## 默认配置 放置在src文件夹下 ~~~ <?xml version="1.0" encoding="utf-8"?> <c3p0-config> <default-config> <property name="driverClass">com.mysql.jdbc.Driver</property> <property name="jdbcUrl">jdbc:mysql://192.168.10.10:3306/jdbc?useSSL=false</property> <property name="user">homestead</property> <property name="password">secret</property> <property name="initialPoolSize">5</property> <property name="maxPoolSize">10</property> <property name="checkoutTimeout">3000</property> </default-config> <named-config name="otherc3p0"> //也可以自己命名 </named-config> </c3p0-config> ~~~ 命名后需要将名称传入. ~~~ new ComboPooledDataSource("otherc3p0"); ~~~