1、导入jar包
2、使用连接池(c3p0);将c3p0-config.xml文件放到src目录下
<?xml version="1.0" encoding="UTF-8"?>
<c3p0-config>
<default-config>
<property name="driverClass">com.mysql.jdbc.Driver</property>
<property name="jdbcUrl">jdbc:mysql://localhost:3306/test</property>
<property name="user">root</property>
<property name="password">123456</property>
<property name="acquireIncrement">50</property>
<property name="initialPoolSize">100</property>
<property name="minPoolSize">50</property>
<property name="maxPoolSize">1000</property>
</default-config>
<named-config name="flx">
<property name="driverClass">com.mysql.jdbc.Driver</property>
<property name="jdbcUrl">jdbc:mysql://localhost:3306/test</property>
<property name="user">root</property>
<property name="password">123456</property>
<property name="acquireIncrement">5</property>
<property name="initialPoolSize">6</property>
<property name="minPoolSize">5</property>
<property name="maxPoolSize">10</property><!-- intergalactoApp adopts a different approach to configuring statement caching -->
</named-config>
</c3p0-config>