1. 框架回顾

SSH框架笔记01_SSH整合的两种方式-LMLPHP

2. 创建项目,引入jar

2.1 Struts2的jar包

  • 基础包:..\struts2\struts-2.3.24-apps\struts-2.3.24\apps\struts2-blank\WEB-INF\lib\*.jar
asm-commons-3.3.jar
asm-tree-3.3.jar
commons-fileupload-1.3.1.jar
commons-io-2.2.jar
commons-lang3-3.2.jar
freemarker-2.3.22.jar
javassist-3.11.0.GA.jar
log4j-api-2.2.jar
log4j-core-2.2.jar
ognl-3.0.6.jar
struts2-core-2.3.24.jar
xwork-core-2.3.24.jar
  • 其他..\struts2\struts-2.3.24\lib
Struts2的整合AJAX的开发包struts2-json-plugin-2.3.24.jar
Struts2的整合Spring的开发包struts2-spring-plugin-2.3.24.jar

2.2 Hibernate的jar包

  • 必须的包:..\hibernate-release-5.0.7.Final\lib\required
dom4j-1.6.1.jar
geronimo-jta_1.1_spec-1.1.1.jar
hibernate-commons-annotations-5.0.1.Final.jar
hibernate-core-5.0.7.Final.jar
hibernate-jpa-2.1-api-1.0.0.Final.jar
jandex-2.0.0.Final.jar
javassist-3.18.1-GA.jar
jboss-logging-3.3.0.Final.jar
  • MySQL驱动包:mysql-connector-java-5.0.4-bin.jar
  • 日志包:
slf4j-api-1.6.1.jar
slf4j-log4j12-1.7.2.jar
  • 使用C3P0连接池:..\hibernate-release-5.0.7.Final\lib\optional\c3p0\*.jar
hibernate-c3p0-5.0.7.Final.jar
mchange-commons-java-0.2.3.4.jar
  • 注意:Struts2和Hibernate都引入了一个相同的jar包(javassist包)。删除一个。

2.3 Spring的jar包

  • IOC的开发
..\spring-framework-4.2.4.RELEASE-dist\spring-framework-4.2.4.RELEASE\libsspring-context-4.2.4.RELEASE.jar
..\spring-framework-4.2.4.RELEASE-dist\spring-framework-4.2.4.RELEASE\libsspring-core-4.2.4.RELEASE.jar
..\spring-framework-4.2.4.RELEASE-dist\spring-framework-4.2.4.RELEASE\libsspring-expression-4.2.4.RELEASE.jar
..\spring相关依赖包\spring-framework-3.0.2.RELEASE-dependencies\org.apache.log4j\com.springsource.org.apache.log4j\1.2.15com.springsource.org.apache.log4j-1.2.15.jar
..\spring相关依赖包\spring-framework-3.0.2.RELEASE-dependencies\org.apache.commons\com.springsource.org.apache.commons.logging\1.1.1com.springsource.org.apache.commons.logging-1.1.1.jar
  • AOP的开发
..\spring相关依赖包\spring-framework-3.0.2.RELEASE-dependencies\org.aspectj\com.springsource.org.aspectj.weaver\1.6.8.RELEASEcom.springsource.org.aspectj.weaver-1.6.8.RELEASE.jar
..\spring-framework-4.2.4.RELEASE-dist\spring-framework-4.2.4.RELEASE\libsspring-aop-4.2.4.RELEASE.jar
..\spring-framework-4.2.4.RELEASE-dist\spring-framework-4.2.4.RELEASE\libsspring-aspects-4.2.4.RELEASE.jar
  • JDBC模板的开发
..\spring-framework-4.2.4.RELEASE-dist\spring-framework-4.2.4.RELEASE\libsspring-tx-4.2.4.RELEASE.jar
  • 事务管理:

    ..\spring-framework-4.2.4.RELEASE-dist\spring-framework-4.2.4.RELEASE\libs\spring-tx-4.2.4.RELEASE.jar

  • 整合web项目的开发

    ..\spring-framework-4.2.4.RELEASE-dist\spring-framework-4.2.4.RELEASE\libs\spring-web-4.2.4.RELEASE.jar

  • 整合单元测试的开发

    ..\spring-framework-4.2.4.RELEASE-dist\spring-framework-4.2.4.RELEASE\libs\spring-test-4.2.4.RELEASE.jar

  • 整合Hibernate的开发

    ..\spring-framework-4.2.4.RELEASE-dist\spring-framework-4.2.4.RELEASE\libs\spring-orm-4.2.4.RELEASE.jar

3. 引入配置文件

3.1 Struts2配置的文件

  • web.xml
<!-- 配置Struts2的核心过滤器 -->
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
  • 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">
<struts>
<!-- 配置Struts2的常量 -->
<constant name="struts.action.extension" value="action"/> </struts>

3.2 Hibernate的配置文件

  • 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>
<!-- 连接数据库的基本参数 -->
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql:///ssh1</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.connection.password">2626</property>
<!-- 配置Hibernate的方言 -->
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property> <!-- 可选配置================ -->
<!-- 打印SQL -->
<property name="hibernate.show_sql">true</property>
<!-- 格式化SQL -->
<property name="hibernate.format_sql">true</property>
<!-- 自动创建表 -->
<property name="hibernate.hbm2ddl.auto">update</property> <!-- 配置C3P0连接池 -->
<property name="connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>
<!--在连接池中可用的数据库连接的最少数目 -->
<property name="c3p0.min_size">5</property>
<!--在连接池中所有数据库连接的最大数目 -->
<property name="c3p0.max_size">20</property>
<!--设定数据库连接的过期时间,以秒为单位,
如果连接池中的某个数据库连接处于空闲状态的时间超过了timeout时间,就会从连接池中清除 -->
<property name="c3p0.timeout">120</property>
<!--每3000秒检查所有连接池中的空闲连接 以秒为单位-->
<property name="c3p0.idle_test_period">3000</property> <!-- 引入映射 --> </session-factory>
</hibernate-configuration>
  • 删除那个与线程绑定的session

  • 映射文件

3.3 Spring的配置文件

  • web.xml
<!-- Spring的核心监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener> <!-- 加载Spring的配置文件的路径的,默认加载的/WEB-INF/applicationContext.xml -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
  • 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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd"> </beans>
  • 日志记录:log4j.properties
### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.err
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n ### direct messages to file mylog.log ###
log4j.appender.file=org.apache.log4j.FileAppender
log4j.appender.file.File=c\:mylog.log
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n ### set log levels - for more verbose logging change 'info' to 'debug' ###
# error warn info debug trace
log4j.rootLogger= info, stdout

4. 创建包结构

SSH框架笔记01_SSH整合的两种方式-LMLPHP

5. 创建相关类,引入页面

SSH框架笔记01_SSH整合的两种方式-LMLPHP

6. Spring整合Struts2

6.1 Spring整合Struts2方式一:Action由Struts2自身创建

  • 编写ActionCustomerAction
package com.itzhouq.web.action;
import com.itzhouq.domain.Customer;
/**
* 客户管理的Action类
*/
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven; public class CustomerAction extends ActionSupport implements ModelDriven<Customer> {
// 模型驱动使用的对象
private Customer customer = new Customer(); @Override
public Customer getModel() {
return customer;
} /**
* 保存客户的方法:save
*/
public String save() {
System.out.println("Action的save方法执行了。。。。");
return NONE;
}
}
  • 配置Action:在struts.xml中配置
<!-- 配置Action -->
<package name="ssh1" extends="struts-default" namespace="/">
<action name="customer_*" class="com.itzhouq.web.action.CustomerAction" method="{1}"> </action>
</package>
  • Action中引入Service----传统方式
// 如果web层没有使用Struts2,获取业务层的类就必须如下进行编写:
WebApplicationContext applicationContext = WebApplicationContextUtils
.getWebApplicationContext(ServletActionContext.getServletContext());
CustomerService customerService = (CustomerService) applicationContext.getBean("customerService");
  • Action中引入Service----SpringStruts2整合

    • 引入Spring整合Struts2jarstruts2-spring-plugin-2.3.24.jar
  • 在插件包中有如下配置
<!--  Make the Spring object factory the automatic default -->
<constant name="struts.objectFactory" value="spring" />
  • 开启一个常量:在Struts2中只有开启这个常量就会引发下面常量生效,在Struts2核心包下default.properties

SSH框架笔记01_SSH整合的两种方式-LMLPHP

  • Service交给Spring管理,让Action按照名称自动注入Service。在Spring的配置文件中做如下配置。
<!-- 配置Service================ -->
<bean id="customerService" class="com.itzhouq.service.impl.CustomerServiceImpl"> </bean>
  • Action注入Servcie
package com.itzhouq.web.action;
import org.apache.struts2.ServletActionContext;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils; import com.itzhouq.domain.Customer;
import com.itzhouq.service.CustomerService;
/**
* 客户管理的Action类
*/
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven; public class CustomerAction extends ActionSupport implements ModelDriven<Customer> {
// 模型驱动使用的对象
private Customer customer = new Customer(); @Override
public Customer getModel() {
return customer;
} // 注入customerService
private CustomerService customerService; public void setCustomerService(CustomerService customerService) {
this.customerService = customerService;
} /**
* 保存客户的方法:save
*/
public String save() {
System.out.println("Action的save方法执行了。。。。");
// 如果web层没有使用Struts2,获取业务层的类就必须如下进行编写:
// WebApplicationContext applicationContext = WebApplicationContextUtils
// .getWebApplicationContext(ServletActionContext.getServletContext());
// CustomerService customerService = (CustomerService) applicationContext.getBean("customerService");
customerService.save(customer);
return NONE;
}
}

6.2 Spring整合Struts2方式二:Action交给Spring管理【推荐】

  • 引入Spring整合Struts2jarstruts2-spring-plugin-2.3.24.jar

  • Action交给Spring管理,在Spring的配置文件中配置

<!-- 配置Action============= -->
<bean id="customerAction" class="com.itzhouq.web.action.CustomerAction" scope="prototype" >
<!-- 手动注入Service -->
<property name="customerService" ref="customerService"/>
</bean>
  • struts.xml中配置,class属性变为Spring中的id的值
<!-- 配置Action -->
<package name="ssh1" extends="struts-default" namespace="/">
<action name="customer_*" class="customerAction" method="{1}"> </action>
</package>
  • 注意:

    • 需要配置Action为多例的
    • 需要手动注入Service

7. Service调用Dao

  • Dao交给Spring管理:applicationContext.xml中添加配置
<!-- 配置Dao -->
<bean id="customerDao" class="com.itzhouq.dao.impl.CustomerDaoImpl"> </bean>
  • Service层注入DaoCustomerServiceImpl中注入
public class CustomerServiceImpl implements CustomerService {
// 注入Dao
private CustomerDao customerDao; public void setCustomerDao(CustomerDao customerDao) {
this.customerDao = customerDao;
} @Override
public void save(Customer customer) {
System.out.println("Service中的save方法执行了。。。。。"); }
}
  • 注入配置
<!-- 配置Service================ -->
<bean id="customerService" class="com.itzhouq.service.impl.CustomerServiceImpl">
<property name="customerDao" ref="customerDao"></property>
</bean>

8. Spring整合Hibernate

8.1 创建数据库和表

Create database ssh1;
Use ssh1;
CREATE TABLE `cst_customer` (
`cust_id` bigint(32) NOT NULL AUTO_INCREMENT COMMENT '客户编号(主键)',
`cust_name` varchar(32) NOT NULL COMMENT '客户名称(公司名称)',
`cust_source` varchar(32) DEFAULT NULL COMMENT '客户信息来源',
`cust_industry` varchar(32) DEFAULT NULL COMMENT '客户所属行业',
`cust_level` varchar(32) DEFAULT NULL COMMENT '客户级别',
`cust_phone` varchar(64) DEFAULT NULL COMMENT '固定电话',
`cust_mobile` varchar(16) DEFAULT NULL COMMENT '移动电话',
PRIMARY KEY (`cust_id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;

8.2 编写实体和映射

public final class Customer {
private Long cust_id;
private String cust_name;
private String cust_source;
private String cust_industry;
private String cust_level;
private String cust_phone;
private String cust_mobile;
//set/get方法
}
  • com/itzhouq/domain/Customer.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>
<!-- 建立类与表的映射 -->
<class name="com.itzhouq.domain.Customer" table="cst_customer">
<!-- 建立类中的属性与表中的主键对应 -->
<id name="cust_id" column="cust_id" >
<!-- 主键生成策略 -->
<generator class="native"/>
</id> <!-- 建立类中的普通的属性和表的字段的对应 -->
<property name="cust_name" column="cust_name" />
<property name="cust_source" column="cust_source"/>
<property name="cust_industry" column="cust_industry"/>
<property name="cust_level" column="cust_level"/>
<property name="cust_phone" column="cust_phone"/>
<property name="cust_mobile" column="cust_mobile"/>
</class>
</hibernate-mapping>
  • hibernate.cfg.xml中引入映射文件
<!-- 引入映射 -->
<mapping resource="com/itzhouq/domain/Customer.hbm.xml"/>

8.3 Spring和Hibernate整合

  • Spring的配置文件application.xml中引入Hibernate的配置信息
<!-- Spring整合Hibernate -->
<!-- 引入Hibernate的配置的信息=============== -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<!-- 引入hibernate的配置文件 -->
<property name="configLocation" value="classpath:hibernate.cfg.xml"/>
</bean>
  • 在Spring和Hibernate整合后,Spring提供了一个Hibernate的模板类简化Hibernate开发
  • 改写DAO继承HibernateDaoSupport
public class CustomerDaoImpl extends HibernateDaoSupport implements CustomerDao {
@Override
public void save(Customer customer) {
System.out.println("Dao中的save方法执行了。。。。");
}
}
  • 配置的时候在DAO中直接注入SessionFactory:注入SessionFactory就会创建Hibernate模板。
<!-- 配置Dao -->
<bean id="customerDao" class="com.itzhouq.dao.impl.CustomerDaoImpl">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
  • DAO中使用Hibernate的模板完成保存操作
package com.itzhouq.dao.impl;
import org.springframework.orm.hibernate5.support.HibernateDaoSupport; /**
* 客户管理的dao层的实现类
* @author itzhouq
*
*/
import com.itzhouq.dao.CustomerDao;
import com.itzhouq.domain.Customer; public class CustomerDaoImpl extends HibernateDaoSupport implements CustomerDao { @Override
public void save(Customer customer) {
System.out.println("Dao中的save方法执行了。。。。");
this.getHibernateTemplate().save(customer);
}
}

8.4 配置Spring的事务管理器

  • 配置事务管理器,开启注解事务
<!-- 配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean> <!-- 开启注解事务 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
  • 在业务层使用注解
@Transactional
public class CustomerDaoImpl extends HibernateDaoSupport implements CustomerDao {

9. SSH整合方式二:将Hibernate的配置交给Spring管理

9.1 复制一个项目

  • 复制一个项目,并修改Properties ---- Web Project Settings-----Comtext Root的名称

9.2 将Hibernate的相关属性的配置转移到Spring

  • 数据库连接的配置:使用jdbc.properties
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql:///ssh1
jdbc.username=root
jdbc.password=2626
  • Spring中引入
<!-- 引入外部属性文件=============================== -->
<context:property-placeholder location="classpath:jdbc.properties"/>
  • C3P0连接池:在Spring
<!-- 配置C3P0连接池=============================== -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driverClass}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
  • 整合Hibernate的配置
<!-- Spring整合Hibernate -->
<!-- 引入Hibernate的配置的信息=============== -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<!-- 注入连接池 -->
<property name="dataSource" ref="dataSource"/>
<!-- 配置Hibernate的相关属性 -->
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
</props>
</property> <!-- 设置映射文件 -->
<property name="mappingResources">
<list>
<value>com/itzhouq/domain/Customer.hbm.xml</value>
</list>
</property>
</bean>

9.3 Spring的配置文件最终版

  • 删除Hibernate的配置文件

  • 最终Spring的配置文件如下:

<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd"> <!-- 引入外部属性文件=============================== -->
<context:property-placeholder location="classpath:jdbc.properties"/> <!-- 配置C3P0连接池=============================== -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driverClass}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean> <!-- Spring整合Hibernate -->
<!-- 引入Hibernate的配置的信息=============== -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<!-- 注入连接池 -->
<property name="dataSource" ref="dataSource"/>
<!-- 配置Hibernate的相关属性 -->
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
</props>
</property> <!-- 设置映射文件 -->
<property name="mappingResources">
<list>
<value>com/itzhouq/domain/Customer.hbm.xml</value>
</list>
</property>
</bean> <!-- 配置Dao -->
<bean id="customerDao" class="com.itzhouq.dao.impl.CustomerDaoImpl">
<property name="sessionFactory" ref="sessionFactory"/>
</bean> <!-- 配置Action============= -->
<bean id="customerAction" class="com.itzhouq.web.action.CustomerAction" scope="prototype" >
<!-- 手动注入Service -->
<property name="customerService" ref="customerService"/>
</bean> <!-- 配置Service================ -->
<bean id="customerService" class="com.itzhouq.service.impl.CustomerServiceImpl">
<property name="customerDao" ref="customerDao"></property>
</bean> <!-- 配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean> <!-- 开启注解事务 -->
<tx:annotation-driven transaction-manager="transactionManager"/> </beans>
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