【C#源代码】查询alexa全球，中国排名，google pr，google收录和百度收录及快照
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发一个C#源代码，可以查询alexa全球，中国排名，google pr，google收录和百度收录及快照，方便友链时查询这个网站是否被google或者百度惩罚过。
示例效果查看alexa排名，google page rank，google收录，百度收录和百度快照
using System;using System.Text;using System.Net;using System.IO;using System.Text.RegularExpressions;namespace LibrarySEO{ /// <summary> /// ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ /// Copyright (C) http://www.taobaonzpd.com/ http://www.tbshc.com http://www.tb10go.coom http://www.anmmoqi10.com/ http://www.hainandh.com/ /// 文件名：LibrarySEO /// 作 者：李文辉 /// 日 期：2011.12.15 /// 描 述：查询alexa全球，中国排名，google pr，google收录和百度收录及快照 /// 版 本：李文辉-SEO分析工具 V1.0 /// Email:jokeyhui@163.com /// 修改历史纪录 /// 版 本 修改时间 修改人 修改内容 /// ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ /// </summary> public class SEOHelper { } /// <summary> /// 下载信息url的html内容的类 /// </summary> public class Net { /// <summary> /// 创建URI /// </summary> /// <param name="u"></param> /// <returns></returns> public static Uri CreatUri(string u) { if (string.IsNullOrEmpty(u)) return null; else { u = u.Trim('/', ' ').ToLower(); if (!u.StartsWith("http://") && !u.StartsWith("https://")) u = "http://" + u; try { return new Uri(u); } catch { return null; } } } /// <summary> /// 使用webclient /// </summary> /// <param name="url"></param> /// <returns></returns> public static string GetHtml(string url) { string html = null; WebClient wc = new WebClient(); try { html = wc.DownloadString(url); } catch { } wc.Dispose(); return html; } /// <summary> /// 使用HttpWebRequest对象 /// </summary> /// <param name="url"></param> /// <param name="encoding">编码</param> /// <returns></returns> public static string GetHtml(string url, Encoding encoding) { HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url); string html = null; try { HttpWebResponse response = (HttpWebResponse)request.GetResponse(); StreamReader srd = new StreamReader(response.GetResponseStream(), encoding); html = srd.ReadToEnd(); srd.Close(); response.Close(); } catch { } return html; } } /// <summary> /// 获取google pageran的类 /// </summary> public class GooglePR { private static string tryMore(string strUrl) { //string sURL = "http://toolbarqueries.google.com/search?client=navclient-auto&ch=" + GetPR(strUrl) + "&ie=UTF-8&oe=UTF-8&features=Rank&q=info:" + System.Web.HttpUtility.UrlEncode(strUrl); string sURL = "http://toolbarqueries.google.com/tbr?client=navclient-auto&features=Rank&ch=" + GetPR(strUrl) + "&q=info:" + System.Web.HttpUtility.UrlEncode(strUrl); string result = Net.GetHtml(sURL); if (result != null) { result = result.Trim(); if (result.IndexOf(':') > 0) { string[] pr = result.Split(':'); if (pr.Length == 3) return pr[2].ToString(); } } return "0"; } public static string GetPageRank(string strUrl) { string pr = "0"; if (!string.IsNullOrEmpty(strUrl)) { Uri u = Net.CreatUri(strUrl); if (u != null) { string host = u.Host, path = u.PathAndQuery; if (path == "/") { //查询主域名，非路径.其他2级域名只进行一次查询. //如果是顶级域名或者www2级域名，得到的值为0时，查询www2级域名或者顶级域名，然后再试http:// string[] arr = host.Split('.'); if (arr[0] == "www" || arr.Length == 2) { pr = tryMore(host); if (pr == "0") { pr = tryMore(arr.Length == 2 ? "www." + host : host.Replace("www.", "")); if (pr == "0") { pr = tryMore("http://" + host); if (pr == "0") pr = tryMore("http://" + (arr.Length == 2 ? "www." + host : host.Replace("www.", ""))); } } } else { pr = tryMore(u.Host); if (pr == "0") pr = tryMore("http://" + u.Host); } } else//查询路径 { pr = tryMore(u.Host + path); if (pr == "0") pr = tryMore("http://" + u.Host + path); } } } return pr; } private static string GetPR(string url) { url = "info:" + url; string ch = GoogleCH(str_asc(url)).ToString(); ch = "6" + ch; return ch; } private static int[] str_asc(string str) { if (str == null || str == string.Empty) return null; int[] result = new int[str.Length]; for (int i = 0; i < str.Length; i++) result[i] = (int)str[i]; return result; } private static long yiweitwo(long a, long b) { long z = 0x80000000; if ((z & a) != 0) { a = (a >> 1); a &= (~z); a |= 0x40000000; a = ((int)a >> (int)(b - 1)); } else { a = ((int)a >> (int)b); } return a; } private static int[] yiwei(long a, long b, long c) { a -= b; a -= c; a ^= (yiweitwo(c, 13)); b -= c; b -= a; b ^= (a << 8); c -= a; c -= b; c ^= (yiweitwo(b, 13)); a -= b; a -= c; a ^= (yiweitwo(c, 12)); b -= c; b -= a; b ^= (a << 16); c -= a; c -= b; c ^= (yiweitwo(b, 5)); a -= b; a -= c; a ^= (yiweitwo(c, 3)); b -= c; b -= a; b ^= (a << 10); c -= a; c -= b; c ^= (yiweitwo(b, 15)); return new int[] { (int)a, (int)b, (int)c }; } private static int GoogleCH(int[] url) { int length = url.Length; long a = 0x9E3779B9; long b = 0x9E3779B9; long c = 0xE6359A60; int k = 0; int len = length; int[] mid; while (len >= 12) { a += (url[k + 0] + (url[k + 1] << 8) + (url[k + 2] << 16) + (url[k + 3] << 24)); b += (url[k + 4] + (url[k + 5] << 8) + (url[k + 6] << 16) + (url[k + 7] << 24)); c += (url[k + 8] + (url[k + 9] << 8) + (url[k + 10] << 16) + (url[k + 11] << 24)); mid = yiwei(a, b, c); a = mid[0]; b = mid[1]; c = mid[2]; k += 12; len -= 12; } c += length; switch (len) { case 11: { c += (url[k + 10] << 24); c += (url[k + 9] << 16); c += (url[k + 8] << 8); b += (url[k + 7] << 24); b += (url[k + 6] << 16); b += (url[k + 5] << 8); b += (url[k + 4]); a += (url[k + 3] << 24); a += (url[k + 2] << 16); a += (url[k + 1] << 8); a += (url[k + 0]); break; } case 10: { c += (url[k + 9] << 16); c += (url[k + 8] << 8); b += (url[k + 7] << 24); b += (url[k + 6] << 16); b += (url[k + 5] << 8); b += (url[k + 4]); a += (url[k + 3] << 24); a += (url[k + 2] << 16); a += (url[k + 1] << 8); a += (url[k + 0]); break; } case 9: { c += (url[k + 8] << 8); b += (url[k + 7] << 24); b += (url[k + 6] << 16); b += (url[k + 5] << 8); b += (url[k + 4]); a += (url[k + 3] << 24); a += (url[k + 2] << 16); a += (url[k + 1] << 8); a += (url[k + 0]); break; } case 8: { b += (url[k + 7] << 24); b += (url[k + 6] << 16); b += (url[k + 5] << 8); b += (url[k + 4]); a += (url[k + 3] << 24); a += (url[k + 2] << 16); a += (url[k + 1] << 8); a += (url[k + 0]); break; } case 7: { b += (url[k + 6] << 16); b += (url[k + 5] << 8); b += (url[k + 4]); a += (url[k + 3] << 24); a += (url[k + 2] << 16); a += (url[k + 1] << 8); a += (url[k + 0]); break; } case 6: { b += (url[k + 5] << 8); b += (url[k + 4]); a += (url[k + 3] << 24); a += (url[k + 2] << 16); a += (url[k + 1] << 8); a += (url[k + 0]); break; } case 5: { b += (url[k + 4]); a += (url[k + 3] << 24); a += (url[k + 2] << 16); a += (url[k + 1] << 8); a += (url[k + 0]); break; } case 4: { a += (url[k + 3] << 24); a += (url[k + 2] << 16); a += (url[k + 1] << 8); a += (url[k + 0]); break; } case 3: { a += (url[k + 2] << 16); a += (url[k + 1] << 8); a += (url[k + 0]); break; } case 2: { a += (url[k + 1] << 8); a += (url[k + 0]); break; } case 1: { a += (url[k + 0]); break; } } mid = yiwei(a, b, c); return mid[2]; } } /// <summary> /// 获取Alexa排名 /// </summary> public class Alexa { /// <summary> /// 通过API接口获取数据，只能获取全球排名 /// </summary> /// <param name="u"></param> /// <returns></returns> public static string API(string u) { string rank = "NaN"; try { string xmlString = LibrarySEO.Net.GetHtml("http://data.alexa.com/data/+wQ411en8000lA?cli=10&dat=snba&ver=7.0&cdt=alx_vw=20&" + "wid=12206&act=00000000000&ss=1680x1050&bw=964&t=0&ttl=35371&vis=1&rq=4&url=" + u); Match m = Regex.Match(xmlString, "<POPULARITY URL=\"\\s*.+?\\s*\" TEXT=\"\\s*(\\d+)\\s*\"/>" , RegexOptions.IgnoreCase | RegexOptions.Compiled); if (m.Groups[1].Value != "") rank = m.Groups[1].Value; } catch { } return rank; } /// <summary> /// 直接从alexa的网站下载html代码分析，获取中国及世界排名，返回内容为json /// </summary> /// <param name="u"></param> /// <returns></returns> public static string Latest(string u) { string rank = "{rank:'{0}',cnrank:'{1}'}"; try { string htmlString = LibrarySEO.Net.GetHtml("http://www.alexa.com/siteinfo/" + u); Match m = Regex.Match(htmlString, "<th>3\\s*month</th>\\s*<td class=\"avg\\s*\">\\s*([\\d,]+)\\s*</td>" , RegexOptions.IgnoreCase | RegexOptions.Compiled); rank = rank.Replace("{0}", m.Groups[1].Value); m = Regex.Match(htmlString, "class=\"data\">\\s*<img[^>]+>\\s*([\\d,]+)\\s*</div>" , RegexOptions.IgnoreCase | RegexOptions.Compiled); rank = rank.Replace("{1}", m.Groups[1].Value); } catch { rank = "{rank:'NaN',cnrank:'NaN'}"; } return rank; } } /// <summary> /// 获取google和百度收录数量，为百时同时返回快找时间 /// </summary> public class GoogleBaiduIndex { /// <summary> /// 获取数据 /// </summary> /// <param name="u"></param> /// <param name="isGG"></param> /// <param name="isJson">是否返回json格式的数据，否则返回用|分隔的数据</param> /// <returns></returns> public static string IndexGoogleBaidu(string u, bool isGG, bool isJson) { string rst = "", html = ""; u = (isGG ? "http://www.google.com.hk/search?q=" : "http://www.baidu.com/s?wd=") + "site%3A" + u; html = LibrarySEO.Net.GetHtml(u, isGG ? Encoding.GetEncoding(950) : Encoding.GetEncoding(936)); if (html != null) {//找到约 4,210 条结果 Regex r = new Regex(isGG ? @"共約\s*<b>([\d,]+)</b>\s*筆" : @"找到相关结果约?\s*([\d,]+)\s*个", RegexOptions.Compiled); Match m = r.Match(html); if (isGG) rst = isJson ? "{gg:'" + m.Groups[1].Value + "'}" : m.Groups[1].Value; else rst = isJson ? "{bd:'" + m.Groups[1].Value + "',bdTime:'" + Regex.Match(html, @"/\s*(\d{4}(-\d{1,2}){2})", RegexOptions.Compiled).Groups[1].Value + "'}" : m.Groups[1].Value + "|" + Regex.Match(html, @"/\s*(\d{4}(-\d{1,2}){2})", RegexOptions.Compiled).Groups[1].Value; } else rst = "{success:false}"; return rst; } } /// <summary> /// 获取百度权重 /// </summary> public class BaiduWeight { /// <summary> /// 获取权重 /// </summary> /// <param name="u"></param> /// <returns></returns> public static string Weight(string u) { string w = "n"; if (!string.IsNullOrEmpty(u)) { Uri uri = Net.CreatUri(u); if (uri != null) { string html = Net.GetHtml("http://www.aizhan.com/getbr.php?url=" + uri.Host.Replace("www.", "") + "&style=1"); if (html != null) w = Regex.Match(html, @">([n\d])</a>", RegexOptions.IgnoreCase | RegexOptions.Compiled).Groups[1].Value; if (w == "") w = "n"; } } return w; } }}- 【C#源代码】查询alexa全球，中国排名，google pr，google收录和百度收录及快照
- 查询alexa全球，中国排名，google pr，google收录和百度收录及快照 【C#源代码】
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