Pageable分页不可用,请各位大神指教指教

Question

我自己创建了SpringMVC工程，使用spring data JPA访问数据库，想利用Pageable实现分页。程序运行出现如下错误org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.domain.Pageable]: Specified class is an interface

Answer 1

一下是我的配置文件
<?xml version="1.0" encoding="UTF-8"?>
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jpa="http://www.springframework.org/schema/data/jpa"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p"
xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.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
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd
http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa.xsd"
default-lazy-init="true">

<!--使Spring支持自动检测组件，如注解的@Controller -->
<context:component-scan base-package="com.dinglh" />

<context:property-placeholder location="classpath:jdbc.properties" />
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
    destroy-method="close" 
    p:driverClassName="${jdbc.driverClassName}"
    p:url="${jdbc.url}" 
    p:username="${jdbc.username}" 
    p:password="${jdbc.password}" />
<context:annotation-config /> <!-- 此行语句使得resource autowired 等四个注解可以使用 -->

<!-- 实例化jdbcTemplate,同时注入数据源 -->
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"
    p:dataSource-ref="dataSource" />

<!-- 配置事务管理器 -->
<bean id="txManager"
    class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="dataSource" />
</bean>

<!-- 事务扫描开始(开启@Tranctional) -->
<tx:annotation-driven transaction-manager="txManager" />
<!-- JPA实体管理器工厂 -->
<bean id="entityManagerFactory"
    class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
    <property name="dataSource" ref="dataSource" />
    <property name="jpaVendorAdapter" ref="hibernateJpaVendorAdapter" />
    <!-- 加入定制化包路径 -->
    <property name="packagesToScan" value="com.dinglh" />

    <property name="jpaProperties">
        <props>
            <prop key="hibernate.current_session_context_class">thread</prop>
            <prop key="hibernate.hbm2ddl.auto">update</prop><!-- validate/update/create -->
            <prop key="hibernate.show_sql">false</prop>
            <prop key="hibernate.format_sql">false</prop>

            <!-- 建表的命名规则 -->
            <prop key="hibernate.ejb.naming_strategy">org.hibernate.cfg.ImprovedNamingStrategy</prop>
            <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</prop>
            <!--二级缓存-->
            <prop key="hibernate.cache.use_query_cache">true</prop>
            <prop key="hibernate.cache.use_second_level_cache">true</prop>
            <prop key="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.EhCacheRegionFactory</prop>

        </props>
    </property>
</bean>

<!-- 设置JPA实现厂商的特定属性 -->
<bean id="hibernateJpaVendorAdapter" class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
    <property name="databasePlatform" value="org.hibernate.dialect.MySQLDialect" />
</bean>

<!-- Jpa 事务配置 -->
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
    <property name="entityManagerFactory" ref="entityManagerFactory"/>
</bean>

<!-- Spring Data Jpa配置 -->
<jpa:repositories base-package="com.dinglh"  transaction-manager-ref="transactionManager" entity-manager-factory-ref="entityManagerFactory"/>

<tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" />
<!-- 分页 -->

    <bean id="sortResolver" class="org.springframework.data.web.SortHandlerMethodArgumentResolver" />
    <bean id="pageableResolver" class="org.springframework.data.web.PageableHandlerMethodArgumentResolver">
        <constructor-arg ref="sortResolver"></constructor-arg>
    </bean>