package cn.ng.db;import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet;public class DbConnect {private final String url = "jdbc:oracle:thin:@服務(wù)器IP地址:1521:數(shù)據(jù)庫名";private final String className = "oracle.jdbc.driver.OracleDriver";private final String userName = "用戶名";private final String password = "用戶密碼";private Connection conn = null;public DbConnect() {try {Class.forName(className).newInstance();} catch (InstantiationException e) {e.printStackTrace();} catch (IllegalAccessException e) {e.printStackTrace();} catch (ClassNotFoundException e) {e.printStackTrace();}}// 獲取數(shù)據(jù)庫連接public Connection getCon() {try {conn = DriverManager.getConnection(url, userName, password);} catch (Exception e) {e.printStackTrace();System.out.print("");}return conn;}// 關(guān)閉數(shù)據(jù)庫public void close(Connection conn, PreparedStatement ps, ResultSet rs) {try {if (rs != null)rs.close();} catch (Exception e) {e.printStackTrace();} finally {try {if (ps != null)ps.close();} catch (Exception e2) {e2.printStackTrace();} finally {try {if (conn != null)conn.close();} catch (Exception e3) {e3.printStackTrace();}}}} }

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