爬虫简介 什么是爬虫？爬虫：就是抓取网页数据的程序。HTTP和HTTPSHTTP协议（HyperText Transfer Protocol，超文本传输协议）：是一种发布和接收 HTML页面的方法。HTTPS（Hypertext Transfer Protocol over Secure Socket Layer）简单讲是HTTP的安全版，在HTTP下加入SSL层。SSL（Secure
using System; using System.Xml; using System.Text; using System.Net; using System.IO; using System.Collections; using System.Text.RegularExpressions; public class App { public static void Main() { string strCode; ArrayList alLinks; Console.Write("请输入一个网页地址："); string strURL = Console.ReadLine(); if(
using System; using System.Xml; using System.Text; using System.Net; using System.IO; using System.Collections; using System.Text.RegularExpressions; public class App { public static void Main() { str
using System; using System.Xml; using System.Text; using System.Net; using System.IO; using System.Collections; using System.Text.RegularExpressions; public class App { public static void Main() { str
