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import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class JdbcUtill {
public static Connection getConnection() {
String url = "jdbc:oracle:thin:@localhost:1521:XE";
String user = "comstudy21";
String password = "comstudy21";
return getConnection(url, user, password);
}
public static Connection getConnection(String url, String user, String password) {
// oracle.jdbc.driver 팩키지의 OracleDriver를 선택한다.
Connection conn = null;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
conn = DriverManager.getConnection(url, user, password);
// System.out.println(conn);
} catch (ClassNotFoundException e) {
System.out.println("검색실패");
e.printStackTrace();
} catch (SQLException e) {
System.out.println("접속실패");
e.printStackTrace();
}
return conn;
}
public static void close(Connection conn) {
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
public static void close(ResultSet rs) {
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
public static void close(Statement stmt) {
if (stmt != null) {
try {
stmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
public static void close(Connection conn, Statement stmt, ResultSet rs) {
close(rs);
close(stmt);
close(conn);
}
public static void main(String[] args) {
Connection conn = JdbcUtill.getConnection("jdbc:oracle:thin:@localhost:1521:XE", "comstudy21", "comstudy21");
System.out.println(conn);
Connection conn2= JdbcUtill.getConnection();
System.out.println(conn2);
}
}
|
cs |
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