SSH框架整合
第一步pom.xml,里面的内容分为5个点导入
<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.jt</groupId> <artifactId>ssh</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>ssh Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <hibernate.version>5.2.12.Final</hibernate.version> <mysql.version>5.1.44</mysql.version> <spring.version>5.0.1.RELEASE</spring.version> <struts2.version>2.5.13</struts2.version> <slf4j.version>1.7.7</slf4j.version> <log4j2.version>2.9.1</log4j2.version> <disruptor.version>3.2.0</disruptor.version> <junit.version>4.12</junit.version> <javax.servlet.version>4.0.0</javax.servlet.version> <jstl.version>1.2</jstl.version> <standard.version>1.1.2</standard.version> <tomcat-jsp-api.version>8.0.47</tomcat-jsp-api.version> </properties> <dependencies> <!-- 1、导入hibernate依赖 --> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>${hibernate.version}</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-c3p0</artifactId> <version>${hibernate.version}</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-ehcache</artifactId> <version>${hibernate.version}</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <!-- 2、导入spring依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> <version>${spring.version}</version> </dependency> <!-- 3、导入struts2依赖 --> <dependency> <groupId>org.apache.struts</groupId> <artifactId>struts2-core</artifactId> <version>${struts2.version}</version> </dependency> <dependency> <groupId>org.apache.struts</groupId> <artifactId>struts2-spring-plugin</artifactId> <version>${struts2.version}</version> </dependency> <!-- 4、导入日志系统依赖 --> <!-- log配置：Log4j2 + Slf4j --> <!-- slf4j核心包 --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>jcl-over-slf4j</artifactId> <version>${slf4j.version}</version> <scope>runtime</scope> </dependency> <!--用于与slf4j保持桥接 --> <dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-slf4j-impl</artifactId> <version>${log4j2.version}</version> </dependency> <!--核心log4j2jar包 --> <dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-api</artifactId> <version>${log4j2.version}</version> </dependency> <dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-core</artifactId> <version>${log4j2.version}</version> </dependency> <!--web工程需要包含log4j-web，非web工程不需要 --> <dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-web</artifactId> <version>${log4j2.version}</version> <scope>runtime</scope> </dependency> <!--需要使用log4j2的AsyncLogger需要包含disruptor --> <dependency> <groupId>com.lmax</groupId> <artifactId>disruptor</artifactId> <version>${disruptor.version}</version> </dependency> <!-- 5、other --> <!-- 5.1、junit --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>${junit.version}</version> <scope>test</scope> </dependency> <!-- 5.2、servlet --> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>${javax.servlet.version}</version> <scope>provided</scope> </dependency> <!-- 5.3、jstl、standard --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>${jstl.version}</version> </dependency> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>${standard.version}</version> </dependency> <!-- 5.4、tomcat-jsp-api --> <dependency> <groupId>org.apache.tomcat</groupId> <artifactId>tomcat-jsp-api</artifactId> <version>${tomcat-jsp-api.version}</version> </dependency> </dependencies> <build> <finalName>ssh</finalName> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.7.0</version> <configuration> <source>1.8</source> <target>1.8</target> <encoding>UTF-8</encoding> </configuration> </plugin> </plugins> </build> </project>
再导入几个配置文件
log4j2.xml
<?xml version="1.0" encoding="UTF-8"?> <!-- status : 指定log4j本身的打印日志的级别.ALL< Trace < DEBUG < INFO < WARN < ERROR < FATAL < OFF。 monitorInterval : 用于指定log4j自动重新配置的监测间隔时间，单位是s,最小是5s. --> <Configuration status="WARN" monitorInterval="30"> <Properties> <!-- 配置日志文件输出目录 ${sys:user.home} --> <Property name="LOG_HOME">/root/workspace/lucenedemo/logs</Property> <property name="ERROR_LOG_FILE_NAME">/root/workspace/lucenedemo/logs/error</property> <property name="WARN_LOG_FILE_NAME">/root/workspace/lucenedemo/logs/warn</property> <property name="PATTERN">%d{yyyy-MM-dd HH:mm:ss.SSS} [%t-%L] %-5level %logger{36} - %msg%n</property> </Properties> <Appenders> <!--这个输出控制台的配置 --> <Console name="Console" target="SYSTEM_OUT"> <!-- 控制台只输出level及以上级别的信息(onMatch),其他的直接拒绝(onMismatch) --> <ThresholdFilter level="trace" onMatch="ACCEPT" onMismatch="DENY" /> <!-- 输出日志的格式 --> <!-- %d{yyyy-MM-dd HH:mm:ss, SSS} : 日志生产时间 %p : 日志输出格式 %c : logger的名称 %m : 日志内容，即 logger.info("message") %n : 换行符 %C : Java类名 %L : 日志输出所在行数 %M : 日志输出所在方法名 hostName : 本地机器名 hostAddress : 本地ip地址 --> <PatternLayout pattern="${PATTERN}" /> </Console> <!--文件会打印出所有信息，这个log每次运行程序会自动清空，由append属性决定，这个也挺有用的，适合临时测试用 --> <!--append为TRUE表示消息增加到指定文件中，false表示消息覆盖指定的文件内容，默认值是true --> <File name="log" fileName="logs/test.log" append="false"> <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" /> </File> <!-- 这个会打印出所有的info及以下级别的信息，每次大小超过size， 则这size大小的日志会自动存入按年份-月份建立的文件夹下面并进行压缩，作为存档 --> <RollingFile name="RollingFileInfo" fileName="${LOG_HOME}/info.log" filePattern="${LOG_HOME}/$${date:yyyy-MM}/info-%d{yyyy-MM-dd}-%i.log"> <!--控制台只输出level及以上级别的信息（onMatch），其他的直接拒绝（onMismatch） --> <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY" /> <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" /> <Policies> <!-- 基于时间的滚动策略，interval属性用来指定多久滚动一次，默认是1 hour。 modulate=true用来调整时间：比如现在是早上3am，interval是4，那么第一次滚动是在4am，接着是8am，12am...而不是7am. --> <!-- 关键点在于 filePattern后的日期格式，以及TimeBasedTriggeringPolicy的interval， 日期格式精确到哪一位，interval也精确到哪一个单位 --> <!-- log4j2的按天分日志文件 : info-%d{yyyy-MM-dd}-%i.log --> <TimeBasedTriggeringPolicy interval="1" modulate="true" /> <!-- SizeBasedTriggeringPolicy:Policies子节点， 基于指定文件大小的滚动策略，size属性用来定义每个日志文件的大小. --> <!-- <SizeBasedTriggeringPolicy size="2 kB" /> --> </Policies> </RollingFile> <RollingFile name="RollingFileWarn" fileName="${WARN_LOG_FILE_NAME}/warn.log" filePattern="${WARN_LOG_FILE_NAME}/$${date:yyyy-MM}/warn-%d{yyyy-MM-dd}-%i.log"> <ThresholdFilter level="warn" onMatch="ACCEPT" onMismatch="DENY" /> <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" /> <Policies> <TimeBasedTriggeringPolicy /> <SizeBasedTriggeringPolicy size="2 kB" /> </Policies> <!-- DefaultRolloverStrategy属性如不设置，则默认为最多同一文件夹下7个文件，这里设置了20 --> <DefaultRolloverStrategy max="20" /> </RollingFile> <RollingFile name="RollingFileError" fileName="${ERROR_LOG_FILE_NAME}/error.log" filePattern="${ERROR_LOG_FILE_NAME}/$${date:yyyy-MM}/error-%d{yyyy-MM-dd-HH-mm}-%i.log"> <ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY" /> <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" /> <Policies> <!-- log4j2的按分钟 分日志文件 : warn-%d{yyyy-MM-dd-HH-mm}-%i.log --> <TimeBasedTriggeringPolicy interval="1" modulate="true" /> <!-- <SizeBasedTriggeringPolicy size="10 MB" /> --> </Policies> </RollingFile> </Appenders> <!--然后定义logger，只有定义了logger并引入的appender，appender才会生效 --> <Loggers> <!--过滤掉spring和mybatis的一些无用的DEBUG信息 --> <logger name="org.springframework" level="INFO"></logger> <logger name="org.mybatis" level="INFO"></logger> <!-- 第三方日志系统 --> <logger name="org.springframework" level="ERROR" /> <logger name="org.hibernate" level="ERROR" /> <logger name="org.apache.struts2" level="ERROR" /> <logger name="com.opensymphony.xwork2" level="ERROR" /> <logger name="org.jboss" level="ERROR" /> <!-- 配置日志的根节点 --> <root level="all"> <appender-ref ref="Console" /> <appender-ref ref="RollingFileInfo" /> <appender-ref ref="RollingFileWarn" /> <appender-ref ref="RollingFileError" /> </root> </Loggers> </Configuration>
db.properties
db.username=root db.password=123 db.driverClass=com.mysql.jdbc.Driver db.jdbcUrl=jdbc:mysql://127.0.0.1:3306/sys?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT db.initialPoolSize=10 db.maxPoolSize=20 db.minPoolSize=5 db.maxIdleTime=60 db.acquireIncrement=5 db.maxStatements=0 db.idleConnectionTestPeriod=60 db.acquireRetryAttempts=30 db.breakAfterAcquireFailure=true db.testConnectionOnCheckout=false
ehcache.xml
<?xml version="1.0" encoding="UTF-8"?> <ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://ehcache.org/ehcache.xsd" updateCheck="false"> <!--磁盘存储:将缓存中暂时不使用的对象,转移到硬盘,类似于Windows系统的虚拟内存--> <!--path:指定在硬盘上存储对象的路径--> <!--java.io.tmpdir 是默认的临时文件路径。 可以通过如下方式打印出具体的文件路径 System.out.println(System.getProperty("java.io.tmpdir"));--> <diskStore path="java.io.tmpdir"/> <!--defaultCache：默认的管理策略--> <!--eternal：设定缓存的elements是否永远不过期。如果为true，则缓存的数据始终有效，如果为false那么还要根据timeToIdleSeconds，timeToLiveSeconds判断--> <!--maxElementsInMemory：在内存中缓存的element的最大数目--> <!--overflowToDisk：如果内存中数据超过内存限制，是否要缓存到磁盘上--> <!--diskPersistent：是否在磁盘上持久化。指重启jvm后，数据是否有效。默认为false--> <!--timeToIdleSeconds：对象空闲时间(单位：秒)，指对象在多长时间没有被访问就会失效。只对eternal为false的有效。默认值0，表示一直可以访问--> <!--timeToLiveSeconds：对象存活时间(单位：秒)，指对象从创建到失效所需要的时间。只对eternal为false的有效。默认值0，表示一直可以访问--> <!--memoryStoreEvictionPolicy：缓存的3 种清空策略--> <!--FIFO：first in first out (先进先出)--> <!--LFU：Less Frequently Used (最少使用).意思是一直以来最少被使用的。缓存的元素有一个hit 属性，hit 值最小的将会被清出缓存--> <!--LRU：Least Recently Used(最近最少使用). (ehcache 默认值).缓存的元素有一个时间戳，当缓存容量满了，而又需要腾出地方来缓存新的元素的时候，那么现有缓存元素中时间戳离当前时间最远的元素将被清出缓存--> <defaultCache eternal="false" maxElementsInMemory="1000" overflowToDisk="false" diskPersistent="false" timeToIdleSeconds="0" timeToLiveSeconds="600" memoryStoreEvictionPolicy="LRU"/> <!--name： Cache的名称，必须是唯一的(ehcache会把这个cache放到HashMap里)--> <cache name="stuCache" eternal="false" maxElementsInMemory="100" overflowToDisk="false" diskPersistent="false" timeToIdleSeconds="0" timeToLiveSeconds="300" memoryStoreEvictionPolicy="LRU"/> </ehcache>
struts-base.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> <constant name="struts.i18n.encoding" value="UTF-8" /> <constant name="struts.devMode" value="true" /> <constant name="struts.configuration.xml.reload" value="true" /> <constant name="struts.i18n.reload" value="true" /> <constant name="struts.enable.DynamicMethodInvocation" value="true" /> <package name="base" extends="struts-default" abstract="true"> <global-allowed-methods>regex:.*</global-allowed-methods> </package> </struts>
struts-book.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> <package name="book" extends="base" > <action name="/book_*" class="bookAction" method="{1}"> </action> </package> </struts>
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> <include file="struts-default.xml"></include> <include file="struts-base.xml"></include> <include file="struts-book.xml"></include> </struts>
spring-book.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/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd"> <bean class="com.jt.book.dao.BookDao" parent="baseDao" id="bookDao"></bean> <bean class="com.jt.book.biz.impl.BookBizImpl" parent="baseBiz" id="bookBiz"> <property name="bookDao" ref="bookDao"></property> </bean> <bean class="com.jt.book.web.BookAction" parent="baseAction" id="bookAction"> <property name="bookBiz" ref="bookBiz"></property> </bean> </beans>
spring-context.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/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd"> <import resource="spring-hibernate.xml"/> <import resource="spring-book.xml"/> </beans>
spring-hibernate.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/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd"> <!-- 1、注册jdbc相关的配置文件 --> <context:property-placeholder location="classpath:db.properties" /> <!-- 配置c3p0连接池 --> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="user" value="${db.username}"></property> <property name="password" value="${db.password}"></property> <property name="driverClass" value="${db.driverClass}"></property> <property name="jdbcUrl" value="${db.jdbcUrl}"></property> <!--初始化时获取的连接数，取值应在minPoolSize与maxPoolSize之间。Default: 3 --> <property name="initialPoolSize" value="${db.initialPoolSize}"></property> <!--连接池中保留的最大连接数。Default: 15 --> <property name="maxPoolSize" value="${db.maxPoolSize}"></property> <!--连接池中保留的最小连接数。 --> <property name="minPoolSize" value="${db.minPoolSize}" /> <!--最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 --> <property name="maxIdleTime" value="${db.maxIdleTime}" /> <!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 --> <property name="acquireIncrement" value="${db.acquireIncrement}" /> <!--JDBC的标准参数，用以控制数据源内加载的PreparedStatements数量。但由于预缓存的statements 属于单个connection而不是整个连接池。 所以设置这个参数需要考虑到多方面的因素。如果maxStatements与maxStatementsPerConnection均为0，则缓存被关闭。Default: 0 --> <property name="maxStatements" value="${db.maxStatements}" /> <!--每60秒检查所有连接池中的空闲连接。Default: 0 --> <property name="idleConnectionTestPeriod" value="${db.idleConnectionTestPeriod}" /> <!--定义在从数据库获取新连接失败后重复尝试的次数。Default: 30 --> <property name="acquireRetryAttempts" value="${db.acquireRetryAttempts}" /> <!--获取连接失败将会引起所有等待连接池来获取连接的线程抛出异常。但是数据源仍有效 保留，并在下次调用getConnection()的时候继续尝试获取连接。 如果设为true，那么在尝试 获取连接失败后该数据源将申明已断开并永久关闭。Default: false --> <property name="breakAfterAcquireFailure" value="${db.breakAfterAcquireFailure}" /> <!--因性能消耗大请只在需要的时候使用它。如果设为true那么在每个connection提交的 时候都将校验其有效性。建议使用idleConnectionTestPeriod 或automaticTestTable 等方法来提升连接测试的性能。Default: false --> <property name="testConnectionOnCheckout" value="${db.breakAfterAcquireFailure}" /> </bean> <!-- 3、配置sessionfactory相关信息 --> <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean"> <!-- 数据源 --> <property name="dataSource"> <ref bean="dataSource" /> </property> <!-- hibernate相关属性 --> <property name="hibernateProperties"> <props> <prop key="dialect">org.hibernate.dialect.MySQLDialect</prop> <!--spring与Hibernate集成无法显示sql语句问题，请见集成后hibernate无法显示sql语句.txt --> <prop key="hibernate.show_sql">true</prop> <prop key="hibernate.format_sql">true</prop> </props> </property> <!-- 实体映射文件 --> <property name="mappingResources"> <list> <value>com/jt/book/entity/book.hbm.xml</value> </list> </property> </bean> <!-- 4、配置事务 --> <!--声明式事务配置开始 --> <!-- 静态代理： 一个代理对象->一个目标对象 BookProxy(BookBizImpl+myMethodBeforeAdvice)->bookBiz OrderProxy(OrderBizImpl+myMethodBeforeAdvice2)-> OrderBiz 动态代理： 一个代理对象->多个目标对象 --> <!--1) 开启自动代理 --> <aop:aspectj-autoproxy /> <!--2) 事务管理器 --> <bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager"> <property name="sessionFactory" ref="sessionFactory" /> </bean> <!--3) 定义事务特性 --> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="add*" propagation="REQUIRED" /> <tx:method name="save*" propagation="REQUIRED" /> <tx:method name="insert*" propagation="REQUIRED" /> <tx:method name="edit*" propagation="REQUIRED" /> <tx:method name="update*" propagation="REQUIRED" /> <tx:method name="del*" propagation="REQUIRED" /> <tx:method name="remove*" propagation="REQUIRED" /> <tx:method name="load*" propagation="REQUIRED" read-only="true" /> <tx:method name="list*" propagation="REQUIRED" read-only="true" /> <tx:method name="select*" propagation="REQUIRED" read-only="true" /> <tx:method name="query*" propagation="REQUIRED" read-only="true" /> <tx:method name="do*" propagation="REQUIRED" /> </tx:attributes> </tx:advice> <!--4) 定义切入点 --> <aop:config> <!-- pointcut属性用来定义一个切入点，分成四个部分理解 [* ][*..][*Biz][.*(..)] --> <!-- A： 返回类型，*表示返回类型不限 --> <!-- B： 包名，*..表示包名不限 --> <!-- C： 类或接口名，*Biz表示类或接口必须以Biz结尾 --> <!-- D： 方法名和参数，*(..)表示方法名不限，参数类型和个数不限 --> <aop:advisor advice-ref="txAdvice" pointcut="execution(* *..*Biz.*(..))" /> </aop:config> <!-- 声明式事务配置结束 --> <!-- 5、配置HibernateTemplate --> <bean class="org.springframework.orm.hibernate5.HibernateTemplate" id="hibernateTemplate"> <property name="sessionFactory" ref="sessionFactory"></property> </bean> <!-- 6、分模块开发（只配置base模块） --> <bean class="com.jt.base.entity.BaseEntity" abstract="true" id="baseEntity"></bean> <bean class="com.jt.base.dao.BaseDao" abstract="true" id="baseDao" > <property name="hibernateTemplate" ref="hibernateTemplate"></property> </bean> <bean class="com.jt.base.biz.BsaeBiz" abstract="true" id="baseBiz"></bean> <bean class="com.jt.base.web.BaseAction" abstract="true" id="baseAction"></bean> </beans>
还有一个就是配置XML
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1"> <display-name>Archetype Created Web Application</display-name> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring-context.xml</param-value> </context-param> <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> <!-- 2、整合struts2 --> <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>*.action</url-pattern> </filter-mapping> <!-- 3、添加过滤器 --> <filter> <filter-name>encodingFilter</filter-name> <filter-class> org.springframework.web.filter.CharacterEncodingFilter </filter-class> <async-supported>true</async-supported> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>encodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
接下来就是要写的方法了
先BaseDao.java
package com.jt.base.dao; import java.io.Serializable; import java.util.Collection; import java.util.List; import java.util.Map; import org.hibernate.Session; import org.hibernate.query.Query; import org.springframework.orm.hibernate5.support.HibernateDaoSupport; import com.jt.base.util.PageBean; public class BaseDao extends HibernateDaoSupport implements Serializable{ public void setParam(Query query,Map<String, Object> map) { if(map == null || map.size() < 1) { return; } Object value = null; for(Map.Entry<String, Object> entry:map.entrySet()) { value = entry.getValue(); if(value instanceof Collection) { query.setParameterList(entry.getKey(), (Collection) value); }else if(value instanceof Object[]) { query.setParameterList(entry.getKey(), (Object[]) value); }else { query.setParameter(entry.getKey(), value); } } } public String getCountHql(String hql) { int index = hql.toUpperCase().indexOf("FROM"); return "select count(*) "+hql.substring(index); } /** * * @param hql 已经拼装好的 * @param map * @param pageBean * @return */ public List executeQuery(Session session, String hql,Map<String, Object> map,PageBean pageBean) { if(pageBean !=null && pageBean.isPagination()) { String countHql = getCountHql(hql); Query countQuery = session.createQuery(countHql); this.setParam(countQuery, map); pageBean.setTotal(countQuery.getSingleResult().toString()); Query query = session.createQuery(hql); this.setParam(query, map); query.setFirstResult(pageBean.getStartIndex()); query.setMaxResults(pageBean.getRows()); List list = query.list(); return list; }else { Query query = session.createQuery(hql); this.setParam(query, map); List list = query.list(); return list; } } }
BsaeBiz.java
package com.jt.base.biz; public interface BsaeBiz { }
BaseEntity.java
package com.jt.base.entity; import java.io.Serializable; /** * 这里存放所有实体类的共性属性 * jsp传递到后台的参数 * 非数据库与表的映射关系字段属性 * @author 蒋涛 * */ public class BaseEntity implements Serializable{ }
PageBean.java和StringUtils.java在前面的博客中有
BaseAction.java
package com.jt.base.web; import java.io.Serializable; import javax.servlet.ServletContext; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.struts2.interceptor.ServletRequestAware; import org.apache.struts2.interceptor.ServletResponseAware; public class BaseAction implements ServletRequestAware, ServletResponseAware,Serializable{ private static final long serialVersionUID = -7110462505161900879L; /** * 为了传值使用 */ protected HttpServletResponse response; protected HttpServletRequest request; protected HttpSession session; protected ServletContext application; /** * 为了配置跳转页面所用 */ protected final static String SUCCESS = "success"; protected final static String FAIL = "fail"; protected final static String LIST = "list"; protected final static String ADD = "add"; protected final static String EDIT = "edit"; protected final static String DETAIL = "detail"; /** * 具体传值字段 后端向jsp页面传值所用字段 */ protected Object result; protected Object msg; protected int code; public Object getResult() { return result; } public Object getMsg() { return msg; } public int getCode() { return code; } @Override public void setServletResponse(HttpServletResponse arg0) { this.response = arg0; } @Override public void setServletRequest(HttpServletRequest arg0) { this.request = arg0; this.session = arg0.getSession(); this.application = arg0.getServletContext(); } }
Book包里面的
BookDao.java
package com.jt.book.dao; import java.util.List; import org.hibernate.HibernateException; import org.hibernate.Session; import org.springframework.orm.hibernate5.HibernateCallback; import com.jt.base.dao.BaseDao; import com.jt.book.entity.Book; /** * 注意： 1一定要继承BaseDao(是为了获取到hibernateTemplete) 2方法命名有讲究（一定要符合声明事务所定义的规则） * 若是不遵循规则，那么数据是不会提交到数据库 3hibernateTemplete模板在执行查询的时候比较特殊 * * @author 蒋涛 * */ public class BookDao extends BaseDao { public int add(Book book) { return (int) getHibernateTemplate().save(book); } public void edit(Book book) { getHibernateTemplate().update(book); } public void del(Book book) { getHibernateTemplate().delete(book); } public List<Book> list() { return (List<Book>) getHibernateTemplate().execute(new HibernateCallback<List<Book>>() { @Override public List<Book> doInHibernate(Session session) throws HibernateException { // TODO Auto-generated method stub return session.createQuery("from Book").list(); } }); } }
BookBiz.java
package com.jt.book.biz; import java.util.List; import com.jt.book.entity.Book; public interface BookBiz { public int add(Book book); public void edit(Book book); public void del(Book book); public List<Book> list(); }
BookBizImpl.java
package com.jt.book.biz.impl; import java.util.List; import com.jt.book.biz.BookBiz; import com.jt.book.dao.BookDao; import com.jt.book.entity.Book; /** * pointcu="execution(* *..*Biz.*(..))" * 为什么切面要切在biz上面不能切在dao层上 * 明确作用： * 切面的目的是为了在目标的对象的方法定义事务特性（add/del/edit/list） * 给上面所列举的方法开启或提交事务等等 * * * 举例说明切在biz与在dao层上的区别！ * web层 * MoneyAction.transfer(){ * MoneyBiz.transfer(User u1,User u2) * } * biz层： * MoneyBiz.transfer(User u1,User u2){ * MoneyDao.edit(u1); * MoneyDao.edit(u2); * * } * dao层： * MoneyDao.edit(User u) * * * * 银行转账的列子 * 如果切dao层上： * SSH解读程序员所写代码 * biz层： * MoneyBiz.transfer(User u1,User u2){ * Transation t1=session.beginTransation(); * MoneyDao.edit(u1); * t1.commit(); * Transation t2=session.beginTransation(); * MoneyDao.edit(u2); * t2.commit(); * } * * 从上面的代码可以看出来，一个转账的功能处于两个事务当中 * 如果 * MoneyDao.edit(u1); * 这里发生了异常 * MoneyDao.edit(u2); * * 如果切在biz层： * web层 * MoneyAction.transfer(){ * Transation t=session.beginTransation(); * MoneyBiz.transfer(User u1,User u2) * MoneyDao.edit(u1); * 出现了异常 * MoneyDao.edit(u2); * t.commit(); * } * * * * * @author jt * */ public class BookBizImpl implements BookBiz{ private BookDao bookDao; @Override public int add(Book book) { // TODO Auto-generated method stub return bookDao.add(book); } public BookDao getBookDao() { return bookDao; } public void setBookDao(BookDao bookDao) { this.bookDao = bookDao; } @Override public void edit(Book book) { // TODO Auto-generated method stub bookDao.edit(book); } @Override public void del(Book book) { // TODO Auto-generated method stub bookDao.del(book); } @Override public List<Book> list() { // TODO Auto-generated method stub return bookDao.list(); } }
Book.java
package com.jt.book.entity; import java.io.Serializable; import java.util.HashSet; import java.util.Locale.Category; import java.util.Set; public class Book implements Serializable{ // book_id int primary key auto_increment, // book_name varchar(50) not null, // price float not null private Integer bookId; private String bookName; private Float price; private Set<Category> categories = new HashSet<Category>(); private Integer initCategories = 0; public Integer getInitCategories() { return initCategories; } public void setInitCategories(Integer initCategories) { this.initCategories = initCategories; } public Integer getBookId() { return bookId; } public void setBookId(Integer bookId) { this.bookId = bookId; } public String getBookName() { return bookName; } public void setBookName(String bookName) { this.bookName = bookName; } public Float getPrice() { return price; } public void setPrice(Float price) { this.price = price; } public Set<Category> getCategories() { return categories; } public void setCategories(Set<Category> categories) { this.categories = categories; } @Override public String toString() { return "Book [bookId=" + bookId + ", bookName=" + bookName + ", price=" + price + "]"; } public Book(Integer bookId, String bookName, Float price) { super(); this.bookId = bookId; this.bookName = bookName; this.price = price; } public Book() { super(); } }
book.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.jt.book.entity.Book" table="t_hibernate_book"> <id name="bookId" type="java.lang.Integer" column="book_id"> <generator class="increment" /> </id> <property name="bookName" type="java.lang.String" column="book_name"> </property> <property name="price" type="java.lang.Float" column="price"> </property> <!-- set标签 table:对应的是中间表，没有实体类的，意味着靠两张主表对应的映射文件联合管理数据 name：当前映射文件对应的实体类对应的属性 cascade:级联新增修改，说白了就是当前实体类对应的表删除能否影响到关联表的数据 inberse:中间表的数据维护的权利交给对方 key标签 column：当前表t_hibernate_book_category的主键book_id在中间表的列段bid many-to-many: column:代表中间表对应的除去当前表t_hibernate_book的非主键的中间列段cid class:cid对应的类 --> <!-- <set table="t_hibernate_book_category" name="categories" cascade="save-update" inverse="true"> one <key column="bid"></key> many <many-to-many column="cid" class="com.jt4.entity.Category"></many-to-many> </set> --> </class> </hibernate-mapping>
BookAction.java
package com.jt.book.web; import java.util.List; import com.jt.base.web.BaseAction; import com.jt.book.biz.BookBiz; import com.jt.book.entity.Book; import com.opensymphony.xwork2.ModelDriven; public class BookAction extends BaseAction implements ModelDriven<Book>{ private Book book=new Book(); private BookBiz bookBiz; @Override public Book getModel() { // TODO Auto-generated method stub return book; } public BookBiz getBookBiz() { return bookBiz; } public void setBookBiz(BookBiz bookBiz) { this.bookBiz = bookBiz; } public String add() { System.out.println("增加"); this.bookBiz.add(book); return null; } public String edit() { System.out.println(book); this.bookBiz.edit(book); return null; } public String del() { System.out.println(book); this.bookBiz.del(book); return null; } public String list() { List<Book> list2 = this.bookBiz.list(); for (Book b : list2) { System.out.println(b); } return null; } }
导航栏输入如下地址
