Maven项目整合SSH框架

---------------------siwuxie095

Maven 项目整合 SSH 框架

创建
Maven 项目 maven-ssh，项目目录结构如下：

Maven项目整合SSH框架

将
src/main/java 展开如下：

Maven项目整合SSH框架

具体实现如下：

1、在
Maven 项目的核心配置文件中进行配置

pom.xml：

<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/xsd/maven-4.0.0.xsd">

<groupId>com.siwuxie095.maven</groupId>

<artifactId>maven-ssh</artifactId>

<version>0.0.1-SNAPSHOT</version>

<struts.version>2.3.33</struts.version>

<spring.version>4.3.7.RELEASE</spring.version>

<hibernate.version>5.0.12.Final</hibernate.version>

</properties>

<groupId>org.apache.struts</groupId>

<artifactId>struts2-core</artifactId>

<version>${struts.version}</version>

<!--

由于 Struts2 和 Hibernate 中都有 javassist，

为避免冲突，留下高版本，排除低版本即可

这里，Struts2 中的 javassist 版本更低

-->

<groupId>javassist</groupId>

<artifactId>javassist</artifactId>

</exclusion>

</exclusions>

</dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-context</artifactId>

<version>${spring.version}</version>

</dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-aspects</artifactId>

<version>${spring.version}</version>

</dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-test</artifactId>

<version>${spring.version}</version>

</dependency>

<groupId>org.hibernate</groupId>

<artifactId>hibernate-core</artifactId>

<version>${hibernate.version}</version>

</dependency>

<groupId>org.apache.struts</groupId>

<artifactId>struts2-spring-plugin</artifactId>

<version>${struts.version}</version>

</dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-web</artifactId>

<version>${spring.version}</version>

</dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-orm</artifactId>

<version>${spring.version}</version>

</dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

<scope>runtime</scope>

</dependency>

</dependency>

</dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

</dependency>

<groupId>javax.servlet</groupId>

</dependency>

<groupId>javax.servlet</groupId>

<artifactId>servlet-api</artifactId>

<scope>provided</scope>

</dependency>

<groupId>javax.servlet</groupId>

<scope>provided</scope>

</dependency>

</dependencies>

</project>

2、在
src/main/webapp 目录下创建 JSP 页面

add.jsp：

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

</head>

<body>

用户名：<input
type="text"
name="username"
/>

地址：<input
type="text"
name="address"
/>

</form>

</body>

</html>

succ.jsp：

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

</head>

<body>

</body>

</html>

3、在
src/main/java 目录下创建实体类，同时创建其

Hibernate 映射配置文件

User.java：

package com.siwuxie095.entity;

public class User {

Integer uid;

String username;

String address;

public Integer getUid() {

return uid;

}

public
void setUid(Integer uid) {

this.uid = uid;

}

public String getUsername() {

return username;

}

public
void setUsername(String username) {

this.username = username;

}

public String getAddress() {

return address;

}

public
void setAddress(String address) {

this.address = address;

}

@Override

public String toString() {

return
"User [uid=" + uid + ", username=" + username +

", address=" + address + "]";

}

User.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>

</id>

</class>

</hibernate-mapping>

4、在
src/main/resources 目录下创建 Hibernate 核心配置文件

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>

<property
name="hibernate.hbm2ddl.auto">update</property>

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

<!--

原来的配置：

<property name="hibernate.current_session_context_class">thread</property>

在 SSH 框架整合中会报错，要么将这个配置删了，要么改成如下配置

参考链接：http://blog.****.net/maoyuanming0806/article/details/61417995

-->

org.springframework.orm.hibernate5.SpringSessionContext

</property>

<!--

如果没有如下配置，控制台将有如下异常信息：

Disabling contextual LOB creation as createClob() method threw error :

java.lang.reflect.InvocationTargetException

* 配置 *

<property name="hibernate.temp.use_jdbc_metadata_defaults">false</property>

其实该配置加不加都无所谓，并不影响什么

参考链接：http://blog.****.net/jiong_long/article/details/51340685

-->

<property
name="hibernate.temp.use_jdbc_metadata_defaults">false</property>

</session-factory>

</hibernate-configuration>

5、在
src/main/java 目录下创建 Action 类

UserAction.java：

package com.siwuxie095.action;

import com.opensymphony.xwork2.ActionSupport;

import com.opensymphony.xwork2.ModelDriven;

import com.siwuxie095.entity.User;

import com.siwuxie095.service.UserService;

public class UserAction extends ActionSupport implements ModelDriven<User> {

private User user=new User();

@Override

public User getModel() {

return user;

}

private UserService userService;

public
void setUserService(UserService userService) {

this.userService = userService;

}

public String add() {

userService.add(user);

return
"add";

}

6、在
src/main/java 目录下创建 Service 类

UserService.java：

package com.siwuxie095.service;

import org.springframework.transaction.annotation.Transactional;

import com.siwuxie095.dao.UserDao;

import com.siwuxie095.entity.User;

@Transactional

public class UserService {

private UserDao userDao;

public
void setUserDao(UserDao userDao) {

this.userDao = userDao;

}

public
void add(User user) {

userDao.add(user);

}

7、在
src/main/java 目录下创建 DAO 接口及其实现类

UserDao.java：

package com.siwuxie095.dao;

import com.siwuxie095.entity.User;

public interface UserDao {

void add(User user);

}

UserDaoImpl.java：

package com.siwuxie095.dao.impl;

import org.springframework.orm.hibernate5.support.HibernateDaoSupport;

import com.siwuxie095.dao.UserDao;

import com.siwuxie095.entity.User;

/**

* 让 DAO 接口实现类继承 HibernateDaoSupport 类，直接获取 HibernateTemplate

public class UserDaoImpl extends HibernateDaoSupport implements UserDao {

@Override

public
void add(User user) {

// 直接通过 this 获取 HibernateTemplate，调用 save() 方法保存

this.getHibernateTemplate().save(user);

* 此时，也可以获取 SessionFactory

* 法一：this.getSessionFactory()

* 法二：this.getHibernateTemplate().getSessionFactory()

* 此时，也可以获取 Session

* 法一：this.getSessionFactory().getCurrentSession()

* 法二：...

}

8、在
src/main/resources 目录下创建 Struts2 核心配置文件

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">

</action>

</package>

</struts>

9、在
src/main/resources 目录下创建 Spring 核心配置文件

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: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/beans

http://www.springframework.org/schema/beans/spring-beans.xsd

http://www.springframework.org/schema/aop

http://www.springframework.org/schema/aop/spring-aop.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context.xsd

http://www.springframework.org/schema/tx

http://www.springframework.org/schema/tx/spring-tx.xsd">

<!--

jdbc:mysql:///maven_db 是 jdbc:mysql://localhost:3306/maven_db 的简写

-->

</bean>

<bean
id="sessionFactory"

class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">

<!--

因为在 Hibernate 核心配置文件中，没有数据库配置，

而是在 Spring 的核心配置文件中进行配置，所以需要

注入 dataSource

LocalSessionFactoryBean 中有相关属性，所以可以

注入

-->

</bean>

<!--

注意：由于 Action 对象是多实例的，所以服务器启动时，

不会被创建，只有在访问时，才会被创建

-->

</bean>

</bean>

</bean>

<bean
id="transactionManager"

class="org.springframework.orm.hibernate5.HibernateTransactionManager">

</bean>

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

</beans>

10、在部署描述文件中进行配置

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_2_5.xsd"
version="2.5">

<display-name>maven-ssh</display-name>

<welcome-file-list>

<welcome-file>index.html</welcome-file>

<welcome-file>index.htm</welcome-file>

<welcome-file>index.jsp</welcome-file>

<welcome-file>default.html</welcome-file>

<welcome-file>default.htm</welcome-file>

<welcome-file>default.jsp</welcome-file>

</welcome-file-list>

<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>

<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

</listener>

<context-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath:applicationContext.xml</param-value>

</context-param>

</web-app>

11、访问路径

http://localhost:8080/maven-ssh/add.jsp

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Maven项目整合SSH框架

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