED)
    public void deleteUserByEntity(User user)
    {
        Session session = sessionFactory.getCurrentSession();
        //传入实例对象,比较id删除对应行,,没有id匹配就不删除
        session.delete(User.class.getName(), user);
    }
}
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