DBCP与C3P0

public class MyDbcp {
	private Connection conn;
	private PreparedStatement ps;
	private ResultSet rs;

	public static void main(String[] args) {
		MyDbcp dbcp = new MyDbcp();
		dbcp.testDbcp();
		dbcp.testDbcp2();// 使用文件属性的配置方式实现
	}

	private void testDbcp2() {
		// 创建Properties类
		Properties pro = new Properties();
		// 获取文件流
		InputStream in = MyDbcp.class.getResourceAsStream("db.properties");
		// 加载属性配置文件
		try {
			pro.load(in);
			BasicDataSource dataSource = new BasicDataSource();
			conn = dataSource.getConnection();
			conn.prepareStatement("delete * from where id=" + '1' + "")
					.executeUpdate();
			conn.close();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}

	private void testDbcp() {
		// 创建dbcp连接池核心类
		BasicDataSource dataSource = new BasicDataSource();
		dataSource.setUrl("jdbc:mysql:///bank");
		dataSource.setDriverClassName("com.mysql.jdbc.driver");
		dataSource.setUsername("root");
		dataSource.setPassword("123456");
		// 初始化连接
		dataSource.setInitialSize(3);
		// 最大连接
		dataSource.setMaxActive(6);
		// 最大空闲时间
		dataSource.setMaxIdle(3000);
		try {
			conn = dataSource.getConnection();
			if (conn != null) {
				System.out.println(conn);
			}
			int i = conn.prepareStatement("delete * from where id=" + '1' + "")
					.executeUpdate();
			if (i > 0) {
				System.out.println("删除成功！");
			}
			conn.close();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}
}