刚开始是好好的 后来不知道怎么了就一直报org.springframework.web.servlet.DispatcherServlet

但是 单元测试能通过

spring-dao.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"
      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} -->
   <context:property-placeholder location="classpath:jdbc.properties" />

   <!-- 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="com.imooc.o2o.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="com.imooc.o2o.dao" />
   </bean>
</beans>

spring-service.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: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/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!-- 扫描service包下所有使用注解的类型 -->
    <context:component-scan base-package="com.imooc.o2o.service" />

    <!-- 配置事务管理器 -->
    <bean id="transactionManager"
          class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!-- 配置基于注解的声明式事务 -->
    <tx:annotation-driven transaction-manager="transactionManager" />
</beans>

spring-web.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:mvc="http://www.springframework.org/schema/mvc"
       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/mvc
    http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
    <!-- 配置SpringMVC -->
    <!-- 1.开启SpringMVC注解模式 -->
    <mvc:annotation-driven />

    <!-- 2.静态资源默认servlet配置 (1)加入对静态资源的处理：js,gif,png (2)允许使用"/"做整体映射 -->
    <mvc:resources mapping="/resources/**" location="/resources/" />
    <mvc:default-servlet-handler />

    <!-- 3.定义视图解析器 -->
    <bean id="viewResolver"
          class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/html/"></property>
        <property name="suffix" value=".html"></property>
    </bean>

    <!-- 4.扫描web相关的bean -->
    <context:component-scan base-package="com.imooc.o2o.web.*">
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>
</beans>