SSH整合之注解式开发

梦里梦外; 2022-05-17 04:19 211阅读 0赞

**SSH项目结构图**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdGlhbnhpYW5nX2thb2xh_size_16_color_FFFFFF_t_70]

**Maven依赖**

<properties>
    	<org.springframework.version>4.2.0.RELEASE</org.springframework.version> 
    </properties>
    <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    
    <dependency>
    	<groupId>org.apache.struts</groupId>
    	<artifactId>struts2-core</artifactId>
    	<version>2.3.24</version>
    	<exclusions>
            <exclusion>
                <artifactId>javassist</artifactId>
                    <groupId>javassist</groupId>
            </exclusion>
        </exclusions>
    </dependency>
    
    
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-core</artifactId>
        <version>5.0.1.Final</version>
    </dependency>
    
    
    <dependency>
        <groupId>log4j</groupId>
        <artifactId>log4j</artifactId>
        <version>1.2.16</version>
    </dependency>
    	<dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-core</artifactId>
        <version>2.8.2</version>
    </dependency>
    	
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-nop</artifactId>
        <version>1.6.4</version>
    </dependency>
    
    
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.6</version>
    </dependency>
    
    
    <dependency>
        <groupId>com.mchange</groupId>
        <artifactId>c3p0</artifactId>
        <version>0.9.2.1</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-c3p0</artifactId>
        <version>5.0.1.Final</version>
    </dependency>
    <dependency>
        <groupId>com.mchange</groupId>
        <artifactId>mchange-commons-java</artifactId>
        <version>0.2.3.4</version>
    </dependency>
    
      
    
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-beans</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-context</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-context-support</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-core</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-expression</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-instrument</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-instrument-tomcat</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-jms</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-messaging</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-oxm</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-test</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-web</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-webmvc</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-webmvc-portlet</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-websocket</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
    
    
    
    <dependency>
        <groupId>aopalliance</groupId>
        <artifactId>aopalliance</artifactId>
        <version>1.0</version>
    </dependency>
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-aop</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>
    
    <dependency>
        <groupId>org.aspectj</groupId>
        <artifactId>aspectjweaver</artifactId>
        <version>1.6.8</version>
    </dependency>
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-aspects</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency> 
    
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-jdbc</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency> 
    
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-orm</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency> 
    
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-tx</artifactId>  
        <version>${org.springframework.version}</version>  
    </dependency>  
      
    
    <dependency>
       <groupId>org.apache.struts</groupId>
       <artifactId>struts2-spring-plugin</artifactId>
       <version>2.5.10</version>
    </dependency>
    </dependencies>

**web.xml**

<web-app>
    	<display-name>sshdemo</display-name>
    	
    	<context-param>
    	    <param-name>contextConfigLocation</param-name>
    	    <param-value>classpath:spring.xml</param-value>
    	</context-param>
    	
    	
    	<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>
    	
    	
    	<listener>
    	    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    	</listener>
    </web-app>

**spring.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="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
            <property name="driverClass" value="${jdbc.driver}"></property>
            <property name="jdbcUrl" value="${jdbc.url}"></property>
            <property name="user" value="${jdbc.user}"></property>
            <property name="password" value="${jdbc.password}"></property>
        </bean>
        
        <context:property-placeholder location="classpath:jdbc.properties"/>
    
        
        <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
            <property name="dataSource" ref="dataSource"/>
            
             <property name="packagesToScan" value="org.test.dto"></property>
            <property name="hibernateProperties">
                <props>
                    <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
                    <prop key="hibernate.hbm2ddl.auto">update</prop>
                    <prop key="hibernate.show_sql">true</prop>
                    <prop key="hibernate.formate_sql">true</prop>
                    <prop key="hibernate.current_session_context_class">org.springframework.orm.hibernate5.SpringSessionContext</prop>
                </props>
            </property>
        </bean>
    
        
        <context:component-scan base-package="org.test.*">
    
        </context:component-scan>
    
        
        <bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
            <property name="sessionFactory" ref="sessionFactory"></property>
        </bean>
        
        <tx:annotation-driven transaction-manager="transactionManager"/>
    
    </beans>

**jdbc.properties**

jdbc.driver=com.mysql.jdbc.Driver
    jdbc.url=jdbc:mysql://127.0.0.1:3306/sshdemo?useUnicode=true&characterEncoding=utf-8
    jdbc.username=root
    jdbc.password=123

**实例代码**

@Entity
    @Table(name = "t_user")
    public class User {
    	@Id
    	@GeneratedValue(strategy = GenerationType.IDENTITY)
    	private Long id;
    	private String nickname;
    	private Integer age;
    
    	public User() {
    	}
    
    	public User(String nickname, Integer age) {
    		this.nickname = nickname;
    		this.age = age;
    	}
    
    	public Long getId() {
    		return id;
    	}
    
    	public void setId(Long id) {
    		this.id = id;
    	}
    
    	public String getNickname() {
    		return nickname;
    	}
    
    	public void setNickname(String nickname) {
    		this.nickname = nickname;
    	}
    
    	public Integer getAge() {
    		return age;
    	}
    
    	public void setAge(Integer age) {
    		this.age = age;
    	}
    }
    
    /**
     * ModelDriven用户封装请求表单的数据
     */
    @ParentPackage("struts-default")
    @Namespace("/test")
    @Scope("prototype")
    public class UserAction extends ActionSupport implements ModelDriven<User>{
    	@Autowired
    	@Qualifier("myService")
    	private IUserService userService;
    	private User user;
    
    	public void setUserService(IUserService userService) {
    		this.userService = userService;
    	}
    	public User getUser() {
    		return user;
    	}
    	public void setUser(User user) {
    		this.user = user;
    	}
    
    	@Action(value = "register", results = @Result(location = "/success.jsp"))
    	public String register() {
    		userService.saveUser(user);
    		return "success";
    	}
    
    	public User getModel() {
    		if(user == null) {
    			user = new User();
    		}
    		return user;
    	}
    }
    
    public interface IUserService {
    	void saveUser(User user);
    }
    @Scope("prototype")
    @Component("myService")
    public class UserServiceImpl implements IUserService {
    	@Autowired
    	@Qualifier("myDao")
    	private IUserDao userDao;
    
    	public void setUserDao(IUserDao userDao) {
    		this.userDao = userDao;
    	}
    
    	public void saveUser(User user) {
    		userDao.insertUser(user);
    	}
    }
    
    public interface IUserDao {
    	void insertUser(User user);
    }
    @Scope("prototype")
    @Component("myDao")
    @Transactional
    public class UserDaoImpl implements IUserDao {
    	@Autowired
    	@Qualifier("sessionFactory")
    	private SessionFactory sessionFactory;
    
    	public void setSessionFactory(SessionFactory sessionFactory) {
    		this.sessionFactory = sessionFactory;
    	}
    
    	public void insertUser(User user) {
    		sessionFactory.getCurrentSession().save(user);
    	}
    }
    	
    //index.jsp
    <html>
    <body>
    	<form action="test/register.action" method="post">
    		姓名：<input type="text" name="nickname"/><br/>
    		年龄：<input type="text" name="age"/><br/>
    		<input type="submit" value="登录"/>
    	</form>
    </body>
    </html>

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdGlhbnhpYW5nX2thb2xh_size_16_color_FFFFFF_t_70]: /images/20220517/1504f5e8149945359200d36b797ebaae.png