编译出错请各位哥哥姐姐帮帮忙

编译出错请各位哥哥姐姐帮帮忙
原程序
package com.jspdev.ch5;
import com.microsoft.jdbc.sqlserver.SQLServerDriver;
import java.sql.*;

public class UserRegist
{
private UserInfo userInfo;
private Connection con;

//获得数据库连接。
public UserRegist()
{
String CLASSFORNAME="com.microsoft.jdbc.sqlserver.SQLServerDriver";
String SERVANDDB="jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=jspdev";
String USER="sa";
String PWD="1980";
try
{

Class.forName(CLASSFORNAME);
con = DriverManager.getConnection(SERVANDDB,USER,PWD);
}
catch(Exception e)
{
e.printStackTrace();
}
}
//设置待注册的用户信息。
public void setUserInfo(UserInfo userInfo)
{
this.userInfo=userInfo;
}

//进行注册
public void regist()throws Exception
{
String reg="insert into user_Info values(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";

try
{
PreparedStatement pstmt=con.prepareStatement(reg);
pstmt.setString(1,userInfo.getUserid());
pstmt.setString(2,userInfo.getName());
pstmt.setString(3,userInfo.getPhone());
pstmt.setString(4,userInfo.getStreet());
pstmt.setString(5,userInfo.getState());
pstmt.setString(7,userInfo.getCity());
pstmt.setString(6,userInfo.getZipCode());
pstmt.setString(8,userInfo.getEmail());
pstmt.setString(9,userInfo.getCardNumber());
pstmt.setInt(10,userInfo.getCardType());
pstmt.setInt(11,0);
pstmt.setDate(12,new java.sql.Date(new java.util.Date().getTime()));
pstmt.setInt(13,1);
pstmt.setInt(14,0);
pstmt.setString(15,userInfo.getFanvcategory());
pstmt.setString(16,userInfo.getPassword());
pstmt.executeUpdate();
}
catch(Exception e)
{
e.printStackTrace();
throw e;
}
}
}
出错提示

D:\jakarta-tomcat-5.0.29\webapps\jsp-examples\tomwen\WEB-INF\classes>javac Usegist.java
UserRegist.java:2: package com.microsoft.jdbc.sqlserver does not exist
import com.microsoft.jdbc.sqlserver.SQLServerDriver;
^
1 error