java连接mysql数据库相关代码

[align=left]import java.sql.DriverManager;
[/align]import java.sql.SQLException;
import com.mysql.jdbc.Connection;public class DBCon {
 private Connection con=null;
   
 public Connection getCon() {
  
  try {
   Class.forName("com.mysql.jdbc.Driver");
   
   con=(Connection)DriverManager.getConnection("jdbc:mysql://localhost:3306/数据库名称?useUnicode=true&characterEncoding=utf-8","用户名", "密码");
   System.out.println("数据库连接成功");
  } catch (ClassNotFoundException e) {
   
   System.out.println("驱动找不到");
   e.printStackTrace();
   
  } catch (SQLException e) {
   
   System.out.println("连接不成功");
   e.printStackTrace();
  }
  return con;
 }
 public static void main(String[] args) {
  new DBCon().getCon();
 }}