java连不上mysql8.0问题的解决方法

public static String dbUrl="jdbc:mysql://localhost:3306/websql?useSSL=false&serverTimezone=UTC";

package com.cungudafa;
import java.sql.Connection;
import java.sql.DriverManager;
public class DbUtil {
  public static String dbUrl="jdbc:mysql://localhost:3306/websql?useSSL=false&serverTimezone=UTC";
  public static String dbUserName="root";
  public static String dbPassword="wy123456";
  public static String jdbcName="com.mysql.jdbc.Driver";
  public static Connection getCon() throws Exception {
   Class.forName(jdbcName);
   Connection con=DriverManager.getConnection(dbUrl,dbUserName,dbPassword);
    return con;
  }
  public static void closeCon(Connection con) {
    try {
      if (con != null) {
        con.close();
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}