HtmlAgilityPack+Winform实现(天天基金)爬虫工具

红太狼 2021-07-04 13:30 793阅读 0赞

using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.IO;
    using System.Text;
    using System.Windows.Forms;
    using CCWin;
    using HtmlAgilityPack;
    using HtmlDocument = HtmlAgilityPack.HtmlDocument;
    
    namespace FundDataDemo
    { 
        public partial class Form1 : CCSkinMain
        { 
            private readonly string funddetailPage = "http://fundf10.eastmoney.com/tsdata_";
            private readonly string line;
            private readonly List<Fund> myList = new List<Fund>();
            private readonly string sPage = "http://fund.eastmoney.com/";
            private readonly string[] subline;
            private readonly HtmlWeb web = new HtmlWeb();
            private string sContent;
    
            private readonly string gzPageUrl = "http://fundgz.1234567.com.cn/js/";
            //http://fundgz.1234567.com.cn/js/161725.js?rt=1600422522450
            //jsonpgz({ "fundcode":"161122","name":"易方达生物分级","jzrq":"2020-09-17","dwjz":"0.9039","gsz":"0.9127","gszzl":"0.97","gztime":"2020-09-18 15:00"});
            #region MyRegion
            //{ 
            // "fundcode": "161122",
            // "name": "易方达生物分级",
            // "jzrq": "2020-09-17",
            // "dwjz": "0.9039",
            // "gsz": "0.9127",
            // "gszzl": "0.97",
            // "gztime": "2020-09-18 15:00"
            //}
            #endregion
    
            public Form1()
            { 
                InitializeComponent();
                timer1.Enabled = true;
    
                //读取基金资料
                var fs = new FileStream(Environment.CurrentDirectory + @"\AllFunds.txt", FileMode.Open);
                var sr = new StreamReader(fs);
    
                while ((line = sr.ReadLine()) != null)
                { 
                    line = line.Trim();
                    if (line == "") continue;
                    subline = line.Split(',');
                    myList.Add(new Fund {  Id = subline[0], Name = subline[1], Has = subline[2] == "y" ? " 持有" : " 未持有" });
                }
    
                sr.Close();
                fs.Close();
            }
    
    
            private void button1_Click(object sender, EventArgs e)
            { 
                webBrowser1.DocumentText = "资料爬取中...";
                button1.Enabled = false;
                backgroundWorker1.RunWorkerAsync();
            }
    
            private void timer1_Tick(object sender, EventArgs e)
            { 
                button1_Click(null, null);
            }
    
            private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
            { 
                web.CacheOnly = false;
                web.CachePath = null;
                web.UsingCache = false;
                var sb = new StringBuilder();
                sb.Append("<table id=\"tabledata\" width=\"1800\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">");
                sb.Append("<tr>" +
                          "<th>基金代码</th>" +
                          "<th>基金名称</th>" +
                          "<th>基金规模</th>" +
                          "<th>基金经理</th>" +
                          "<th>任职时间</th>" +
                          "<th>任职天数</th>" +
                          "<th>估算涨幅</th>" +
                          "<th>更新时间</th>" +
                          "<th>同类近一周排名</th>" +
                          "<th>近1年标准差</th>" +
                          "<th>近2年标准差</th>" +
                          "<th>近3年标准差</th>" +
                          "<th>近1年夏普比率</th>" +
                          "<th>近2年夏普比率</th>" +
                          "<th>近3年夏普比率</th>" +
                          "<th>是否持有</th>" +
                          "</tr>");
                HtmlDocument doc = null;
                HtmlDocument doc_detail = null;
                Valuation vt = new Valuation();
                //获取估值
                foreach (var objFund in myList)
                { 
                    try
                    { 
                        doc = web.Load(sPage + objFund.Id + ".html"); // HtmlDocument 类，负责操作html文档
                        doc_detail = web.Load(funddetailPage + objFund.Id + ".html");
                        vt = CommonHelper.Get(gzPageUrl + string.Format("{0}.js?rt={1}", objFund.Id, DateTime.Now.ToString("yyyyMMddHHmmss")));
                    }
                    catch (Exception ex)
                    { 
                        throw new Exception("Network Errors: " + ex.Message);
                    }
    
                    var ranking = doc.DocumentNode.SelectSingleNode("//div[@class='Rdata']"); // 近一周同类排名
    
                    //基金规模
                    var guimoNode =
                        doc.DocumentNode.SelectSingleNode(
                            "//div[@id='body']/div[12]/div/div/div[3]/div[1]/div[2]/table/tr[1]/td[2]");
                    //基金经理
                    var managerNode =
                        doc.DocumentNode.SelectSingleNode(
                            "//li[@id='fundManagerTab']/div[1]/table/tr[2]/td[2]/a");
                    //任职时间
                    var tenureNode =
                        doc.DocumentNode.SelectSingleNode("//li[@id='fundManagerTab']/div[1]/table/tr[2]/td[1]");
    
                    //任职天数
                    var workingdaysNode =
                        doc.DocumentNode.SelectSingleNode("//li[@id='fundManagerTab']/div[1]/table/tr[2]/td[3]");
    
                    var oneyear = doc_detail.DocumentNode.SelectSingleNode(
                        "//div[@id='bodydiv']/div[8]/div[3]/div[2]/div[3]/div/div[1]/div/div[4]/table/tr[2]/td[2]");
                    var twoyear = doc_detail.DocumentNode.SelectSingleNode(
                        "//div[@id='bodydiv']/div[8]/div[3]/div[2]/div[3]/div/div[1]/div/div[4]/table/tr[2]/td[3]");
                    var threeyear = doc_detail.DocumentNode.SelectSingleNode(
                        "//div[@id='bodydiv']/div[8]/div[3]/div[2]/div[3]/div/div[1]/div/div[4]/table/tr[2]/td[4]");
    
                    var oneyearSharp = doc_detail.DocumentNode.SelectSingleNode(
                        "//div[@id='bodydiv']/div[8]/div[3]/div[2]/div[3]/div/div[1]/div/div[4]/table/tr[3]/td[2]");
                    var twoyearSharp = doc_detail.DocumentNode.SelectSingleNode(
                        "//div[@id='bodydiv']/div[8]/div[3]/div[2]/div[3]/div/div[1]/div/div[4]/table/tr[3]/td[3]");
                    var threeyearSharp = doc_detail.DocumentNode.SelectSingleNode(
                        "//div[@id='bodydiv']/div[8]/div[3]/div[2]/div[3]/div/div[1]/div/div[4]/table/tr[3]/td[4]");
    
    
                    #region 净值估算 涨跌率
                    //var rate = doc.GetElementbyId("gz_gszzl").InnerText;
                    //if (rate.Contains("+"))
                    //{ 
                    // rate = "<font color=\"red\">" + rate + "</font>";
                    //}
    
                    //if (rate == "--")
                    //{ 
                    // rate = "0.00%";
                    //}
    
                    var rate = vt?.gszzl??"0"; 
                    if (rate.Contains("+") || Convert.ToDouble(rate) > 0)
                    { 
                        rate = "<font color=\"red\">" + rate + "</font>";
                    }
                    if (rate == "--")
                    { 
                        rate = "0.00%";
                    }
                    #endregion
    
                    #region 净值估算时间
    
                    var date = doc.GetElementbyId("gz_gztime").InnerHtml;
                    if (date == "--")
                    { 
                        date = "暂无";
                    }
    
                    #endregion
    
                    sb.Append("<tr>" +
                              "<td>" + objFund.Id + "</td>" +
                              "<td>" + "<a href=\"" + sPage + objFund.Id + ".html\" target=\"_blank\">" + objFund.Name +
                              "</a>" + "</td>" +
                              "<td>" + guimoNode?.InnerText.Replace("基金规模：", "") + "</td>" +
                              "<td>" + managerNode.InnerText + "</td>" +
                              "<td>" + tenureNode.InnerText + "</td>" +
                              "<td>" + workingdaysNode.InnerText + "</td>" +
                              "<td>" + rate + "</td>" +
                              "<td>" + date + "</td>" +
                              "<td>" + ranking.InnerText + "</td>" +
                              "<td>" + oneyear.InnerText + "</td>" +
                              "<td>" + twoyear.InnerText + "</td>" +
                              "<td>" + threeyear.InnerText + "</td>" +
                              "<td>" + oneyearSharp.InnerText + "</td>" +
                              "<td>" + twoyearSharp.InnerText + "</td>" +
                              "<td>" + threeyearSharp.InnerText + "</td>" +
                              "<td>" + objFund.Has + "</td>" +
                              "</tr>");
                }
    
                sb.Append("</table >");
                sContent = sb.ToString();
            }
    
            private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
            { 
                webBrowser1.DocumentText = sContent;
                button1.Enabled = true;
                sContent = null;
            }
        }
    }

## AllFunds.txt ##

000216,华安黄金易ETF联接A,y
    040046,华安纳斯达克100指数,y
    161130,易方达纳斯达克100人民币,y
    001549,天弘上证50指数C,y
    110011,易方达中小盘混合,y
    163406,兴全合润分级混合,y
    001632,天弘中证食品饮料指数C,y
    000961,天弘沪深300ETF联接A,y
    163415,兴全商业模式优选混合,y
    001513,易方达信息产业混合,y
    161033,富国中证智能汽车(LOF),y
    003095,中欧医疗健康混合A,y
    161903,万家行业优选混合(LOF),y
    110023,易方达医疗保健行业混合,y
    001550,天弘中证医药100A,y
    519674,银河创新成长混合,y
    006751,富国互联科技股票,y
    161122,易方达生物分级,y
    161725,招商中证白酒指数分级,y
    001071,华安媒体互联网混合,y
    150303,华安创业板50指数分级A,y
    164906,交银中证海外中国互联网指数,n
    110022,易方达消费行业股票,n

## CommonHelper.cs ##

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Text.RegularExpressions;
    using System.Threading.Tasks;
    using EasyHttp.Http;
    using Newtonsoft.Json;
    
    namespace FundDataDemo
    { 
        public class CommonHelper
        { 
            /// <summary>
            /// 获取数据
            /// </summary>
            /// <returns></returns>
            public static Valuation Get(string url)
            { 
                HttpResponse response = new HttpClient().Get(url);
                Valuation vObject = JsonConvert.DeserializeObject<Valuation>(response.RawText.JsonpTrim());
                return vObject;
            }
        }
    
        public class Valuation
        { 
            /// <summary>
            /// 
            /// </summary>
            public string fundcode {  get; set; }
    
            /// <summary>
            /// 基金名称
            /// </summary>
            public string name {  get; set; }
    
            /// <summary>
            /// 
            /// </summary>
            public string jzrq {  get; set; }
            /// <summary>
            /// 
            /// </summary>
            public string dwjz {  get; set; }
            /// <summary>
            /// 
            /// </summary>
            public string gsz {  get; set; }
            /// <summary>
            /// 
            /// </summary>
            public string gszzl {  get; set; }
    
            /// <summary>
            /// 
            /// </summary>
            public string gztime {  get; set; }
        }
    
        public static class StringExtension
        { 
            public static string JsonpTrim(this string jsonp)
            { 
                Regex reg = new Regex(@"jsonpgz\(");
                return reg.Replace(jsonp, "").Replace(");", "");
            }
        }
    }

## Fund.cs ##

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    
    namespace FundDataDemo
    { 
        class Fund
        { 
            public string Id {  get; set; } //基金代码
            public string Name {  get; set; } //基金名字
            public string Has {  get; set; } //是否持有
        }
    }

## 如图： ##

![在这里插入图片描述][20200921100435196.png]  
![在这里插入图片描述][20200921100452827.png]  
[代码下载地址][Link 1]

[20200921100435196.png]: /images/20210704/82a6b55aecc74845bd0fe0ef02b0af96.png
[20200921100452827.png]: /images/20210704/9e21015a311647eda30bd3cd34557259.png
[Link 1]: https://download.csdn.net/download/WuLex/12873532