基于Properties实现配置数据库驱动

package com.kong.JDBCUtils;
 
import java.io.InputStream;
import java.sql.*;
import java.util.Properties;
 
public class MyJDBCUtiles {
  private MyJDBCUtiles(){}
  private static Connection con;
  private static String driver;
  private static String url;
  private static String name;
  private static String password;
  static{
    try {
      InputStream is = MyJDBCUtiles.class.getClassLoader().getResourceAsStream("database.properties");
      Properties properties = new Properties();
      properties.load(is);
      driver = properties.getProperty("driver");
      url = properties.getProperty("url");
      name = properties.getProperty("name");
      password = properties.getProperty("password");
      Class.forName(driver);
      con = DriverManager.getConnection(url, name, password);
    }catch (Exception ep){
      throw new RuntimeException(ep+"数据库连接失败");
    }
  }
  public static Connection getConnection(){
    return con;
  }