SSM (Spring + SpringMVC + MyBatis) Oracle database connection

1. Import dependent Oracle

    <!--oracle数据库依赖-->
    <dependency>
      <groupId>com.oracle</groupId>
      <artifactId>ojdbc7</artifactId>
      <version>12.1.0.2</version>
    </dependency>

2. Database configuration information

driver=oracle.jdbc.driver.OracleDriver
url=jdbc:oracle:thin:@localhost:1521/orcl #注意Orcl是全局数据库名
username=devUser
password=123456

Data source configuration 3.Spring

<?xml version="1.0" encoding="UTF-8" ?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                           http://www.springframework.org/schema/beans/spring-beans-3.2.xsd">

    <!--引入数据库配置文件-->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="location" value="classpath:database.properties"/>
    </bean>

    <!--使用dbcp配置数据源-->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <property name="driverClassName" value="${driver}"/>
        <property name="url" value="${url}"/>
        <property name="username" value="${username}"/>
        <property name="password" value="${password}"/>
    </bean>

    <!--配置SqlSessionFactoryBean-->
    <bean id="SqlSessionFactroy" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>

    <!--配置一个自动生成dao层的实现类的Bean-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="cn.smbms.dao"/>
    </bean>
</beans>

4. after a successful connection can be set up! ~