driver = oracle.jdbc.driver.OracleDriver
url = jdbc:oracle:thin:@192.168.10.105:1521:orcl
user = LF
password = LF
import java.io.InputStream;
import java.sql.Connection;
import java.sql.Driver; import java.util.Properties; import org.junit.Test; public class Demo { @Test
public void test2() throws Exception{
//IO流读取jdbc.properties文件
InputStream in = getClass().getClassLoader().getResourceAsStream("jdbc.properties");
// 读取参数
Properties p = new Properties();
p.load(in);
String driver=p.getProperty("driver");
String url = p.getProperty("url");
String user = p.getProperty("user");
String password = p.getProperty("password");
// 创建连接(通过反射机制)
Driver d = (Driver)Class.forName(driver).newInstance();
// 配置账号密码
Properties info = new Properties();
info.put("user", user);
info.put("password", password);
// 2 调用driver的connect()方法连接数据库
Connection con = d.connect(url, info);
System.out.println(con);
}
}