package com.yzu.daydayrun.db; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; public class DBUtil { private static String DriverClass; private static String url; private static String user; private static String password; static{ DriverClass ="com.mysql.jdbc.Driver"; url ="jdbc:mysql://localhost:3306/daydayrun?serverTimezone=UTC"; user ="root"; password = "123456"; try { Class.forName(DriverClass); } catch (ClassNotFoundException e) { e.printStackTrace(); } } public static Connection getConnection() throws Exception{ return DriverManager.getConnection(url,user,password); } public static void closeAll(ResultSet rs, Statement stmt, Connection conn) { if(rs!=null) { try{ rs.close(); } catch(Exception e){ e.printStackTrace(); } } if(stmt!=null) { try{ stmt.close(); } catch(Exception e){ e.printStackTrace(); } } if(conn!=null) { try{ conn.close(); } catch(Exception e){ e.printStackTrace(); } } } }