c3p0数据库连接池

xml version="1.0" encoding="UTF-8"?> <c3p0-config> <!-- This app is massive! --> <named-config name="c3p0"> <property name="user">root</property> <property name="password">root</property> <property name="driverClass">com.mysql.jdbc.Driver</property> <property name="jdbcUrl">jdbc:mysql://127.0.0.1:3306/hibernate </property> <!-- 若数据库连接不足时一次性向数据库申请多少连接 --> <property name="acquireIncrement">5</property> <property name="initialPoolSize">5</property> <property name="minPoolSize">5</property> <property name="maxPoolSize">10</property> </named-config> </c3p0-config>

4、编写测试

@Test
    public void testC3p0() {
        DataSource ds = new ComboPooledDataSource("c3p0");
        try {
            System.out.println(ds.getConnection());
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

 

c3p0数据库连接池

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