第1步

第2步

第3步

第4步

2.配置文件
pom.xml

<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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.aaa</groupId>
  <artifactId>aaa</artifactId>
  <packaging>war</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>aaa Maven Webapp</name>
  <url>http://maven.apache.org</url>

  <properties>
    <spring_version>4.2.8.RELEASE</spring_version>
    <mybatis_version>3.2.8</mybatis_version>
    <mysql_version>5.1.29</mysql_version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>

    <!--Spring 依赖的jar包 -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring_version}</version>
    </dependency>
    <!--Spring 对JDBC访问需要的类 -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>${spring_version}</version>
    </dependency>

    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjrt</artifactId>
      <version>1.8.0</version>
    </dependency>
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjweaver</artifactId>
      <version>1.8.0</version>
    </dependency>

    <!-- mysql 连接jar包 -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>${mysql_version}</version>
    </dependency>

    <!-- mybatis核心包 -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>${mybatis_version}</version>
    </dependency>

    <!-- mybatis-spring包 -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.3.0</version>
    </dependency>

    <!-- com.alibaba/fastjson -->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>fastjson</artifactId>
      <version>1.2.24</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.alibaba/druid -->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>druid</artifactId>
      <version>1.0.29</version>
    </dependency>

    <!-- log4j/log4j -->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.17</version>
    </dependency>

  </dependencies>
  <build>
    <finalName>aaa</finalName>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
          <source>1.6</source>
          <target>1.6</target>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>

3.配置web.xml

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  <!--配置spring的字符集过滤器 -->
  <filter>
    <filter-name>encoding</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>encoding</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  <servlet>
    <servlet-name>springmvc</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:beans.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>

  <!-- druid -->
  <servlet>
    <servlet-name>DruidStatView</servlet-name>
    <servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>DruidStatView</servlet-name>
    <url-pattern>/druid/*</url-pattern>
  </servlet-mapping>
  <!-- druid -->

  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>
</web-app>

4配置beans.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"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:task="http://www.springframework.org/schema/task"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd 
        http://www.springframework.org/schema/mvc 
        http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd 
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-3.1.xsd 
        http://www.springframework.org/schema/aop 
        http://www.springframework.org/schema/aop/spring-aop-3.1.xsd 
        http://www.springframework.org/schema/tx 
        http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
        http://www.springframework.org/schema/task
        http://www.springframework.org/schema/task/spring-task-4.1.xsd
        ">


    <context:component-scan base-package="com.aaaa" />
    <!--启用Spring对@AspectJ的支持 -->
    <aop:aspectj-autoproxy />
    <!-- 定时器 -->
    <task:annotation-driven />
    <!-- 注解映射器 -->
    <bean
        class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping" />
    <!--注解适配器 -->
    <bean
        class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
        <!-- json转换器 -->
        <property name="messageConverters">
            <list>
                <bean
                    class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter"></bean>
            </list>
        </property>

    </bean>
    <import resource="beans-interceptor.xml" />
    <!--<import resource="manager-interceptor.xml" />-->


    <!-- 配置数据源 -->

    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
        <property name="url" value="jdbc:mysql://127.0.0.1:3306/family?useUnicode=true&characterEncoding=utf-8"></property>
        <property name="username" value="root"></property>
        <property name="password" value=""></property>
        <!-- 设置初始化连接数 -->
        <property name="initialSize" value="4"></property>
        <!-- 设置最大连接数  -->
        <property name="maxActive" value="20"></property>
        <!-- 设置最大空闲数 防止洪峰退去时，空闲的连接过多-->
        <property name="maxIdle" value="8"></property>
        <!-- 设置最小空闲数 防止洪峰到来时, 重新创建连接引起的性能开销-->
        <property name="minIdle" value="5"></property>
        <!-- 设置等待时间 -->
        <property name="maxWait" value="5000"></property>
    </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.aaa"/>
        <!-- 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.aaa.mapper"/>
    </bean>


    <!--  配置spring事务管理器  然后注入数据源  切面  -->
    <bean id="txManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入数据源 -->
        <property name="dataSource" ref="dataSource"></property>
    </bean>


    <!-- 配置通知   -->
    <!--<tx:advice transaction-manager="txManager" id="advice">-->
        <!--<tx:attributes>-->
            <!--<tx:method name="save*" isolation="DEFAULT" read-only="false" />-->
        <!--</tx:attributes>-->
    <!--</tx:advice>-->

    <!--<tx:annotation-driven transaction-manager="txManager" />-->
    <!-- 配置数据源 -->
</beans>