spring4.2+spring mvc +spring data+jpa+hibernate的程序构架

- 整个项目下载包

- maven的pom.xml文件

<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">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.9elephas</groupId>
    <artifactId>meerkat</artifactId>
    <packaging>war</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <name>meerkat</name>
    <url>http://maven.apache.org</url>

    <properties>
        <!-- spring版本号 -->
        <spring.version>4.2.5.RELEASE</spring.version>
        <!-- log4j日志文件管理包版本 -->
        <slf4j.version>1.7.7</slf4j.version>
        <log4j.version>1.2.17</log4j.version>
        <!-- hibernate 版本号  -->
        <hibernate.version>5.1.0.Final</hibernate.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <!-- 表示开发的时候引入，发布的时候不会加载此包 -->
            <scope>test</scope>
        </dependency>
        <!-- spring核心包 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>

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

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

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

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

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

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

        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-jpa</artifactId>
            <version>1.10.1.RELEASE</version>
        </dependency>

        <!-- 导入HttpClient包 -->
        <dependency>
            <groupId>commons-httpclient</groupId>
            <artifactId>commons-httpclient</artifactId>
            <version>3.0.1</version>
        </dependency>

        <dependency>
            <groupId>HTTPClient</groupId>
            <artifactId>HTTPClient</artifactId>
            <version>0.3-3</version>
        </dependency>

        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpcore</artifactId>
            <version>4.4.4</version>
        </dependency>

        <!-- 导入java ee jar 包 -->
        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-api</artifactId>
            <version>7.0</version>
        </dependency>

        <!-- 导入Mysql数据库链接jar包 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.30</version>
        </dependency>



        <!-- JSTL标签类 -->
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!-- 日志文件管理包 -->
        <!-- log start -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4j.version}</version>
        </dependency>


        <!-- 格式化对象，方便输出日志 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.1.41</version>
        </dependency>


        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <!-- log end -->

        <!-- 映入JSON -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.7.0</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.7.0</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>2.7.0</version>
        </dependency>

        <!-- 上传组件包 -->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3.1</version>
        </dependency>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.4</version>
        </dependency>
        <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
            <version>1.9</version>
        </dependency>


        <!-- 关系型数据库整合时需配置 如hibernate jpa等 -->
        <!-- hibernate -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>${hibernate.version}</version>
        </dependency>

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

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

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-c3p0</artifactId>
            <version>${hibernate.version}</version>
        </dependency>


    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-deploy-plugin</artifactId>
                <version>2.7</version>
                <configuration>
                    <uniqueVersion>false</uniqueVersion>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-eclipse-plugin</artifactId>
                <version>2.8</version>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.2</version>
                <configuration>
                    <failOnError>true</failOnError>
                    <verbose>true</verbose>
                    <fork>true</fork>
                    <compilerArgument>-nowarn</compilerArgument>
                    <source>1.7</source>
                    <target>1.7</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-source-plugin</artifactId>
                <version>2.1.2</version>
                <executions>
                    <execution>
                        <id>attach-sources</id>
                        <goals>
                            <goal>jar</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>

- spring framework 的配置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"    
    xmlns:p="http://www.springframework.org/schema/p"    
    xmlns:cache="http://www.springframework.org/schema/cache"    
    xmlns:jpa="http://www.springframework.org/schema/data/jpa"  

    xsi:schemaLocation="http://www.springframework.org/schema/beans     
          http://www.springframework.org/schema/beans/spring-beans-4.2.xsd     
          http://www.springframework.org/schema/context     
          http://www.springframework.org/schema/context/spring-context-4.2.xsd     
          http://www.springframework.org/schema/aop     
          http://www.springframework.org/schema/aop/spring-aop-4.2.xsd     
          http://www.springframework.org/schema/tx      
          http://www.springframework.org/schema/tx/spring-tx-4.2.xsd  
          http://www.springframework.org/schema/cache   
          http://www.springframework.org/schema/cache/spring-cache-4.2.xsd  
          http://www.springframework.org/schema/data/jpa  
          http://www.springframework.org/schema/data/jpa/spring-jpa.xsd">    

        <context:annotation-config />    

        <context:component-scan base-package="com.ninelephas.meerkat"/>  


        <bean id="entityManagerFactory"  
            class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">  
            <property name="jpaVendorAdapter">  
                <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">  
                    <property name="generateDdl" value="true" />  
                    <property name="database" value="MYSQL" />  
                </bean>  
            </property>  
            <property name="persistenceUnitName" value="Meerkat_PU" />  
        </bean>  

         <!-- 配置事务管理器 -->    
           <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">    
            <property name="entityManagerFactory" ref="entityManagerFactory" />    
           </bean>   

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


           <!-- 配置Spring Data JPA扫描目录-->   
           <jpa:repositories base-package="com.ninelephas.meerkat"/>  
</beans> 

- jpa配置文件persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
    http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" version="1.0">

    <persistence-unit name="Meerkat_PU" transaction-type="RESOURCE_LOCAL">

        <!-- provider>org.eclipse.persistence.jpa.PersistenceProvider</provider-->
        <provider>org.hibernate.ejb.HibernatePersistence</provider>
        <class>com.ninelephas.meerkat.pojo.User</class>
        <class>com.ninelephas.meerkat.pojo.Role</class>
        <class>com.ninelephas.meerkat.pojo.ProductImage</class>
        <class>com.ninelephas.meerkat.pojo.ProductInfo</class>


        <!-- MYSql 的连接-->
        <properties>
             <property name="hibernate.connection.driver_class"             value="com.mysql.jdbc.ReplicationDriver" />
             <!--  <property name="hibernate.connection.url"     value="jdbc:mysql://192.168.1.220:3306/meerkat?useUnicode=true&amp;characterEncoding=utf-8" />-->
             <property name="hibernate.connection.url"                      value="jdbc:mysql:replication://192.168.1.220:3306,192.168.1.221:3306,192.168.1.222:3306,192.168.1.223:3306/meerkat?useUnicode=true&amp;characterEncoding=utf-8"/>
             <property name="hibernate.connection.username"                 value="meerkat-rw" />
             <property name="hibernate.connection.password"                 value="H4EHLKy9jWAFse" />
             <property name="hibernate.connection.provider_class"           value="org.hibernate.c3p0.internal.C3P0ConnectionProvider"/>

             <property name="hibernate.c3p0.max_size" value="100"/>
             <property name="hibernate.c3p0.min_size"  value="20"/>
             <property name="hibernate.c3p0.timeout"   value="120"/>
             <property name="hibernate.c3p0.max_statements" value="0"/>
             <property name="hibernate.c3p0.idle_test_period"  value="120"/>
             <property name="hibernate.c3p0.acquire_increment" value="5  "/>

             <property name="hibernate.cache.provider_class" value="org.hibernate.cache.EhCacheProvider"/>
             <property name="hibernate.cache.use_query_cache" value="false"/>
             <property name="hibernate.show_sql" value="true"/>
             <property name="hibernate.useUnicode" value="true"/>
             <property name="hibernate.characterEncoding" value="utf8"/>
             <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>


         </properties>

    </persistence-unit>
</persistence>

- spring mvc 配置文件spring-mvc.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:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="http://www.springframework.org/schema/beans  
                        http://www.springframework.org/schema/beans/spring-beans-4.2.xsd  
                        http://www.springframework.org/schema/context  
                        http://www.springframework.org/schema/context/spring-context-4.2.xsd  
                        http://www.springframework.org/schema/mvc  
                        http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd">

    <mvc:annotation-driven>
    </mvc:annotation-driven>
    <mvc:resources location="/resources/" mapping="/resources/**" />
    <!-- 自动扫描该包，使SpringMVC认为包下用了@controller注解的类是控制器 -->
    <context:component-scan base-package="com.ninelephas" />
    <!-- 定义跳转的文件的前后缀 ，视图模式配置 -->
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 这里的配置我的理解是自动给后面action的方法return的字符串加上前缀和后缀，变成一个 可用的url地址 -->
        <property name="prefix" value="/WEB-INF/jsp/" />
        <property name="suffix" value=".jsp" />
    </bean>

    <!-- 配置文件上传，如果没有使用文件上传可以不用配置，当然如果不配，那么配置文件中也不必引入上传组件包 -->
    <bean id="multipartResolver"
        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <!-- 默认编码 -->
        <property name="defaultEncoding" value="utf-8" />
        <!-- 文件大小最大值 -->
        <property name="maxUploadSize" value="10485760000" />
        <!-- 内存中的最大值 -->
        <property name="maxInMemorySize" value="40960" />
    </bean>

</beans>