本文介紹使用Handsontable 來實現web專案網頁上的Excel,以及Excel公式渲染,對技術做個總結,有什麼遺漏或有誤的地方,歡迎大家指教。
Handsontable 官網: https://handsontable.com/
Handsontable API:https://docs.handsontable.com/pro/3.0.0/tutorial-introduction.html
Handsontable 是實現了網頁展示Excel的功能,展示的時候如果用到Excel公式,就需要藉助 formula.js 和 ruleJS.js 來實現了
Formula.js 是一個實現 Microsoft Excel 和 Google Spreadsheets 等類似的電子表格應用程式具有的強大公式的功能庫,帶給 Web 開發人員最常用的日期/時間,文字,邏輯,金融等各個類別的公式
下面是幾個借鑑的網站:
handsontable的單元格操作方法 : https://www.cnblogs.com/sily-boy/p/4863156.html
handsontable自定義渲染 : https://www.cnblogs.com/QiuJL/p/6972327.html
Handsontable 自定義渲染 Renderer 型別:
autocomplete
forHandsontable.renderers.AutocompleteRenderer
base
forHandsontable.renderers.BaseRenderer
checkbox
forHandsontable.renderers.CheckboxRenderer
date
forHandsontable.renderers.DateRenderer
dropdown
forHandsontable.renderers.DropdownRenderer
html
forHandsontable.renderers.HtmlRenderer
numeric
forHandsontable.renderers.NumericRenderer
password
forHandsontable.renderers.PasswordRenderer
text
forHandsontable.renderers.TextRenderer
time
forHandsontable.renderers.TimeRenderer
1 <html xmlns="http://www.w3.org/1999/xhtml"> 2 <head runat="server"> 3 <title>A</title> 4 <script src="Script/jquery-1.10.1.min.js"></script> 5 <script src="Script/handsontable.full.js"></script> 6 <link href="Script/handsontable.full.css" rel="stylesheet" /> 7 <script src="Script/lodash.js"></script> 8 <script src="Script/underscore.string.js"></script> 9 <script src="Script/moment.js"></script> 10 <script src="Script/numeral.js"></script> 11 <script src="Script/numeric.js"></script> 12 <script src="Script/md5.js"></script> 13 <script src="Script/jstat.js"></script> 14 <script src="Script/formula.js"></script> 15 <script src="Script/parser.js"></script> 16 <script src="Script/ruleJS.js"></script> 17 <script src="Script/handsontable.formula.js"></script> 18 </head> 19 <body> 20 <form id="form1" runat="server"> 21 <div id="handsontable-code" class="dataTable" /> 22 </form> 23 24 </body> 25 <script type="text/javascript"> 26 $(document).ready(function () { 27 28 var data1 = [ 29 [`第一列`, "第二列", "第三列", "第四列", `第五列`, "第六列"], 30 [2009, 0, 2941, 4303, 354, 5814], 31 [2010, 5, 2905, 2867, `=SUM(A4,2,3)`, `=$B1`], 32 [2011, 4, 2517, 4822, 552, 6127], 33 [2012, `=SUM(A2:A5)`, `=SUM(B5,E3)`, `=A2/B2`, 12, 4151] 34 ]; 35 Handsontable.renderers.registerRenderer(`negativeValueRenderer`, negativeValueRenderer); 36 var container1 = $(`#handsontable-code`); 37 container1.handsontable({ 38 data: data1, 39 minSpareRows: 1, //為0時,handsontable 可去掉最後多餘的一行 40 colHeaders: true, 41 rowHeaders: true, 42 contextMenu: true, 43 manualColumnResize: true, 44 formulas: true, 45 cells: function (row, col, prop) { 46 var cellProperties = {}; 47 cellProperties.renderer = "negativeValueRenderer"; 48 return cellProperties; 49 } 50 }); 51 }); 52 53 function negativeValueRenderer(instance, td, row, col, prop, value, cellProperties) { 54 //Handsontable.renderers.TextRenderer.apply(this, arguments); //單純的文字渲染,會把公式當作文字直接打出來 55 Handsontable.TextCell.renderer.apply(this, arguments); //TextCell.renderer 單元格渲染,可以識別公式 56 if (row == 4 ){ 57 td.style.background = `#66CDAA`; 58 } else { 59 cellProperties.readOnly = true; 60 } 61 } 62 </script> 63 </html>
程式碼引自:http://blog.163.com/lilinrui_ruirui/blog/static/2011580362016112051619913/ ,對例項做了修改