SSH整合(Spring+SpringMVC+Hibernate)注解版

本文介绍了SSH(Spring+SpringMVC+Hibernate)整合的注解版实现过程,包括创建Maven项目,导入相关依赖,设计架构,使用注解简化实体类配置,设置DAO层的配置文件如jdbc.properties和log4j.properties,以及创建页面和web.xml的配置。

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SSH整合 

1.首先我们创建一个Maven项目


然后 我们导入jar包 因为 是maven所以是节点

<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/maven-v4_0_0.xsd">
    <parent>
        <artifactId>Y2_SSH</artifactId>
        <groupId>cn.happy</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>SSH_MVC</artifactId>
    <packaging>war</packaging>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>

        <spring.version>4.3.2.RELEASE</spring.version>
        <hibernate.version>5.2.2.Final</hibernate.version>
    </properties>
    <name>SSH_MVC Maven Webapp</name>
    <url>http://maven.apache.org</url>
    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.3</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>com.oracle</groupId>
            <artifactId>ojdbc6</artifactId>
            <version>11.2.0.1.0</version>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>${hibernate.version}</version>
        </dependency>

        <!--jta的jar包-->
        <dependency>
            <groupId>javax.transaction</groupId>
            <artifactId>jta</artifactId>
            <version>1.1</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.39</version>
        </dependency>

        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.9</version>
        </dependency>


        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-dbcp2</artifactId>
            <version>2.1.1</version>
        </dependency>

        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>





    </dependencies>
    <build>
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.xml</include>
                </includes>
            </resource>
        </resources>
    </build>
</project>


2.然后我们看一下架构:



3.我们先写实体类 我们 用的 是注解版的  所以  不需要小配置

package cn.happy.beans;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;

/**
 * Created by linlin on 2017/10/13.
 */
@Entity
public class Dept {
    @Id
    @GeneratedValue
    private Integer deptno;
    @Column
    private String deptname;

    public Integer getDeptno() {
        return deptno;
    }

    public void setDeptno(Integer deptno) {
        this.deptno = deptno;
    }

    public String getDeptname() {
        return deptname;
    }

    public void setDeptname(String deptname) {
        this.deptname = deptname;
    }
}

4.dao层

package cn.happy.dao;

import cn.happy.beans.Dept;
import org.hibernate.Session;

/**
 * Created by linlin on 2017/10/13.
 */
public interface IDeptDao {
    public int addDept(Dept dept);
}


package cn.happy.dao;

import cn.happy.beans.Dept;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.io.Serializable;

/**
 * Created by linlin on 2017/10/13.
 */
@Repository("deptDAO")
public class DeptDaoImpl implements IDeptDao{
    @Resource
    private SessionFactory sessionFactory;

    public int addDept(Dept dept) {
        Serializable count = sessionFactory.getCurrentSession().save(dept);
        return (Integer) count;
    }

    public SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    public void setSessionFactory(SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }
}


servier层:

package cn.happy.service;

import cn.happy.beans.Dept;

/**
 * Created by linlin on 2017/10/13.
 */
public interface IDeptService {
    public int addDept(Dept dept);

}


package cn.happy.service;

import cn.happy.beans.Dept;
import cn.happy.dao.IDeptDao;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;

/**
 * Created by linlin on 2017/10/13.
 */
@Service("deptService")
public class DeptServiceImpl implements IDeptService{
    @Resource()
    private IDeptDao dao;
    @Transactional
    public int addDept(Dept dept) {
        int result=dao.addDept(dept);
        return result;
    }


    public IDeptDao getDao() {
        return dao;
    }

    public void setDao(IDeptDao dao) {
        this.dao = dao;
    }
}


controller层:
package cn.happy.controller;

import cn.happy.beans.Dept;
import cn.happy.service.IDeptService;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.annotation.Resource;

/**
 * Created by linlin on 2017/10/13.
 */
@Controller
public class DeptController {
    @Resource(name="deptService")
    private IDeptService deptService;

    @RequestMapping("/adds")
    public String add(Dept dept){
        deptService.addDept(dept);
        return "index";
    }

    public IDeptService getDeptService() {
        return deptService;
    }

    public void setDeptService(IDeptService deptService) {
        this.deptService = deptService;
    }
}


我们写配置文件 大配置:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       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/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
">

    <!--包扫描器-->
    <context:component-scan base-package="cn.happy"></context:component-scan>
    <!--mvc注解驱动   作用:创建7个HttpMessaeingConvert-->
    <mvc:annotation-driven></mvc:annotation-driven>
    <!--视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/jsp/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>

    <!--1.Datasource-->
    <!--1.配置数据源c3p0-->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driverClassName}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
    </bean>

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

    <!--2.SessionFactory         类:Local-->
      <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
          <property name="hibernateProperties">
              <props>
                  <prop key="hibernate.show_sql">true</prop>
                  <prop key="hibernate.format_sql">true</prop>
                  <prop key="hibernate.dialect">	org.hibernate.dialect.Oracle10gDialect</prop>
                  <prop key="hibernate.hbm2ddl.auto">update</prop>
                  <prop key="hibernate.current_session_context_class">org.springframework.orm.hibernate5.SpringSessionContext</prop>
              </props>
          </property>
          <property name="packagesToScan">
              <list>
                  <value>cn.happy</value>
              </list>
          </property>
    </bean>

  <!--  5.事务管理器-->
    <bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory"></property>
    </bean>

    <!--6.事务-->
    <tx:annotation-driven transaction-manager="transactionManager"></tx:annotation-driven>


</beans>


jdbc.properties 连接数据库

jdbc.driverClassName=oracle.jdbc.OracleDriver
jdbc.url=jdbc:oracle:thin:@localhost:1521:orcl
jdbc.username=sll
jdbc.password=sll


log4j.properties

log4j.rootLogger=info,Console,R

log4j.appender.Console=org.apache.log4j.ConsoleAppender

log4j.appender.Console.layout=org.apache.log4j.PatternLayout

#log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p %c - %m%n

log4j.appender.Console.layout.ConversionPattern=%d{yy-MM-dd HH:mm:ss} %5p %c{1}:%L - %m%n



log4j.appender.R=org.apache.log4j.DailyRollingFileAppender

log4j.appender.R.File=${catalina.home}/logs/tomcat.log

log4j.appender.R.layout=org.apache.log4j.PatternLayout

log4j.appender.R.layout.ConversionPattern=%d{yyyy.MM.dd HH:mm:ss} %5p %c{1}(%L):? %m%n



log4j.logger.org.apache=info,R

log4j.logger.org.apache.catalina.core.ContainerBase.[Catalina].[localhost]=DEBUG, R

log4j.logger.org.apache.catalina.core=info,R

log4j.logger.org.apache.catalina.session=info,R  



页面:

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>添加部门</title>
</head>
<body>
   <form method="post" action="/adds">
      部门名称: <input name="deptname"/>
       <input type="submit" value="添加"/>
   </form>
</body>
</html>


添加成功后

<%@page language="java" pageEncoding="utf-8" %>
<html>
<body>
<h2>login !!!</h2>
</body>
</html>


还有一个就是web.xml  

这个是我们必须写的

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
  <display-name>Archetype Created Web Application</display-name>
  <!--有点东西-->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>


  <!--解决编码的过滤器-->
  <filter>
    <filter-name>CharactorEncodingFilter</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>
    <init-param>
      <param-name>forceEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>



  <filter-mapping>
    <filter-name>CharactorEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <!--1.监听器-->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!--Springmvc配置 :前端控制器,就是一个Servlet-->
  <servlet>
    <servlet-name>springmvc</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:applicationContext.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
  <!--css,js,jpg-->
  <servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>*.js</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>*.css</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>*.jpg</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>*.bmp</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>*.gif</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>*.png</url-pattern>
  </servlet-mapping>
  <welcome-file-list>
    <welcome-file>/jsp/login.jsp</welcome-file>
  </welcome-file-list>
</web-app>


ok.....完成 了


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