spring配置：

       <!-- 数据库连接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="com.mysql.jdbc.Driver" />
        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/maven" />
        <property name="user" value="root" />
        <property name="password" value="!Sxw19900725" />
    </bean>
    <!-- 配置sessionFactory -->
    <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
        <!-- 依赖dataSource -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 创建工厂需要加载hibernate映射文件 -->
        <property name="configLocations" value="classpath:hibernate.cfg.xml"></property>
    </bean>

    <bean id="customerDao" class="com.xiaowen.dao.impl.CustomerDaoImpl">
            <property name="sessionFactory" ref="sessionFactory"></property>
    </bean>

spring配置没有问题，CustomerDaoImpl也继承了HibernateDaoSupport

在运行测试方法的时候出现：Bean property ‘sessionFactory’ is not writable or has an invalid setter method
调试半天，发现，原来是因为，测试类的名字与CustomerDaoImpl重复了，所以spring就找不到HibernateDaoSupport的setSessionFactory方法了。╮(╯▽╰)╭