ｓｐｒｉｎｇ.ｘｍｌ配置文件：
<?xml version="1.0" encoding="UTF-8"?>
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 配置整合mybatis过程 -->
<!-- 1.配置数据库相关参数properties的属性：${url} -->
<!-- 2.数据库连接池 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<!-- 配置连接池属性 -->
<property name="driverClass" value="${jdbc.driver}" />
<property name="jdbcUrl" value="${jdbc.url}" />
<property name="user" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<!-- c3p0连接池的私有属性 -->
<property name="maxPoolSize" value="30" />
<property name="minPoolSize" value="10" />
<!-- 关闭连接后不自动commit -->
<property name="autoCommitOnClose" value="false" />
<!-- 获取连接超时时间 -->
<property name="checkoutTimeout" value="10000" />
<!-- 当获取连接失败重试次数 -->
<property name="acquireRetryAttempts" value="2" />
</bean>
<!-- 3.配置SqlSessionFactory对象 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 注入数据库连接池 -->
<property name="dataSource" ref="dataSource" />
<!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
<property name="configLocation" value="classpath:mybatis-config.xml" />
<!-- 扫描entity包 使用别名 -->
<property name="typeAliasesPackage" value="entity" />
<!-- 扫描sql配置文件:mapper需要的xml文件 -->
<property name="mapperLocations" value="classpath:Mapper/*.xml" />
</bean>
<!-- 4.配置扫描Dao接口包，动态实现Dao接口，注入到spring容器中 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 注入sqlSessionFactory -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
<!-- 给出需要扫描Dao接口包 -->
<property name="basePackage" value="dao" />
</bean>
报错信息：
五月 19, 2017 12:07:08 上午 org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh
信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5cb0d902: startup date [Fri May 19 00:07:08 CST 2017]; root of context hierarchy
五月 19, 2017 12:07:09 上午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
信息: Loading XML bean definitions from class path resource [spring.xml]
五月 19, 2017 12:07:09 上午 org.springframework.context.support.PropertySourcesPlaceholderConfigurer loadProperties
信息: Loading properties file from class path resource [jdbc.properties]
五月 19, 2017 12:07:09 上午 com.mchange.v2.log.MLog
信息: MLog clients using java 1.4+ standard logging.
五月 19, 2017 12:07:10 上午 com.mchange.v2.c3p0.C3P0Registry banner
信息: Initializing c3p0-0.9.1.2 [built 21-May-2007 15:04:56; debug? true; trace: 10]
00:07:10.501 [main] DEBUG org.apache.ibatis.logging.LogFactory - Logging initialized using 'class org.apache.ibatis.logging.slf4j.Slf4jImpl' adapter.
00:07:10.734 [main] DEBUG org.apache.ibatis.io.ResolverUtil - Class not found: org.jboss.vfs.VFS
00:07:10.734 [main] DEBUG org.apache.ibatis.io.ResolverUtil - JBoss 6 VFS API is not available in this environment.
00:07:10.742 [main] DEBUG org.apache.ibatis.io.ResolverUtil - Class not found: org.jboss.vfs.VirtualFile
00:07:10.743 [main] DEBUG org.apache.ibatis.io.ResolverUtil - VFS implementation org.apache.ibatis.io.JBoss6VFS is not valid in this environment.
00:07:10.744 [main] DEBUG org.apache.ibatis.io.ResolverUtil - Using VFS adapter org.apache.ibatis.io.DefaultVFS
00:07:10.750 [main] DEBUG org.apache.ibatis.io.ResolverUtil - Find JAR URL: file:/home/andy/%e6%a1%8c%e9%9d%a2/project/wendang/target/classes/entity
00:07:10.751 [main] DEBUG org.apache.ibatis.io.ResolverUtil - Not a JAR: file:/home/andy/%e6%a1%8c%e9%9d%a2/project/wendang/target/classes/entity
00:07:10.973 [main] DEBUG org.apache.ibatis.io.ResolverUtil - Reader entry: Book.class
00:07:10.974 [main] DEBUG org.apache.ibatis.io.ResolverUtil - Listing file:/home/andy/%e6%a1%8c%e9%9d%a2/project/wendang/target/classes/entity
00:07:10.974 [main] DEBUG org.apache.ibatis.io.ResolverUtil - Find JAR URL: file:/home/andy/%e6%a1%8c%e9%9d%a2/project/wendang/target/classes/entity/Book.class
00:07:10.975 [main] DEBUG org.apache.ibatis.io.ResolverUtil - Not a JAR: file:/home/andy/%e6%a1%8c%e9%9d%a2/project/wendang/target/classes/entity/Book.class
00:07:10.981 [main] DEBUG org.apache.ibatis.io.ResolverUtil - Reader entry: ���� 4 A
00:07:10.982 [main] DEBUG org.apache.ibatis.io.ResolverUtil - Checking to see if class entity.Book matches criteria [is assignable to Object]
00:07:10.989 [main] DEBUG o.m.spring.SqlSessionFactoryBean - Scanned package: 'entity' for aliases
00:07:11.149 [main] DEBUG o.m.spring.SqlSessionFactoryBean - Parsed configuration file: 'class path resource [mybatis-config.xml]'
00:07:11.277 [main] DEBUG o.m.spring.SqlSessionFactoryBean - Parsed mapper file: 'file [/home/andy/桌面/project/wendang/target/classes/Mapper/BookDao.xml]'
Exception in thread "main" org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'BookDao' is defined
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanDefinition(DefaultListableBeanFactory.java:687)
at org.springframework.beans.factory.support.AbstractBeanFactory.getMergedLocalBeanDefinition(AbstractBeanFactory.java:1168)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:281)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:956)
at TestMybatis.main(TestMybatis.java:11)
Process finished with exit code 1
