javaweb怎么连接mysql数据库

package com.hu.demo

import java.sql.Connection

import java.sql.DriverManager

import java.sql.PreparedStatement

import java.sql.SQLException

public class DBHelper {

public static final String url = "jdbc:mysql://127.0.0.1/student"

public static final String name = "com.mysql.jdbc.Driver"

public static final String user = "root"

public static final String password = "root"

public Connection conn = null

public PreparedStatement pst = null

public DBHelper(String sql) {

try {

Class.forName(name)//指定连接类型

conn = DriverManager.getConnection(url, user, password)//获取连接

pst = conn.prepareStatement(sql)//准备执行语句

} catch (Exception e) {

e.printStackTrace()

}

}

public void close() {

try {

this.conn.close()

this.pst.close()

} catch (SQLException e) {

e.printStackTrace()

}

}

}

'Conn_String="Provider=SQLOLEDBData Source=.Initial Catalog=dataUser ID=saPassword="

Set Conn=Server.CreateObject("ADODB.Connection")

Conn.Open Conn_String