jar包导入；
代码：
<%@ page language="java" import="java.util.*" pageEncoding="gb2312" %> <%@ page import ="java.sql.Connection" %> <%@ page import ="java.sql.DriverManager" %> <%@ page import ="java.sql.ResultSet" %> <%@ page import ="java.sql.SQLException" %> <%@ page import ="java.sql.DriverManager" %> <%@ page import="java.sql.Statement" %> <html> <body> <% Connection con; Statement sql; ResultSet rs; try{Class.forName("com.mysql.jdbc.Driver").newInstance();} catch(Exception e){out.print(e);} try{ String uri="jdbc:mysql://localhost:3306/mysql"; con=DriverManager.getConnection(uri,"root","×××××××"); sql=con.createStatement(); rs=sql.executeQuery("SELECT Host,User FROM user"); out.print("<table border=2>"); out.print("<tr>"); out.print("<th width=100>"+"Host"); out.print("<th width=100>"+"User"); out.print("</tr>"); while(rs.next()){ out.print("<tr>"); out.print("<td>"+rs.getString(1)+"</td>"); out.print("<td>"+rs.getString(2)+"</td>"); out.print("</tr>"); } out.print("</table>"); con.close(); } catch(SQLException e1){out.print(e1);} %> </body> </html>