【spring】spring+springmvc+springdatajpa整合

開發(fā)環(huán)境：

IntelliJ IDEA 15.0.4
JDK1.6_43

項(xiàng)目整體如下：

Paste_Image.png

maven 配置文件如下

<?xml version="1.0" encoding="UTF-8"?>
<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">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.marry.fquery</groupId>
    <artifactId>linyi</artifactId>
    <version>1.0</version>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <spring.version>4.2.5.RELEASE</spring.version>
        <hibernate.version>4.3.11.Final</hibernate.version>
        <querydsl.version>4.1.4</querydsl.version>
    </properties>


    <dependencies>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>3.0-alpha-1</version>
            <scope>provided</scope>
        </dependency>
        <!--aop實(shí)現(xiàn)-->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.7.1</version>
        </dependency>
        <!-- 添加junit4依賴 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <!-- 指定范圍悬而，在測(cè)試時(shí)才會(huì)加載 -->
            <scope>test</scope>
        </dependency>
        <!-- 添加spring核心依賴 -->
        <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-orm</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-context</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-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>

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

        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-jpa</artifactId>
            <version>1.7.1.RELEASE</version>
        </dependency>

        <!-- 添加阿里巴巴連接池Druid支持 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.29</version>
        </dependency>
        <!--alibaba json-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.27</version>
        </dependency>

        <!-- 添加log4j日志 -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.19</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.19</version>
        </dependency>
        <!--oracle數(shù)據(jù)庫(kù)-->
        <dependency>
            <groupId>ojdbc</groupId>
            <artifactId>ojdbc14</artifactId>
            <version>10.2.0.4.0</version>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.4</version>
        </dependency>

        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>18.0</version>
        </dependency>

        <!--queryDSL-->
        <dependency>
            <groupId>com.querydsl</groupId>
            <artifactId>querydsl-jpa</artifactId>
            <version>${querydsl.version}</version>
        </dependency>
        <dependency>
            <groupId>com.querydsl</groupId>
            <artifactId>querydsl-apt</artifactId>
            <version>${querydsl.version}</version>
        </dependency>

    </dependencies>
    <build>
        <plugins>
            <!-- 編碼和編譯 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                </configuration>
            </plugin>
        </plugins>
        <finalName>FQuery</finalName>
    </build>


</project>

這里有童鞋會(huì)發(fā)現(xiàn)為啥還添加了hibernate的jar包啊具壮，其實(shí)這里不是用的hibernate而是用的hibernate的相關(guān)實(shí)現(xiàn),貼個(gè)圖大家就看懂了由于不同的orm框架之間有區(qū)別，spring Data Jpa可以方便的在不同的orm中間進(jìn)行切換

Paste_Image.png

添加spring上下文配置文件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:context="http://www.springframework.org/schema/context"
       xmlns:jpa="http://www.springframework.org/schema/data/jpa" 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/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa.xsd http://www.alibaba.com/schema/stat http://www.alibaba.com/schema/stat.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">


    <!--啟動(dòng)組件掃描 排除@Controller留給springmvc防止重復(fù)加載-->
    <context:component-scan base-package="com.zhxt.fquery">
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>
    <!--加載配置文件-->
    <context:property-placeholder location="classpath:jdbc.properties" ignore-unresolvable="true"/>

    <!-- 阿里 druid 數(shù)據(jù)庫(kù)連接池 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close" init-method="init">
        <!-- 數(shù)據(jù)庫(kù)基本信息配置 -->
        <property name="url" value="${url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${password}"/>
        <property name="driverClassName" value="${driverClassName}"/>
        <property name="filters" value="${filters}"/>
        <!-- 最大并發(fā)連接數(shù) -->
        <property name="maxActive" value="${maxActive}"/>
        <!-- 初始化連接數(shù)量 -->
        <property name="initialSize" value="${initialSize}"/>
        <!-- 配置獲取連接等待超時(shí)的時(shí)間 -->
        <property name="maxWait" value="${maxWait}"/>
        <!-- 最小空閑連接數(shù) -->
        <property name="minIdle" value="${minIdle}"/>
        <!-- 配置間隔多久才進(jìn)行一次檢測(cè)勃教，檢測(cè)需要關(guān)閉的空閑連接送朱，單位是毫秒 -->
        <property name="timeBetweenEvictionRunsMillis" value="${timeBetweenEvictionRunsMillis}"/>
        <!-- 配置一個(gè)連接在池中最小生存的時(shí)間熙尉，單位是毫秒 -->
        <property name="minEvictableIdleTimeMillis" value="${minEvictableIdleTimeMillis}"/>
        <property name="validationQuery" value="${validationQuery}"/>
        <property name="testWhileIdle" value="${testWhileIdle}"/>
        <property name="testOnBorrow" value="${testOnBorrow}"/>
        <property name="testOnReturn" value="${testOnReturn}"/>
        <property name="maxOpenPreparedStatements" value="${maxOpenPreparedStatements}"/>
        <!-- 打開 removeAbandoned 功能 -->
        <property name="removeAbandoned" value="${removeAbandoned}"/>
        <!-- 1800 秒橘沥，也就是 30 分鐘 -->
        <property name="removeAbandonedTimeout" value="${removeAbandonedTimeout}"/>
        <!-- 關(guān)閉 abanded 連接時(shí)輸出錯(cuò)誤日志 -->
        <property name="logAbandoned" value="${logAbandoned}"/>
    </bean>

    <!--jpa實(shí)體管理器工廠-->
    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="jpaVendorAdapter" ref="hibernateJpaVendorAdapter"/>
        <property name="packagesToScan" value="com.zhxt.fquery.entity"/>

        <property name="jpaProperties">
            <props>
                <prop key="hibernate.show_sql">true</prop>
                <prop key="hibernate.format_sql">true</prop>
            </props>
        </property>
    </bean>
    <!--設(shè)置jpa實(shí)現(xiàn)廠商的特點(diǎn)屬性-->

    <bean id="hibernateJpaVendorAdapter" class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
        <property name="databasePlatform" value="${hibernate.dialect}"/>
    </bean>

    <!--jpa事務(wù)管理-->
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
        <property name="entityManagerFactory" ref="entityManagerFactory"/>
    </bean>

    <!--springdataJpa配置-->
    <jpa:repositories base-package="com.zhxt.fquery.jpa" transaction-manager-ref="transactionManager"/>

    <!--使用annotation定義事務(wù)-->
    <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/>
</beans>

web.xml配置

<?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_3_0.xsd"
         id="WebApp_ID" version="3.0">

    <!--spring配置文件路徑-->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>

    <!--spring監(jiān)聽器-->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!--springmvc核心servlet-->
    <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--初始化 springmvc配置文件路徑-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring-mvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
        <async-supported>true</async-supported>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>
    
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>*.html</url-pattern>
    </servlet-mapping>

    <!--編碼過(guò)濾器-->
    <filter>
        <filter-name>encodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <async-supported>true</async-supported>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!-- 解決JPA因EntityManager關(guān)閉導(dǎo)致的延遲加載例外（異常） -->
    <filter>
        <filter-name>Spring OpenEntityManagerInViewFilter</filter-name>
        <filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter</filter-class>
        <!-- 指定org.springframework.orm.jpa.LocalEntityManagerFactoryBean在spring配置文件中的名稱,默認(rèn)值為entityManagerFactory
          如果LocalEntityManagerFactoryBean在spring中的名稱不是entityManagerFactory,該參數(shù)一定要指定,否則會(huì)出現(xiàn)找不到entityManagerFactory的例外 -->
        <init-param>
            <param-name>entityManagerFactoryBean</param-name>
            <param-value>entityManagerFactory</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>Spring OpenEntityManagerInViewFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!-- 連接池 啟用 Web 監(jiān)控統(tǒng)計(jì)功能    start-->

    <filter>
        <filter-name>DruidWebStatFilter</filter-name>
        <filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class>
        <init-param>
            <param-name>exclusions</param-name>
            <param-value>*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>DruidWebStatFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    
    <servlet>
        <servlet-name>DruidWebStatFilter</servlet-name>
        <servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
        <init-param>
            <!-- 允許清空統(tǒng)計(jì)數(shù)據(jù) -->
            <param-name>resetEnable</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <!-- 用戶名 -->
            <param-name>loginUsername</param-name>
            <param-value>druid</param-value>
        </init-param>
        <init-param>
            <!-- 密碼 -->
            <param-name>loginPassword</param-name>
            <param-value>druid</param-value>
        </init-param>
    </servlet>
    <servlet-mapping>
        <servlet-name>DruidWebStatFilter</servlet-name>
        <url-pattern>/druid/*</url-pattern>
    </servlet-mapping>

</web-app>

數(shù)據(jù)庫(kù)配置文件 jdbc.properties

url: jdbc:oracle:thin:@127.0.0.1:1521:orcl
driverClassName: oracle.jdbc.driver.OracleDriver
jdbc.username: pubr
password: 123
filters: stat
maxActive: 50
initialSize: 1
maxWait: 60000
minIdle: 10
maxIdle: 15
timeBetweenEvictionRunsMillis: 6000
minEvictableIdleTimeMillis: 300000
validationQuery: SELECT 'x'
testWhileIdle: true
testOnBorrow: false
testOnReturn: false
maxOpenPreparedStatements: 20
removeAbandoned: true
removeAbandonedTimeout: 1800
logAbandoned: true

hibernate.dialect=org.hibernate.dialect.OracleDialect

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


    <!-- 啟用SpringMVC的注解功能,它會(huì)自動(dòng)注冊(cè)HandlerMapping、HandlerAdapter觉渴、ExceptionResolver的相關(guān)實(shí)例 -->
    <mvc:annotation-driven>
        <mvc:message-converters>
            <ref bean="stringHttpMessageConverter"/>
            <ref bean="fastJsonHttpMessageConverter"/>
        </mvc:message-converters>
    </mvc:annotation-driven>
    <bean id="stringHttpMessageConverter" class="org.springframework.http.converter.StringHttpMessageConverter">
        <constructor-arg value="UTF-8" index="0"/>
        <property name="supportedMediaTypes">
            <list>
                <value>text/plain;charset=UTF-8</value>
            </list>
        </property>
    </bean>

    <bean id="fastJsonHttpMessageConverter" class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
        <property name="supportedMediaTypes">
            <list>
                <value>text/html;charset=UTF-8</value>
                <value>application/json;charset=UTF-8</value>
                <value>application/x-www-form-urlencoded;charset=UTF-8</value>
            </list>
        </property>
        <property name="fastJsonConfig">
            <bean class="com.alibaba.fastjson.support.config.FastJsonConfig">
                <property name="features">
                    <list>
                        <value>DisableCircularReferenceDetect</value>
                    </list>
                </property>
                <property name="dateFormat" value="yyyy-MM-dd"/>
            </bean>
        </property>
    </bean>
    <!--springmvc掃描范圍-->
    <context:component-scan base-package="com.zhxt.fquery.controller"/>

    <!--靜態(tài)文件不攔截-->
    <mvc:resources mapping="/static/**"  location="/static/"/>


    <!--視圖解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

BaseReposity.class

@NoRepositoryBean
public interface BaseReposity<T,ID extends Serializable> extends JpaRepository<T,ID>,JpaSpecificationExecutor<T>{
}

由于JpaRepository已經(jīng)有Repository屬性了所以我們自己為了不在所有的Jpa類中都寫重復(fù)的代碼所建的接口添加個(gè)@NoRepositoryBean聲明

BuildingJpa.class

public interface BuildingJpa extends BaseReposity<Building,Long> {
}

BuildingServiceTest.class

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:applicationContext.xml")
public class BuildingServiceTest {

    @Resource
    BuildingJpa buildingJpa;

    @Test
    public void testGetBuildingById() throws Exception {
        System.out.println(" = " );
        Building building=buildingJpa.findOne(111L);


    }
}

注意這里需要使用 findOne() 方法不要使用 getOne() 否則你會(huì)發(fā)現(xiàn)得到的所有的對(duì)象均為空

最后編輯于：2017.12.09 23:08:15

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【spring】spring+springmvc+springdatajpa整合

maven 配置文件如下

添加spring上下文配置文件applicationContext.xml

web.xml配置

數(shù)據(jù)庫(kù)配置文件 jdbc.properties

springmvc的配置文件 spring-mvc.xml

BaseReposity.class

BuildingJpa.class

BuildingServiceTest.class

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