【struts2+spring+hibernate】ssh框架整合开发

【struts2+spring+hibernate】ssh框架整合开发

标签： hibernatestrutsspring

2017-04-20 12:38 1555人阅读 评论(0) 收藏 举报

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spring（12）

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目录(?)[+]

1. SSH框架整合
   1. Struts2SpringHibernate导包
   2. Struts2和Spring的整合
   3. Struts2和Spring的整合两种方式
      1. 1 Struts2自己管理Action方式一
      2. 2 Action交给Spring管理方式二
      3. 3 Web层获得Service
   4. Spring整合Hibernate
      1. 1 零障碍整合一
      2. 2 没有Hibernate配置文件的形式二
   5. HibernateTemplate的API

SSH框架整合

1 Struts2+Spring+Hibernate导包

Struts2导入jar包:

  * struts2/apps/struts2-blank.war/WEB-INF/lib/*.jar

导入与spring整合的jar

* struts2/lib/struts2-spring-plugin-2.3.15.3.jar--- 整合Spring框架

* struts2/lib/struts2-json-plugin-2.3.15.3.jar--- 整合AJAX

* struts2/lib/struts2-convention-plugin-2.3.15.3.jar--- 使用Struts2注解开发.

 

Spring导入jar包:

Spring3.2 开发最基本jar包

spring-beans-3.2.0.RELEASE.jar

spring-context-3.2.0.RELEASE.jar

spring-core-3.2.0.RELEASE.jar

spring-expression-3.2.0.RELEASE.jar

com.springsource.org.apache.commons.logging-1.1.1.jar

com.springsource.org.apache.log4j-1.2.15.jar

AOP开发

spring-aop-3.2.0.RELEASE.jar

spring-aspects-3.2.0.RELEASE.jar

com.springsource.org.aopalliance-1.0.0.jar

com.springsource.org.aspectj.weaver-1.6.8.RELEASE.jar

Spring Jdbc开发

spring-jdbc-3.2.0.RELEASE.jar

spring-tx-3.2.0.RELEASE.jar

Spring事务管理

spring-tx-3.2.0.RELEASE.jar

Spring整合其他ORM框架

spring-orm-3.2.0.RELEASE.jar

Spring在web中使用

spring-web-3.2.0.RELEASE.jar

Spring整合Junit测试

spring-test-3.2.0.RELEASE.jar

 

hibernate的jar包导入:

* 核心包:hibernate3.jar

* lib/required/*.jar

* lib/jpa/*.jar

* 引入hibernate整合日志系统的jar包:

* 数据连接池:

* 数据库驱动:

 

 二级缓存:(可选的.)

* backport-util-concurrent.jar

* commons-logging.jar

* ehcache-1.5.0.jar

2 配置文件

2.1 web.xml

<filter>

  <filter-name>struts2filter-name>

  <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilterfilter-class>

filter>

<filter-mapping>

  <filter-name>struts2filter-name>

  <url-pattern>/*url-pattern>

filter-mapping>
<p>p><p><listener>p><p>p><p><listener-class>org.springframework.web.context.ContextLoaderListenerlistener-class>p><p>listener>p><p> p><p>p><p><context-param>p><p><param-name>contextConfigLocationparam-name>p><p><param-value>classpath:applicationContext.xmlparam-value>p><p>context-param>p>

  struts2

  org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter





  struts2

  /*

org.springframework.web.context.ContextLoaderListener

 

contextConfigLocation

classpath:applicationContext.xml

2.2 struts.xml

<struts>



    <constant name="struts.devMode" value="true" />



    <package name="default" namespace="/" extends="struts-default">



    package>



struts>

2.3 加入配置文件

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">


    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
        <property name="configLocation" value="classpath:hibernate.cfg.xml"/>
    bean>


    <bean id="bookAction" class="com.sihai.action.BookAction" scope="prototype">
        <property name="bookService" ref="bookService"/>
    bean>


    <bean id="bookService" class="com.sihai.service.BookService">
        <property name="bookDao" ref="bookDao"/>
    bean>


    <bean id="bookDao" class="com.sihai.dao.BookDao">
        <property name="sessionFactory" ref="sessionFactory"/>
    bean>


    <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory"/>
    bean>


    <tx:annotation-driven transaction-manager="transactionManager"/>
beans>

Log4j.properties

### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
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' ###

log4j.rootLogger=info, stdout

### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
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' ###

log4j.rootLogger=info, stdout

 

 Hibernate的配置:

 hibernate.cfg.xml

xml version="1.0" encoding="UTF-8"?>

    "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
    "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
<session-factory>


    <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">rootproperty>
    <property name="hibernate.connection.password">123property>


    <property name="hibernate.dialect">
        org.hibernate.dialect.MySQLDialect
    property>



    <property name="hibernate.show_sql">trueproperty>

    <property name="hibernate.format_sql">trueproperty>

    <property name="hibernate.connection.autocommit">falseproperty>

    <property name="hibernate.hbm2ddl.auto">updateproperty>



    <property name="connection.provider_class">
        org.hibernate.connection.C3P0ConnectionProvider
    property>


    <property name="c3p0.min_size">5property>

    <property name="c3p0.max_size">20property>

    <property name="c3p0.idle_test_period">3000property>


    <mapping resource="cn/itcast/vo/Book.hbm.xml" />

session-factory>
hibernate-configuration>

	
	
	
		com.mysql.jdbc.Driver
	
	
		jdbc:mysql:///ssh1
	
	root
	123
	
	
	
		org.hibernate.dialect.MySQLDialect
	

	
	
	true
	
	true

	false
	
	update

	
	
	
		org.hibernate.connection.C3P0ConnectionProvider
	

	
	5
	
	20
	
	120
	
	3000

	
	

 映射:

 格式:类名.hbm.xml

xml version="1.0" encoding="UTF-8"?>

    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
    <class name="com.sihai.vo.Book" table="book">
        <id name="id">
            <generator class="native"/>
        id>
        <property name="name"/>
        <property name="price"/>
    class>
hibernate-mapping>

3 Struts2和Spring的整合

3.1.新建包结构:

com.sihia.action

com.sihia.service

com.sihia.dao

com.sihia.vo

 

3.2创建实体类:

 Book

package com.sihia.vo;

public class Book {
    private Integer id;
    private String name;
    private Double price;
    public Integer getId() {
        return id;
    }
    public void setId(Integer id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public Double getPrice() {
        return price;
    }
    public void setPrice(Double price) {
        this.price = price;
    }

}

package com.sihia.vo;

public class Book {
	private Integer id;
	private String name;
	private Double price;
	public Integer getId() {
		return id;
	}
	public void setId(Integer id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public Double getPrice() {
		return price;
	}
	public void setPrice(Double price) {
		this.price = price;
	}
	
}

 

3.3.新建一个jsp页面:

 addBook.jsp

     

  <s:form action="book_add" namespace="/" method="post" theme="simple">

图书名称:<s:textfield name="name"/><br/>

图书价格:<s:textfield name="price"/><br/>

<s:submit value="添加图书"/>

s:form>

  

图书名称:


图书价格:

 

3.4.编写Action:

public class BookAction extends ActionSupport implements ModelDriven{

// 模型驱动类

private Book book = new Book();

public Book getModel() {

return book;

}



// 处理请求的方法:

public String add(){

System.out.println("web层的添加执行了...");

return NONE;

}

}

public class BookAction extends ActionSupport implements ModelDriven{

// 模型驱动类

private Book book = new Book();

public Book getModel() {

return book;

}

 

// 处理请求的方法:

public String add(){

System.out.println("web层的添加执行了...");

return NONE;

}

}

 

3.5.配置struts.xml

xml version="1.0" encoding="UTF-8" ?>

    "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
    "http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>

    <constant name="struts.devMode" value="true" />

    <package name="default" namespace="/" extends="struts-default">
        <action name="book_*" class="bookAction" method="{1}">

        action>
    package>

struts>

 

4 Struts2和Spring的整合两种方式

4.1 Struts2自己管理Action:(方式一)

<action name="book_*" class="com.sihia.action.BookAction" method="{1}">

4.2 Action交给Spring管理:(方式二)

可以在标签上通过一个伪类名方式进行配置:

<action name="book_*" class="bookAction" method="{1}">action>

在spring的配置文件中:

<bean id="bookAction" class="com.sihai.action.BookAction">bean>

注意:Action交给Spring管理一定要配置scope=”prototype”

 

4.3 Web层获得Service:

传统方式:

* 获得WebApplicationContext对象.

* 通过WebAppolicationContext中getBean(“”);

 

实际开发中:

* 引入了struts2-spring-plugin-2.3.15.3.jar

* 有一个配置文件 : struts-plugin.xml

开启常量 :

引发另一个常量的执行:(Spring的工厂类按照名称自动注入)

struts.objectFactory.spring.autoWire = name

 

5 Spring整合Hibernate:

Spring整合Hibernate框架的时候有两种方式:

5.1 零障碍整合:(一)

可以在Spring中引入Hibernate的配置文件.

1.通过LocalSessionFactoryBean在spring中直接引用hibernate配置文件

<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

<property name="configLocation" value="classpath:hibernate.cfg.xml"/>

bean>

 

2.Spring提供了Hibernate的模板.只需要将HibernateTemplate模板注入给DAO.

DAO继承HibernateDaoSupport.

<bean id="bookDao" class="com.sihai.dao.BookDao">

<property name="sessionFactory" ref="sessionFactory"/>

bean>

 

改写DAO:继承HibernateDaoSupport类.

public class BookDao extends HibernateDaoSupport{



public void save(Book book) {

System.out.println("DAO层的保存图书...");

this.getHibernateTemplate().save(book);

}

}

public class BookDao extends HibernateDaoSupport{

 

public void save(Book book) {

System.out.println("DAO层的保存图书...");

this.getHibernateTemplate().save(book);

}

}

3.创建一个映射文件 :

<hibernate-mapping>

<class name="com.sihai.vo.Book" table="book">

<id name="id">

<generator class="native"/>

id>

<property name="name"/>

<property name="price"/>

class>

hibernate-mapping>

 

4.别忘记事务管理:

事务管理器:

<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">

<property name="sessionFactory" ref="sessionFactory"/>

bean>

 

5.注解管理事务:

<tx:annotation-driven transaction-manager="transactionManager"/>

 

6.在业务层类上添加一个注解:

@Transactional

5.2 没有Hibernate配置文件的形式(二)

不需要Hibernate配置文件的方式,将Hibernate配置文件的信息直接配置到Spring中.

Hibernate配置文件中的信息 :

* 连接数据库基本参数:

* Hibernate常用属性:

* 连接池:

* 映射:

 

把Hibernate配置文件整合Spring中:

连接池:

<context:property-placeholder location="classpath:jdbc.properties"/>



<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.user}"/>

<property name="password" value="${jdbc.password}"/>

bean>

Hibernate常用属性:

<property name="hibernateProperties">

<props>

<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialectprop>

<prop key="hibernate.show_sql">trueprop>

<prop key="hibernate.format_sql">trueprop>

<prop key="hibernate.hbm2ddl.auto">updateprop>

<prop key="hibernate.connection.autocommit">falseprop>

props>

property>

org.hibernate.dialect.MySQLDialect

true

true

update

false

 

映射

classpath:cn/itcast/vo



 
     
     
    6 HibernateTemplate的API: 
     Serializable save(Object entity) :保存数据 
     void update(Object entity) :修改数据 
     void delete(Object entity) :删除数据 
      T get(Class entityClass, Serializable id) :根据ID进行检索.立即检索 
      T load(Class entityClass, Serializable id) :根据ID进行检索.延迟检索. 
     List find(String queryString, Object... values) :支持HQL查询.直接返回List集合. 
     List findByCriteria(DetachedCriteria criteria)  :离线条件查询. 
     List findByNamedQuery(String queryName, Object... values):命名查询的方式.

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