import java.sql.Connection;
import java.sql.DriverManager;

public class Test {
  public static void main(String[] args) {
    String driverName = "com.mysql.cj.jdbc.Driver";
    
    String dbURL="jdbc:mysql://localhost:3306/websql"; //websql为数据库名
    
    String userName = "root";
    
    String userPwd = "root";
    
    try {
      Class.forName(driverName);
      
      Connection con= DriverManager.getConnection(dbURL, userName, userPwd);
      
      System.out.println("连接数据库成功");
      
    } catch (Exception e) {

      e.printStackTrace();

      System.out.print("连接失败");

    }
  }

}