Go语言视频零基础入门到精通

北软教育

[li]package Servlet；[/li][li]
[/li][li]ervlet;
[/li][li][/li][li]import java.io.IOException;[/li][li]import java.io.PrintWriter;[/li][li]import java.sql.Connection;[/li][li]import java.sql.DriverManager;[/li][li]import java.sql.ResultSet;[/li][li]import java.sql.SQLException;[/li][li]import java.sql.Statement;[/li][li][/li][li]import javax.servlet.ServletContext;[/li][li]import javax.servlet.ServletException;[/li][li]import javax.servlet.http.HttpServlet;[/li][li]import javax.servlet.http.HttpServletRequest;[/li][li]import javax.servlet.http.HttpServletResponse;[/li][li][/li][li]public class ListServlet extends HttpServlet[/li][li]{[/li][li]    private String url;[/li][li]    private String user;[/li][li]    private String password;[/li][li][/li][li]    public void init() throws ServletException[/li][li]    {[/li][li]        ServletContext sc=getServletContext();[/li][li]        String driverClass=sc.getInitParameter("driverClass");[/li][li]        url=sc.getInitParameter("url");[/li][li]        user=sc.getInitParameter("user");[/li][li]        password=sc.getInitParameter("password");[/li][li]        try[/li][li]        {[/li][li]            Class.forName(driverClass);[/li][li][/li][li]        }[/li][li]        catch(ClassNotFoundException ce)[/li][li]        {[/li][li]            throw new ServletException("加载数据库驱动失败！");[/li][li]        }[/li][li]    }[/li]