Hibernate c3p0连接池的配置详解
Hibernate c3p0连接池配置。只需要在Hibernate 配置文件中加入这段代码。红字部分：

<property name="show_sql">false</property>
<property name="format_sql">true</property>
<property name="c3p0.min_size">5</property>
<property name="c3p0.max_size">30</property>
<property name="c3p0.time_out">1800</property>
<property name="c3p0.max_statement">50</property>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://localhost:3306/chat</property>
<property name="connection.username">root</property>
<property name="connection.password">123456</property>

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需要加入jar包--c3p0-0.8.4.5.jar


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