Swing student management system Java source code case, swing student management system
Some code is as follows:
package com.student.util;import java.sql.Connection;import java.sql.DriverManager;import java.sql.SQLException;public class DbUtil { private String dbUrl="jdbc:mysql://localhost:3306/db_student"; private String user="root"; private String password="123456"; private String jdbcName="com.mysql.jdbc.Driver"; public Connection getCon() throws Exception{ Class.forName(jdbcName); Connection con=DriverManager.getConnection(dbUrl, user, password); return con; } public void close(Connection con)throws Exception{ if(con!=null){ con.close(); } } public static void main(String[] args){ Connection con=null; try { con = new DbUtil().getCon(); System.out.println(con); } catch (Exception e) { e.printStackTrace(); }finally{ if(con!=null){ try { con.close(); } catch (SQLException e) { e.printStackTrace(); } } } }}
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