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阿昆同学的Java学习日记Day5

幺幺零 2022-04-27 阅读 68
java

数据连接池的学习

public class DruidDemo {
    public static void main(String[] args) throws Exception {
        //1.导入jar包

        //2.定义配置文件

        //3.加载配置文件
        Properties prop = new Properties();
        prop.load(new FileInputStream("src/druid.propertise"));
        //4.获取连接池对象
        DataSource dataSource = DruidDataSourceFactory.createDataSource(prop);
        //5.获取数据库连接Connection
        Connection connection = dataSource.getConnection();
        System.out.println(connection);
    }
}

配置文件

driverClassName=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/student?characterEncoding=utf-8
username=root
password=887602
filters=stat
initialSize=5
maxActive=10
maxWait=60000
timeBetweenEvictionRunsMillis=60000
minEvictableIdleTimeMillis=300000
validationQuery=SELECT 1
testWhileIdle=true
testOnBorrow=false
testOnReturn=false
poolPreparedStatements=false
maxPoolPreparedStatementPerConnectionSize=200
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