|
Chilkat • HOME • .NET Core C# • Android™ • AutoIt • C • C# • C++ • Chilkat2-Python • CkPython • Classic ASP • DataFlex • Delphi ActiveX • Delphi DLL • Go • Java • Lianja • Mono C# • Node.js • Objective-C • PHP ActiveX • PHP Extension • Perl • PowerBuilder • PowerShell • PureBasic • Ruby • SQL Server • Swift 2 • Swift 3,4,5... • Tcl • Unicode C • Unicode C++ • VB.NET • VBScript • Visual Basic 6.0 • Visual FoxPro • Xojo Plugin
(Lianja) HTML Table to CSVDemonstrates a method for converting an HTML table to a CSV file. Note: This example requires Chilkat v9.5.0.77 or greater.
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // First download the HTML containing the table loHttp = createobject("CkHttp") loBdHtml = createobject("CkBinData") llSuccess = loHttp.QuickGetBd("https://example-code.com/data/etf_table.html",loBdHtml) if (llSuccess <> .T.) then ? loHttp.LastErrorText release loHttp release loBdHtml return endif // Convert to XML. loHtx = createobject("CkHtmlToXml") loHtx.SetHtmlBd(loBdHtml) loSbXml = createobject("CkStringBuilder") loHtx.ToXmlSb(loSbXml) loXml = createobject("CkXml") loXml.LoadSb(loSbXml,.T.) // Remove attributes and sub-trees we don't need. // (In other words, we're getting rid of clutter...) lnNumRemoved = loXml.PruneTag("thead") lnNumRemoved = loXml.PruneAttribute("style") lnNumRemoved = loXml.PruneAttribute("class") // Scrub the element and attribute content. loXml.Scrub("ContentTrimEnds,ContentTrimInside,AttrTrimEnds,AttrTrimInside") // Let's see what we have... ? loXml.GetXml() // We have the following XML. // Copy this XML into the online tool at Generate Parsing Code from XML // as a starting point for accessing the data.. // <?xml version="1.0" encoding="utf-8"?> // <root> // <html> // <head> // <meta http-equiv="content-type" content="text/html; charset=UTF-8"/> // </head> // <body text="#000000" bgcolor="#FFFFFF"> // <div> // <div> // <table role="grid" data-scrollx="true" data-sortdirection="desc" data-sorton="-1"/> // </div> // </div> // <div> // <table id="topHoldingsTable" role="grid" data-scrollx="true" data-sortdirection="desc" data-sorton="-1"> // <tbody> // <tr role="row"> // <td> // <text>ITUB4</text> // </td> // <td> // <text>ITAU UNIBANCO HOLDING PREF SA</text> // </td> // <td> // <text>Financials</text> // </td> // <td> // <text>Brazil</text> // </td> // <td> // <text>10.94</text> // </td> // <td> // <text>998,954,813.73</text> // </td> // </tr> // <tr role="row"> // <td> // <text>BBDC4</text> // </td> // <td> // <text>BANCO BRADESCO PREF SA</text> // </td> // <td> // <text>Financials</text> // </td> // <td> // <text>Brazil</text> // </td> // <td> // <text>9.01</text> // </td> // <td> // <text>822,164,622.75</text> // </td> // </tr> // ... // ... // ... // </tbody> // </table> // </div> // </body> // </html> // </root> // // This is the code generated by the online tool: // i = 0 lnCount_i = loXml.NumChildrenHavingTag("html|body|div") do while i < lnCount_i loXml.I = i lcTable_role = loXml.ChilkatPath("html|body|div[i]|div|table|(role)") lcTable_data_scrollx = loXml.ChilkatPath("html|body|div[i]|div|table|(data-scrollx)") lcTable_data_sortdirection = loXml.ChilkatPath("html|body|div[i]|div|table|(data-sortdirection)") lcTable_data_sorton = loXml.ChilkatPath("html|body|div[i]|div|table|(data-sorton)") lcTable_id = loXml.ChilkatPath("html|body|div[i]|table|(id)") lcTable_role = loXml.ChilkatPath("html|body|div[i]|table|(role)") lcTable_data_scrollx = loXml.ChilkatPath("html|body|div[i]|table|(data-scrollx)") lcTable_data_sortdirection = loXml.ChilkatPath("html|body|div[i]|table|(data-sortdirection)") lcTable_data_sorton = loXml.ChilkatPath("html|body|div[i]|table|(data-sorton)") j = 0 lnCount_j = loXml.NumChildrenHavingTag("html|body|div[i]|table|tbody|tr") do while j < lnCount_j loXml.J = j lcTr_role = loXml.ChilkatPath("html|body|div[i]|table|tbody|tr[j]|(role)") k = 0 lnCount_k = loXml.NumChildrenHavingTag("html|body|div[i]|table|tbody|tr[j]|td") do while k < lnCount_k loXml.K = k lcText = loXml.GetChildContent("html|body|div[i]|table|tbody|tr[j]|td[k]|text") k = k + 1 enddo j = j + 1 enddo i = i + 1 enddo // Let's modify the above code to build the CSV. loCsv = createobject("CkCsv") loCsv.SetColumnName(0,"Ticker") loCsv.SetColumnName(1,"Name") loCsv.SetColumnName(2,"Sector") loCsv.SetColumnName(3,"Country") loCsv.SetColumnName(4,"Weight") loCsv.SetColumnName(5,"Notional Vaue") i = 0 lnCount_i = loXml.NumChildrenHavingTag("html|body|div") do while i < lnCount_i loXml.I = i j = 0 lnCount_j = loXml.NumChildrenHavingTag("html|body|div[i]|table|tbody|tr") do while j < lnCount_j loXml.J = j k = 0 lnCount_k = loXml.NumChildrenHavingTag("html|body|div[i]|table|tbody|tr[j]|td") do while k < lnCount_k loXml.K = k loCsv.SetCell(j,k,loXml.GetChildContent("html|body|div[i]|table|tbody|tr[j]|td[k]|text")) k = k + 1 enddo j = j + 1 enddo i = i + 1 enddo loCsv.SaveFile("qa_output/brasil_etf.csv") lcCsvStr = loCsv.SaveToString() ? lcCsvStr // Our CSV looks like this: // Ticker,Name,Sector,Country,Weight,Notional Vaue // ITUB4,ITAU UNIBANCO HOLDING PREF SA,Financials,Brazil,10.94,"998,954,813.73" // BBDC4,BANCO BRADESCO PREF SA,Financials,Brazil,9.01,"822,164,622.75" // VALE3,CIA VALE DO RIO DOCE SH,Materials,Brazil,8.60,"785,290,260.07" // PETR4,PETROLEO BRASILEIRO PREF SA,Energy,Brazil,5.68,"518,124,434.10" // PETR3,PETROBRAS,Energy,Brazil,4.86,"443,254,438.53" // B3SA3,B3 BRASIL BOLSA BALCAO SA,Financials,Brazil,4.57,"417,636,740.16" // ABEV3,AMBEV SA,Consumer Staples,Brazil,4.57,"417,216,913.63" // BBAS3,BANCO DO BRASIL SA,Financials,Brazil,3.25,"296,921,232.15" // ITSA4,ITAUSA INVESTIMENTOS ITAU PREF SA,Financials,Brazil,2.90,"265,153,684.52" // LREN3,LOJAS RENNER SA,Consumer Discretionary,Brazil,2.25,"205,832,175.98" // release loHttp release loBdHtml release loHtx release loSbXml release loXml release loCsv |
||||
© 2000-2024 Chilkat Software, Inc. All Rights Reserved.