java 链接oracle 数据库

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package export.util;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Properties;
public class DBUtil {
private static String url;
private static String driver;
private static String user;
private static String password;
/**
* driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/mydb
username=root
password=root
*/
static{
InputStream inputStream =
DBUtil.class.getClassLoader().getResourceAsStream("export/util/db.properties");
Properties proper = new Properties();
try {
proper.load(inputStream);
driver = proper.getProperty("driver");
url = proper.getProperty("url");
user = proper.getProperty("username");
password = proper.getProperty("password");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static Connection getConn(){
Connection conn = null;
try {
Class.forName(driver);
conn = DriverManager.getConnection(url, user, password);
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return conn;
}
}