• SSH 框架的搭建


    SSH 框架的搭建

    Structs1+spring+Hibernate

    Structs  相当于mvc设计模式中V.C,即jsp页面和Servlet;

    spring 管理业务逻辑,即Service;

    Hibernate 管理DAO,持久层;

    首先讲一下Hibernate和spring的整合:

      1.加入相关的jar:mysql的 mysql-connector-java-5.1.13-bin.jar;

               Hibernate的就不一一列出的(上一篇文章有提到);特别注意的是要导slf4j相关的底层实现包 slf4j-nop-1.5.8.jar

               spring的相关jar(spring\reqlib底下所有,spring\spring-framework-3.1.0.RC1-with-docs\spring-framework-3.1.0.RC1\dist底下所有);

      2.提供spring的配置文件。applicationContext.xml;

    复制代码
    <?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"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
             http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
             http://www.springframework.org/schema/context
             http://www.springframework.org/schema/context/spring-context-3.0.xsd
             http://www.springframework.org/schema/aop
             http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
    
        <context:annotation-config />
        <aop:aspectj-autoproxy></aop:aspectj-autoproxy>
        <context:component-scan base-package="com"></context:component-scan>
    
    </beans>
    复制代码

      3.配置数据库连接池。

    复制代码
    <?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"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
             http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
             http://www.springframework.org/schema/context
             http://www.springframework.org/schema/context/spring-context-3.0.xsd
             http://www.springframework.org/schema/aop
             http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
    
        <context:annotation-config />
        <aop:aspectj-autoproxy></aop:aspectj-autoproxy>
        <context:component-scan base-package="com"></context:component-scan>
    
        <bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource"
            destroy-method="close">
            <property name="driverClassName" value="com.mysql.jdbc.Driver" />
            <property name="url" value="jdbc:mysql://127.0.0.1:3306/mysql" />
            <property name="username" value="root" />
            <property name="password" value="root" />
        </bean>
    </beans>
    复制代码

      此时,写个测试类,测试下。(前提是数据库已存在表格t_user);

    复制代码
    package Test;
    
    
    
    import java.sql.Connection;
    import java.sql.SQLException;
    
    
    import org.apache.commons.dbcp.BasicDataSource;
    import org.springframework.context.ApplicationContext;
    import org.springframework.context.support.ClassPathXmlApplicationContext;
    
    
    
    public class T {
    
        public static void main(String[] args) {
            ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
            BasicDataSource dataSource = ac.getBean("myDataSource",BasicDataSource.class);
            Connection conn;
            try {
                conn = dataSource.getConnection();
                conn.createStatement().executeUpdate("insert into t_user values(null,'arron','1234')");
            } catch (SQLException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            
        }
    
    }
    复制代码

      4.配置sessionFactory;

    复制代码
    <?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"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
             http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
             http://www.springframework.org/schema/context
             http://www.springframework.org/schema/context/spring-context-3.0.xsd
             http://www.springframework.org/schema/aop
             http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
    
        <context:annotation-config />
        <aop:aspectj-autoproxy></aop:aspectj-autoproxy>
        <context:component-scan base-package="com"></context:component-scan>
    <!--配置数据库连接池-->
        <bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource"
            destroy-method="close">
            <property name="driverClassName" value="com.mysql.jdbc.Driver" />
            <property name="url" value="jdbc:mysql://127.0.0.1:3306/mysql" />
            <property name="username" value="root" />
            <property name="password" value="root" />
        </bean>
    <!--配置sessionFactory-->    
        <bean id="mySessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
        <property name="dataSource" ref="myDataSource"/>
        <property name="packagesToScan" value="com.kebin.pojo">
        </property>
        <property name="hibernateProperties">
          <props>
              <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
                    <prop key="hibernate.show_sql">true</prop>
                    <prop key="hibernate.format_sql">true</prop>
                    <prop key="hibernate.hbm2ddl.auto">update</prop>
                    <prop key="hibernate.current_session_context_class">thread</prop>
          </props>
        </property>
      </bean>
        
    </beans>
    复制代码

      配置完成了,写了User pojo类,和测试类,测试下。

    User.java
    复制代码
    package com.kebin.pojo;
    
    import javax.persistence.Entity;
    import javax.persistence.GeneratedValue;
    import javax.persistence.Id;
    import javax.persistence.Table;
    
    @Entity
    @Table(name="t_user")
    public class User {
        private int id;
        private String name;
        private String password;
        
        @Id
        @GeneratedValue
        public int getId() {
            return id;
        }
        public void setId(int id) {
            this.id = id;
        }
        public String getName() {
            return name;
        }
        public void setName(String name) {
            this.name = name;
        }
        public String getPassword() {
            return password;
        }
        public void setPassword(String password) {
            this.password = password;
        }
    }
    复制代码
    T.java
    复制代码
    package Test;
    
    import org.hibernate.Session;
    import org.hibernate.SessionFactory;
    import org.hibernate.Transaction;
    import org.springframework.context.ApplicationContext;
    import org.springframework.context.support.ClassPathXmlApplicationContext;
    
    import com.kebin.pojo.User;
    
    public class T {
    
        public static void main(String[] args) {
            ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
            SessionFactory sf = ac.getBean("mySessionFactory",SessionFactory.class);
            Session session = sf.getCurrentSession();
            Transaction ts = session.beginTransaction();
            ts.begin();
            User user = new User();
            user.setName("admin");
            user.setPassword("123456");
            session.save(user);
            ts.commit();
    
        }
    
    }
    复制代码

       接着往下写业务逻辑层。

    UserDao.java
    复制代码
    package com.kebin.dao;
    
    import com.kebin.pojo.User;
    
    public interface UserDao {
        public void save(User user);
    }
    复制代码
    UserDaoImpl.java
    复制代码
    package com.kebin.dao;
    
    import org.springframework.stereotype.Component;
    
    import com.kebin.pojo.User;
    @Component("userDao")
    public class UserDaoImpl implements UserDao {
    
        public void save(User user) {
            // TODO Auto-generated method stub
    
        }
    
    }
    复制代码
    UserService.java
    复制代码
    package com.kebin.service;
    
    import com.kebin.pojo.User;
    
    public interface UserService {
        public void add(User user);
    }
    复制代码

      书写一个DaoSupport类继承自HibernateTemplate;

    复制代码
    package com.kebin.dao;
    
    import javax.annotation.Resource;
    
    import org.hibernate.SessionFactory;
    import org.springframework.orm.hibernate3.HibernateTemplate;
    import org.springframework.stereotype.Component;
    
    @Component
    public class DaoSupport extends HibernateTemplate {
        private SessionFactory sessionFactory;
        @Resource(name="mySessionFactory")
        public void setSessionFactory(SessionFactory sessionFactory) {
            super.setSessionFactory(sessionFactory);
        }
        
    }
    复制代码
    UserServiceImpl
    复制代码
    package com.kebin.service.impl;
    
    import javax.annotation.Resource;
    
    import org.springframework.stereotype.Service;
    
    import com.kebin.dao.DaoSupport;
    import com.kebin.dao.UserDao;
    import com.kebin.pojo.User;
    import com.kebin.service.UserService;
    @Service("userService")
    public class UserServiceImpl extends DaoSupport implements UserService {
        private UserDao userDao;
        @Resource(name="userDao")
        public void setUserDao(UserDao userDao) {
            this.userDao = userDao;
        }
    
        public void add(User user) {
            this.save(user);
    
        }
    
    }
    复制代码

      最后写个测试类T.java,进行测试下。这样hibernate和spring就配置好了。

    复制代码
    package Test;
    
    import org.springframework.context.ApplicationContext;
    import org.springframework.context.support.ClassPathXmlApplicationContext;
    
    import com.kebin.pojo.User;
    import com.kebin.service.UserService;
    
    public class T {
    
        public static void main(String[] args) {
            ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
            UserService userService = ac.getBean("userService",UserService.class);
            User user = new User();
            user.setName("kebin");
            user.setPassword("1111111");
            userService.add(user);
    
        }
    
    }
    复制代码

    接下来,讲一下Spring 和 Struts 的整合

    我这里用的是Struts1,可能很多公司都已经不用了的。

      1.导入Struts的包,struts1\struts-1.3.10-all\struts-1.3.10\lib底下所有的包。

       (有两个包和hibernate重复了,删除就可以了。commons-logging.jar 和 antlr-2.7.6.jar 留下版本高的);

      2.拷入struts-config.xml配置文件;

        (将struts-config.xml和applicationContext.xml都放在WEB-INF的底下)

      3.书写UserAction.java和index.jsp页面。代码我直接贴出;

      

     
     
    UserAction.java
    复制代码
    package com.kebin.action;
    
    import javax.annotation.Resource;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    
    import org.apache.struts.action.ActionForm;
    import org.apache.struts.action.ActionForward;
    import org.apache.struts.action.ActionMapping;
    import org.apache.struts.action.DynaActionForm;
    import org.apache.struts.actions.DispatchAction;
    import org.springframework.beans.factory.annotation.Qualifier;
    import org.springframework.stereotype.Controller;
    
    import com.kebin.pojo.User;
    import com.kebin.service.UserService;
    
    @Controller
    @Qualifier("/user")
    public class UserAction extends DispatchAction {
        private UserService userService;
    
        @Resource(name = "userService")
        public void setUserService(UserService userService) {
            this.userService = userService;
        }
    
        public ActionForward execute(ActionMapping mapping, ActionForm form,
                HttpServletRequest request, HttpServletResponse response)
                throws Exception {
    
            DynaActionForm df = (DynaActionForm) form;
            // 配置了注解,直接将userService注入,这段读取的代码就不用了;
            // ApplicationContext ac = WebApplicationContextUtils.getRequiredWebApplicationContext(this.getServlet().getServletContext());
            // UserService userService = ac.getBean("userService",UserService.class);
            User user = new User();
            user.setName(df.getString("username"));
            user.setPassword(df.getString("password"));
            userService.add(user);
            return mapping.findForward("success");
        }
    
    }
    复制代码
    index.jsp
    复制代码
    <%@ 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>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
    </head>
    <body>
        <form action="user.do?command=login" method="post">
            username:<input type="text" name="username"/><br>
            password:<input type="text" name="password"/><br>
            <input type="submit" value="tijiao">
        </form>
    </body>
    </html>
    复制代码

      4.配置web.xml;(注意中文乱码的配置);

    复制代码
    <?xml version="1.0" encoding="UTF-8"?>
    <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
        http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    
        <servlet>
            <servlet-name>action</servlet-name>
            <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
            <init-param>
                <param-name>config</param-name>
                <param-value>/WEB-INF/struts-config.xml</param-value>
            </init-param>
            <load-on-startup>2</load-on-startup>
        </servlet>
        
        <!-- 配置spring的监听器,用以实现依赖注射 -->
        <listener>
            <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
        </listener>
        <!-- 配置spring的配置文件的读取路径 -->
        <context-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>/WEB-INF/applicationContext.xml</param-value>
        </context-param>
    
        <!-- 借用spring 实现对中文乱码的修改 -->
        <filter>
            <filter-name>Set Character Encoding</filter-name>
            <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
            <init-param>
                <param-name>encoding</param-name>
                <param-value>UTF-8</param-value>
            </init-param>
        </filter>
        <filter-mapping>
            <filter-name>Set Character Encoding</filter-name>
            <url-pattern>*.do</url-pattern>
        </filter-mapping>
        <!-- action 的配置     -->
        <servlet-mapping>
            <servlet-name>action</servlet-name>
            <url-pattern>*.do</url-pattern>
        </servlet-mapping>
        <welcome-file-list>
            <welcome-file>index.jsp</welcome-file>
        </welcome-file-list>
    </web-app>
    复制代码

      5.配置applicationContext.xml;(这里只要加个bean标签,来代替action-mappings里面的action中type="");

    复制代码
    <?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"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
             http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
             http://www.springframework.org/schema/context
             http://www.springframework.org/schema/context/spring-context-3.0.xsd
             http://www.springframework.org/schema/aop
             http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
    
        <context:annotation-config />
        <aop:aspectj-autoproxy></aop:aspectj-autoproxy>
        <context:component-scan base-package="com"></context:component-scan>
        <!--配置数据库连接池 -->
        <bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource"
            destroy-method="close">
            <property name="driverClassName" value="com.mysql.jdbc.Driver" />
            <property name="url" value="jdbc:mysql://127.0.0.1:3306/mysql" />
            <property name="username" value="root" />
            <property name="password" value="root" />
        </bean>
        <!--配置sessionFactory -->
        <bean id="mySessionFactory"
            class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
            <property name="dataSource" ref="myDataSource" />
            <property name="packagesToScan" value="com.kebin.pojo">
            </property>
            <property name="hibernateProperties">
                <props>
                    <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
                    <prop key="hibernate.show_sql">true</prop>
                    <prop key="hibernate.format_sql">true</prop>
                    <prop key="hibernate.hbm2ddl.auto">update</prop>
                    <prop key="hibernate.current_session_context_class">thread</prop>
                </props>
            </property>
        </bean>
        <!-- 用注解来代替struts-config.xml配置文件中action的type="com.kebin.action.UserAction" -->
        <bean name="/user" class="com.kebin.action.UserAction"></bean>
    </beans>
    复制代码

      6.配置struts-config.xml;

    复制代码
    <?xml version="1.0" encoding="UTF-8" ?>
    
    
    <!DOCTYPE struts-config PUBLIC
              "-//Apache Software Foundation//DTD Struts Configuration 1.3//EN"
              "http://struts.apache.org/dtds/struts-config_1_3.dtd">
    
    <struts-config>
        <form-beans>
            <form-bean name="login" type="org.apache.struts.action.DynaActionForm">
                <form-property name="username" type="java.lang.String"></form-property>
                <form-property name="password" type="java.lang.String"></form-property>
            </form-bean>
        </form-beans>
    
        <action-mappings>
            <action path="/user" name="login"
                parameter="command">
                <forward name="success" path="/ok.jsp"></forward>
            </action>
        </action-mappings>
        
    <!-- 用注解来代替action-mappings配置中action标签对里的type="com.kebin.action.UserAction(此处)" -->    
        <controller processorClass="org.springframework.web.struts.DelegatingRequestProcessor">
        </controller>
        <plug-in className="org.springframework.web.struts.ContextLoaderPlugIn">
            <set-property property="contextConfigLocation" value="/WEB-INF/applicationContext.xml" />
        </plug-in>
    </struts-config>
    复制代码

    以上给出简单列子的配置,基本的配置已经完成。谢谢各位大牛给出宝贵的评价。

    Face your past without regret. Handle your present with confidence.Prepare for future without fear. keep the faith and drop the fear. 面对过去无怨无悔,把握现在充满信心,备战未来无所畏惧。保持信念,克服恐惧!一点一滴的积累,一点一滴的沉淀,学技术需要不断的积淀!
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  • 原文地址:https://www.cnblogs.com/200911/p/2696145.html
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