c3p0-config连接池

<?xml version="1.0" encoding="UTF-8"?>
<c3p0-config>
    <!-- 这是默认配置信息 -->
    <default-config> 
        <!-- 连接四大参数配置 -->
        <property name="jdbcUrl">jdbc:mysql://localhost:3306/customers</property>
        <property name="driverClass">com.mysql.jdbc.Driver</property>
        <property name="user">root</property>
        <property name="password">123</property>
        <!-- 池参数配置 -->
        <property name="acquireIncrement">3</property>
        <property name="initialPoolSize">10</property>
        <property name="minPoolSize">2</property>
        <property name="maxPoolSize">10</property>
    </default-config>
    
    <!-- 专门为oracle提供的配置信息 -->
    <named-config name="oracle-config"> 
        <property name="jdbcUrl">jdbc:mysql://localhost:3306/mydb1</property>
        <property name="driverClass">com.mysql.jdbc.Driver</property>
        <property name="user">root</property>
        <property name="password">123</property>
        <property name="acquireIncrement">3</property>
        <property name="initialPoolSize">10</property>
        <property name="minPoolSize">2</property>
        <property name="maxPoolSize">10</property>
    </named-config>

</c3p0-config>