Python抓取JSON网页内容

# -*- coding: UTF-8 -*-
'''
Created on 20150206

@author: Hansen
'''

import urllib2
import sys
import io
import json

#Fetch HTML from URL
def fecth_html(index,url,keepHtml,resultFile):
    req = urllib2.Request(url)
    req.add_header('User-Agent','Mozilla/5.0 (Windows NT 6.2; rv:16.0) Gecko/20100101 Firefox/16.0')
    rsp = urllib2.urlopen(req)
    content = rsp.read()
    #receive_header = rsp.info()
    #print(sys.getfilesystemencoding())
    #content = content.decode('utf-8','replace')
    
    if keepHtml:
        fileinfo = open(str(index)+'.html','w')
        fileinfo.write(content)
        print("save file "+ str(index)+'.html:    ok')
        
    parse_json(content,resultFile)
    
#Parse HTML
def parse_json(content,resultFile):
    jsonData = json.loads(content)
    shops = jsonData['shopBeans']
    print(len(shops))
    for shop in shops:
        szTitle = shop['filterFullName']
        szTitle = szTitle.replace("\r\n", "-").replace(" ","");
        szStar = shop['shopPowerTitle']
        szMeanPrice = str(shop['avgPrice'])
        szMeanPrice = szMeanPrice.replace("\n", "").replace(" ","");
        szAddressA = shop['mainRegionName']
        szAddressB = shop['address']
        szAddress = (szAddressA+"-"+szAddressB).replace("\r\n", "-").replace(" ","");
        szTaste = shop['refinedScore1']
        szEvn = shop['refinedScore2']
        szService = shop['refinedScore3']
        
        fileinfo = io.open(resultFile,'a',encoding='utf_16')
        fileinfo.write(szTitle+","+szStar+","+szMeanPrice+","+szAddress+"," +szTaste+","+szEvn+","+szService+"\n")

CSharp抓取JSON网页内容

    using Newtonsoft.Json;
    using DaZhongDianPing.JsonBeans;

    class JsonCrawler
    {
        private PhaseResultBean PhaseJson(Uri uri, String szResultPath, String szErrorPath)
        {
            PhaseResultBean result = new PhaseResultBean();

            try
            {
                //取回网页
                WebClient client = new WebClient();
                client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");
                Byte[] pageData = client.DownloadData(uri);
                string pageHtml = Encoding.UTF8.GetString(pageData);
                JsonBeans.TopShopsBean topShops = JsonConvert.DeserializeObject<JsonBeans.TopShopsBean>(pageHtml);

                //分析Json
                int len = topShops.ShopBeans.Length;
                result.total = len;

                foreach (ShopBean shop in topShops.ShopBeans)
                {
                    try
                    {
                        String szTitle = shop.FilterFullName;
                        if (szTitle != null) szTitle = szTitle.Replace("\r\n", "-");
                        String szStar = shop.ShopPowerTitle;
                        String szMeanPrice = shop.AvgPrice.ToString();
                        String szRegionName = shop.MainRegionName;
                        String szAddress = shop.Address;
                        if (szAddress != null) szAddress.Replace(",", "-");

                        String szTaste = shop.RefinedScore1;
                        String szEvn = shop.RefinedScore2;
                        String szService = shop.RefinedScore3;

                        //将获取的内容写入文本
                        using (StreamWriter sw = new StreamWriter(szResultPath, true))
                        {
                            sw.WriteLine(szTitle + "," + szStar + "," + szMeanPrice + "," + szRegionName + "," + szAddress + "," + szTaste + "," + szEvn + "," + szService);
                        }

                        result.successed += 1;
                    }
                    catch (Exception Ex)
                    {
                        using (StreamWriter sw = new StreamWriter(szErrorPath, true))
                        {
                            sw.WriteLine(Ex.Message);
                        } 
                        result.failed += 1;
                    }
                }
            }
            catch (WebException webEx)
            {
                using (StreamWriter sw = new StreamWriter(szErrorPath, true))
                {
                    sw.WriteLine(webEx.Message);
                }
                result.bSuccess = false;
            }

            return result;
        }
    }

    class PhaseResultBean
    {
        public Boolean bSuccess;
        public int total;
        public int successed;
        public int failed;
    }

    public enum JsonEnginType
    {
        JsonEngin_Newtonsoft
    }

    internal class ShopBean
    {

        [JsonProperty("addDate")]
        public string AddDate { get; set; }

        [JsonProperty("addUser")]
        public object AddUser { get; set; }

        [JsonProperty("addUserName")]
        public object AddUserName { get; set; }

        [JsonProperty("address")]
        public string Address { get; set; }

        [JsonProperty("altName")]
        public string AltName { get; set; }

        [JsonProperty("avgPrice")]
        public int AvgPrice { get; set; }

        [JsonProperty("branchName")]
        public string BranchName { get; set; }

        [JsonProperty("branchTotal")]
        public int BranchTotal { get; set; }

        [JsonProperty("businessHours")]
        public string BusinessHours { get; set; }

        [JsonProperty("canSendSms")]
        public object CanSendSms { get; set; }

        [JsonProperty("categoryId")]
        public int CategoryId { get; set; }

        [JsonProperty("cityId")]
        public int CityId { get; set; }

        [JsonProperty("crossRoad")]
        public string CrossRoad { get; set; }

        [JsonProperty("defaultPic")]
        public string DefaultPic { get; set; }

        [JsonProperty("defaultPicBig")]
        public object DefaultPicBig { get; set; }

        [JsonProperty("dishTagList")]
        public string[][] DishTagList { get; set; }

        [JsonProperty("dishTags")]
        public string DishTags { get; set; }

        [JsonProperty("district")]
        public int District { get; set; }

        [JsonProperty("districtName")]
        public object DistrictName { get; set; }

        [JsonProperty("filterFullAdress")]
        public string FilterFullAdress { get; set; }

        [JsonProperty("filterFullName")]
        public string FilterFullName { get; set; }

        [JsonProperty("firstReviewId")]
        public int FirstReviewId { get; set; }

        [JsonProperty("firstUserFace")]
        public object FirstUserFace { get; set; }

        [JsonProperty("firstUserNickName")]
        public object FirstUserNickName { get; set; }

        [JsonProperty("fullAdress")]
        public string FullAdress { get; set; }

        [JsonProperty("fullName")]
        public string FullName { get; set; }

        [JsonProperty("glat")]
        public object Glat { get; set; }

        [JsonProperty("glng")]
        public object Glng { get; set; }

        [JsonProperty("groupFlag")]
        public object GroupFlag { get; set; }

        [JsonProperty("hasStaticMap")]
        public object HasStaticMap { get; set; }

        [JsonProperty("hits")]
        public int Hits { get; set; }

        [JsonProperty("isUserCanUpdate")]
        public object IsUserCanUpdate { get; set; }

        [JsonProperty("lastDate")]
        public string LastDate { get; set; }

        [JsonProperty("lastIp")]
        public object LastIp { get; set; }

        [JsonProperty("lastUser")]
        public object LastUser { get; set; }

        [JsonProperty("lastUserName")]
        public object LastUserName { get; set; }

        [JsonProperty("mainCategoryId")]
        public int MainCategoryId { get; set; }

        [JsonProperty("mainCategoryName")]
        public object MainCategoryName { get; set; }

        [JsonProperty("mainRegionId")]
        public int MainRegionId { get; set; }

        [JsonProperty("mainRegionName")]
        public string MainRegionName { get; set; }

        [JsonProperty("minUserMana")]
        public object MinUserMana { get; set; }

        [JsonProperty("monthlyHits")]
        public int MonthlyHits { get; set; }

        [JsonProperty("nearByTags")]
        public object NearByTags { get; set; }

        [JsonProperty("nearbyShops")]
        public object NearbyShops { get; set; }

        [JsonProperty("oldChainId")]
        public object OldChainId { get; set; }

        [JsonProperty("phoneNo")]
        public string PhoneNo { get; set; }

        [JsonProperty("phoneNo2")]
        public string PhoneNo2 { get; set; }

        [JsonProperty("picTotal")]
        public int PicTotal { get; set; }

        [JsonProperty("popularity")]
        public int Popularity { get; set; }

        [JsonProperty("power")]
        public int Power { get; set; }

        [JsonProperty("prevWeeklyHits")]
        public object PrevWeeklyHits { get; set; }

        [JsonProperty("priceInfo")]
        public object PriceInfo { get; set; }

        [JsonProperty("priceLevel")]
        public int PriceLevel { get; set; }

        [JsonProperty("primaryTag")]
        public string PrimaryTag { get; set; }

        [JsonProperty("promoId")]
        public int PromoId { get; set; }

        [JsonProperty("publicTransit")]
        public string PublicTransit { get; set; }

        [JsonProperty("refinedScore1")]
        public string RefinedScore1 { get; set; }

        [JsonProperty("refinedScore2")]
        public string RefinedScore2 { get; set; }

        [JsonProperty("refinedScore3")]
        public string RefinedScore3 { get; set; }

        [JsonProperty("regionId")]
        public int RegionId { get; set; }

        [JsonProperty("score")]
        public int Score { get; set; }

        [JsonProperty("score1")]
        public int Score1 { get; set; }

        [JsonProperty("score2")]
        public int Score2 { get; set; }

        [JsonProperty("score3")]
        public int Score3 { get; set; }

        [JsonProperty("score4")]
        public int Score4 { get; set; }

        [JsonProperty("searchKeyWord")]
        public object SearchKeyWord { get; set; }

        [JsonProperty("searchName")]
        public object SearchName { get; set; }

        [JsonProperty("shopGroupId")]
        public int ShopGroupId { get; set; }

        [JsonProperty("shopId")]
        public int ShopId { get; set; }

        [JsonProperty("shopName")]
        public string ShopName { get; set; }

        [JsonProperty("shopPower")]
        public int ShopPower { get; set; }

        [JsonProperty("shopPowerTitle")]
        public string ShopPowerTitle { get; set; }

        [JsonProperty("shopTagList")]
        public string[][] ShopTagList { get; set; }

        [JsonProperty("shopTags")]
        public string ShopTags { get; set; }

        [JsonProperty("shopTotalName")]
        public string ShopTotalName { get; set; }

        [JsonProperty("shopType")]
        public int ShopType { get; set; }

        [JsonProperty("similarShops")]
        public object SimilarShops { get; set; }

        [JsonProperty("suggestGA")]
        public object SuggestGA { get; set; }

        [JsonProperty("suggestReason")]
        public object SuggestReason { get; set; }

        [JsonProperty("todayHits")]
        public object TodayHits { get; set; }

        [JsonProperty("voteTotal")]
        public int VoteTotal { get; set; }

        [JsonProperty("webSite")]
        public object WebSite { get; set; }

        [JsonProperty("weeklyHits")]
        public int WeeklyHits { get; set; }

        [JsonProperty("wishTotal")]
        public object WishTotal { get; set; }

        [JsonProperty("writeUp")]
        public string WriteUp { get; set; }
    }

    internal class TopShopsBean
    {

        [JsonProperty("categoryId")]
        public int CategoryId { get; set; }

        [JsonProperty("cityId")]
        public int CityId { get; set; }

        [JsonProperty("maxResults")]
        public int MaxResults { get; set; }

        [JsonProperty("rankType")]
        public int RankType { get; set; }

        [JsonProperty("shopBeans")]
        public ShopBean[] ShopBeans { get; set; }

        [JsonProperty("shopType")]
        public int ShopType { get; set; }

        [JsonProperty("skipResults")]
        public int SkipResults { get; set; }
    }

CSharp抓取HTML网页内容

    using mshtml;
    using HtmlAgilityPack;

    class HTMLCrawler
    {
        private PhaseResultBean PhaseHtml(int index, Uri uri, String szResultPath, String szErrorPath, HTMLEnginType htmlEngin)
        {
            PhaseResultBean result = new PhaseResultBean();
            try
            {
                WebClient client = new WebClient();
                client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");
                Byte[] pageData = client.DownloadData(uri);
                string pageHtml = Encoding.UTF8.GetString(pageData);
                if (checkSavePages.Checked)
                {
                    String szHtmlPath = XWin32.getExeParentPath() + index.ToString()+".html";
                    using (StreamWriter sw = new StreamWriter(szHtmlPath, true))
                    {
                        sw.WriteLine(pageHtml);
                    }
                }

                switch(htmlEngin)
                {
                    case HTMLEnginType.HTMLEngin_mshtml:
                        PhaseHtml_mshtml(pageHtml, szResultPath, szErrorPath, result);
                        break;
                    case HTMLEnginType.HTMLEngin_HtmlAgilityPack:
                        PhaseHtml_HtmlAgilityPack(pageHtml, szResultPath, szErrorPath, result);
                        break;
                }
            }
            catch (WebException webEx)
            {
                using (StreamWriter sw = new StreamWriter(szErrorPath, true))
                {
                    sw.WriteLine(webEx.Message);
                }
                result.bSuccess = false;
            }

            return result;
        }

        private void PhaseHtml_mshtml(String pageHtml, String szResultPath, String szErrorPath, PhaseResultBean result)
        {
            mshtml.HTMLDocument docObject = new mshtml.HTMLDocument();
            mshtml.IHTMLDocument2 doc2 = docObject as mshtml.IHTMLDocument2;
            doc2.write(pageHtml);
            doc2.close();

            mshtml.IHTMLDocument3 doc3 = docObject as mshtml.IHTMLDocument3;

            int len = doc3.getElementById("shop-all-list").children[0].children.length;
            result.total += len;

            foreach (IHTMLElement li in doc3.getElementById("shop-all-list").children[0].children)
            {
                try
                {
                    IHTMLElement title = li.children[1].children[0];
                    String szTitle = title.innerText;
                    if (szTitle != null) szTitle = szTitle.Replace("\r\n", "-");
                    IHTMLElement star = li.children[1].children[1].children[0];
                    String szStar = star.getAttribute("title");
                    IHTMLElement reviewNum = li.children[1].children[1].children[1];
                    String szReviewNum = reviewNum.innerText;
                    IHTMLElement meanPrice = li.children[1].children[1].children[3];
                    String szMeanPrice = meanPrice.innerText;
                    IHTMLElement category = li.children[1].children[2].children[0];
                    String szCategory = category.innerText;
                    IHTMLElement address = li.children[1].children[2].children[3];
                    String szAddress = address.innerText;
                    if (szAddress != null) szAddress.Replace(",", "-");

                    IHTMLElement taste = li.children[1].children[3].children[0];
                    String szTaste = taste.innerText;
                    IHTMLElement evn = li.children[1].children[3].children[1];
                    String szEvn = evn.innerText;
                    IHTMLElement service = li.children[1].children[3].children[2];
                    String szService = service.innerText;

                    //将获取的内容写入文本
                    using (StreamWriter sw = new StreamWriter(szResultPath, true))
                    {
                        sw.WriteLine(szTitle + "," + szStar + "," + szReviewNum + "," + szMeanPrice + "," + szCategory + "," + szAddress + "," + szTaste + "," + szEvn + "," + szService);
                    }
                }
                catch (Exception Ex)
                {
                    using (StreamWriter sw = new StreamWriter(szErrorPath, true))
                    {
                        sw.WriteLine(Ex.Message);
                    }

                    result.failed += 1;
                }

            }
        }

        private void PhaseHtml_HtmlAgilityPack(String pageHtml, String szResultPath, String szErrorPath, PhaseResultBean result)
        {
            HtmlAgilityPack.HtmlDocument doc = new HtmlAgilityPack.HtmlDocument();
            doc.LoadHtml(pageHtml);

            HtmlAgilityPack.HtmlNodeCollection nodes = doc.DocumentNode.SelectNodes("/html[1]/body[1]/div[4]/div[3]/div[1]/div[1]/div[2]/ul[1]/li");
            result.total += nodes.Count;

            foreach (HtmlAgilityPack.HtmlNode li in nodes)
            {
                try
                {
                    HtmlAgilityPack.HtmlNode titleA = li.SelectNodes("div[2]/div[1]/a[1]")[0];
                    HtmlAgilityPack.HtmlNode titleB = li.SelectNodes("div[2]/div[1]/a[2]") == null ? null : li.SelectNodes("div[2]/div[1]/a[2]")[0];
                    String szTitle = (titleA==null?"":titleA.InnerText) + "-" + (titleB == null ? "" : titleB.InnerText);
                    if (szTitle != null) szTitle = szTitle.Replace("\n", "");
                    if (szTitle != null) szTitle = szTitle.Replace(" ", "");

                    HtmlAgilityPack.HtmlNode star = li.SelectNodes("div[2]/div[2]/span[1]")[0];
                    String szStar = star.Attributes["title"].Value.ToString();

                    HtmlAgilityPack.HtmlNode reviewNum = li.SelectNodes("div[2]/div[2]/a[1]")[0];
                    String szReviewNum = reviewNum.InnerText;
                    if (szReviewNum != null) szReviewNum = szReviewNum.Replace("\n", "");
                    if (szReviewNum != null) szReviewNum = szReviewNum.Replace(" ", "");

                    HtmlAgilityPack.HtmlNode meanPrice = li.SelectNodes("div[2]/div[2]/a[2]")[0];
                    String szMeanPrice = meanPrice.InnerText;
                    if (szMeanPrice != null) szMeanPrice = szMeanPrice.Replace("\n", "");
                    if (szMeanPrice != null) szMeanPrice = szMeanPrice.Replace(" ", "");

                    HtmlAgilityPack.HtmlNode category = li.SelectNodes("div[2]/div[3]/a[1]")[0];
                    String szCategory = category.InnerText;

                    HtmlAgilityPack.HtmlNode addressA = li.SelectNodes("div[2]/div[3]/a[2]")[0];
                    HtmlAgilityPack.HtmlNode addressB = li.SelectNodes("div[2]/div[3]/span[1]")[0];
                    String szAddress = addressA.InnerText + "-" + addressB.InnerText;
                    if (szAddress != null) szAddress.Replace(",", "-");

                    HtmlAgilityPack.HtmlNode taste = li.SelectNodes("div[2]/span[1]/span[1]")[0];
                    String szTaste = taste.InnerText;
                    HtmlAgilityPack.HtmlNode evn = li.SelectNodes("div[2]/span[1]/span[2]")[0];
                    String szEvn = evn.InnerText;
                    HtmlAgilityPack.HtmlNode service = li.SelectNodes("div[2]/span[1]/span[3]")[0];
                    String szService = service.InnerText;

                    //将获取的内容写入文本
                    using (StreamWriter sw = new StreamWriter(szResultPath, true))
                    {
                        sw.WriteLine(szTitle + "," + szStar + "," + szReviewNum + "," + szMeanPrice + "," + szCategory + "," + szAddress + "," + szTaste + "," + szEvn + "," + szService);
                    }
                }
                catch (Exception Ex)
                {
                    using (StreamWriter sw = new StreamWriter(szErrorPath, true))
                    {
                        sw.WriteLine(Ex.Message);
                    }

                    result.failed += 1;
                }

            }
        }
    }

    class PhaseResultBean
    {
        public Boolean bSuccess;
        public int total;
        public int successed;
        public int failed;
    }

    public enum HTMLEnginType
    {
        HTMLEngin_mshtml,
        HTMLEngin_HtmlAgilityPack
    }

Python抓取网页内容

1、BeautifulSoup解析网页

'''
Created on 20150203
@author: Hansen
'''

import urllib2
import sys
import io
from bs4 import BeautifulSoup

#Fetch HTML from URL
def fecth_html(index,url,keepHtml,resultFile):
    req = urllib2.Request(url)
    req.add_header('User-Agent','Mozilla/5.0 (Windows NT 6.2; rv:16.0) Gecko/20100101 Firefox/16.0')
    rsp = urllib2.urlopen(req)
    content = rsp.read()
    #receive_header = rsp.info()
    #print(sys.getfilesystemencoding())
    #content = content.decode('utf-8','replace')
    
    if keepHtml:
        fileinfo = open(str(index)+'.html','w')
        fileinfo.write(content)
        print("save file "+ str(index)+'.html:    ok')
        
    parse_html(content,resultFile)
    
#Parse HTML
def parse_html(html,resultFile):
    soup = BeautifulSoup(html,fromEncoding="utf8")
    lis = soup.select('div.shop-all-list li')
    print(len(lis))
    for li in lis:
        szTitle = (li.select('div:nth-of-type(2) div:nth-of-type(1) a h4'))[0].get_text()
        szTitle = szTitle.replace("\r\n", "-").replace(" ","");
        szStar = (li.select('div:nth-of-type(2) div:nth-of-type(3) span'))[0]['title']
        szReviewNum = (li.select('div:nth-of-type(2) div:nth-of-type(3) a:nth-of-type(1)'))[0].get_text()
        szReviewNum = szReviewNum.replace("\n", "").replace(" ","");
        szMeanPrice = (li.select('div:nth-of-type(2) div:nth-of-type(3) a:nth-of-type(2)'))[0].get_text()
        szMeanPrice = szMeanPrice.replace("\n", "").replace(" ","");
        szCategory = (li.select('div:nth-of-type(2) div:nth-of-type(4) a:nth-of-type(1)'))[0].get_text()
        szAddressA = (li.select('div:nth-of-type(2) div:nth-of-type(4) a:nth-of-type(2)'))[0].get_text()
        szAddressB = (li.select('div:nth-of-type(2) div:nth-of-type(4) span:nth-of-type(3)'))[0].get_text()
        szAddress = (szAddressA+"-"+szAddressB).replace("\r\n", "-").replace(" ","");
        szTaste = (li.select('div:nth-of-type(2) span:nth-of-type(5) span:nth-of-type(1)'))[0].get_text()
        szEvn = (li.select('div:nth-of-type(2) span:nth-of-type(5) span:nth-of-type(2)'))[0].get_text()
        szService = (li.select('div:nth-of-type(2) span:nth-of-type(5) span:nth-of-type(3)'))[0].get_text()
        
        fileinfo = io.open(resultFile,'a',encoding='utf_16')
        fileinfo.write(szTitle+","+szStar+","+szReviewNum+","+szMeanPrice+","+szCategory+"," +szAddress+","+szTaste+","+szEvn+","+szService+"\n")

2、PyQuery解析网页

'''
Created on 20150203
@author: Hansen
'''

import urllib2
import sys
import io
from pyquery import PyQuery

#Fetch HTML from URL
def fecth_html(index,url,keepHtml,resultFile):
    req = urllib2.Request(url)
    req.add_header('User-Agent','Mozilla/5.0 (Windows NT 6.2; rv:16.0) Gecko/20100101 Firefox/16.0')
    rsp = urllib2.urlopen(req)
    content = rsp.read()
    #receive_header = rsp.info()
    #print(sys.getfilesystemencoding())
    #content = content.decode('utf-8','replace')
    
    if keepHtml:
        fileinfo = open(str(index)+'.html','w')
        fileinfo.write(content)
        print("save file "+ str(index)+'.html:    ok')
        
    parse_html(content,resultFile)
    
#Parse HTML
def parse_html(html,resultFile):
    doc = PyQuery(html)
    lis = doc('div.shop-all-list li')
    print(len(lis))
    for li in lis:
        li_doc = PyQuery(li)
        szTitle = li_doc('li div div a h4').text()
        szTitle = szTitle.replace("\r\n", "-").replace(" ","");
        szStar = li_doc("li div div span").filter('.sml-rank-stars').attr('title')
        szReviewNum = li_doc('li div div a').filter('.review-num').text()
        szReviewNum = szReviewNum.replace("\n", "").replace(" ","");
        szMeanPrice = li_doc('li div div a').filter('.mean-price').text()
        szMeanPrice = szMeanPrice.replace("\n", "").replace(" ","");
        szCategory = li_doc('li div div a span').filter('.tag').eq(1).text()
        szAddressA = li_doc('li div div a span').filter('.tag').eq(1).text()
        szAddressB = li_doc('li div div span').filter('.addr').eq(0).text()
        szAddress = (szAddressA+"-"+szAddressB).replace("\r\n", "-").replace(" ","");
        szTaste = li_doc('li div span span').eq(0).text()
        szEvn = li_doc('li div span span').eq(1).text()
        szService = li_doc('li div span span').eq(2).text()
        
        fileinfo = io.open(resultFile,'a',encoding='utf_16')
        fileinfo.write(szTitle+","+szStar+","+szReviewNum+","+szMeanPrice+","+szCategory+"," +szAddress+","+szTaste+","+szEvn+","+szService+"\n")