mysql 之通过配置文件链接数据库

##MySQL
driver=com.mysql.jdbc.Driver
url=jdbc\:mysql\:///ake"htmlcode">

package Studying.d15;

import java.io.FileInputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.util.Properties;

public class ConnUtils {
  private static Connection con = null;

  static{
    try {
      Properties p = new Properties();
      p.load( new FileInputStream("jdbc.properties") );
      String driver = p.getProperty("driver");
      String url = p.getProperty("url");
      String username = p.getProperty("username");
      String password = p.getProperty("password");
      System.out.println(url+","+driver);
      Class.forName(driver);
      con = DriverManager.getConnection(url, username, password);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
  public static Connection getConnection(){
    return con;
  }
}




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