翻译|使用教程|编辑:龚雪|2021-08-19 10:31:56.843|阅读 157 次
概述:本文中的示例演示如何提取Spreadsheet电子表格数据并使用它填充Kendo UI 图表。
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本文中的示例演示如何提取Spreadsheet电子表格数据并使用它填充Kendo UI 图表。
图表在发生更改事件时在工作表上更新。
<style> #spreadsheet, #chart { height: 500px; float: left; } #spreadsheet { width: 350px; } #chart { width: 550px; } </style> <div id="spreadsheet"></div> <div id="chart"></div> <script> $("#spreadsheet").kendoSpreadsheet({ toolbar: false, sheetsbar: false }); $("#chart").kendoChart({ dataSource: { // Produce series for each region group: { field: "Region", dir: "asc" } }, series: [{ // Notice the syntax for fields // that are not valid JS identifiers field: "['GDP Growth']", categoryField: "Year", type: "column" }], dataBound: function(e) { // Sort categories (years) as grouping var axis = e.sender.options.categoryAxis; if (axis.categories) { axis.categories.sort(); } }, valueAxis: { labels: { // Percents format: "P" } }, legend: { position: "bottom" }, transitions: false }); var spreadsheet = $("#spreadsheet").data("kendoSpreadsheet"); var chart = $("#chart").data("kendoChart"); var sheet = spreadsheet.sheetByIndex(0); var range = sheet.range("A1:C100"); // Implementation below populateData(sheet); bindChart(chart, sheet, range); function bindChart(chart, sheet, range) { // Change will fire when the sheet data changes // //docs.telerik.com/kendo-ui/api/javascript/spreadsheet/sheet/events/change sheet.bind("change", function(e) { if (e.recalc) { update(); } }); // Populate chart immediately update(); function update() { chart.dataSource.data(fetchData()); } function fetchData() { var values = range.values(); var headers = []; var data = []; // Iterate range rows and cells and extract data for (var row = 0; row < values.length; row++) { var dataItem = {}; for(var cell = 0; cell < values[row].length; cell++) { var value = values[row][cell]; if (!value) { continue; } if (row > 0) { // Data cell dataItem[headers[cell]] = value; } else { // Header cell headers.push(value); } } // Make sure we have all required fields if (row > 0 && dataItem.Year && dataItem.Region) { data.push(dataItem); } } return data; } } function populateData(sheet) { sheet.fromJSON({ "rows": [ { "index": 29, "height": 20.078125, "cells": [ { "value": 2009, "index": 0 }, { "value": "India", "index": 1 }, { "value": 0.08238, "format": "0.00%", "index": 2 } ] }, { "index": 40, "height": 20.078125, "cells": [ { "value": 2011, "index": 0 }, { "value": "World", "index": 1 }, { "value": 0.02727, "format": "0.00%", "index": 2 } ] }, { "index": 0, "cells": [ { "value": "Year", "bold": true, "textAlign": "center", "index": 0 }, { "value": "Region", "bold": true, "textAlign": "center", "index": 1 }, { "value": "GDP Growth", "bold": true, "textAlign": "center", "index": 2 } ] }, { "index": 1, "cells": [ { "value": 2002, "index": 0 }, { "value": "India", "index": 1 }, { "value": 0.0391, "format": "0.00%", "index": 2 } ] }, { "index": 2, "cells": [ { "value": 2002, "index": 0 }, { "value": "Russian Federation", "index": 1 }, { "value": 0.04743, "format": "0.00%", "index": 2 } ] }, { "index": 3, "cells": [ { "value": 2002, "index": 0 }, { "value": "Germany", "index": 1 }, { "value": 0.0001, "format": "0.00%", "index": 2 } ] }, { "index": 4, "cells": [ { "value": 2002, "index": 0 }, { "value": "World", "index": 1 }, { "value": 0.01988, "format": "0.00%", "index": 2 } ] }, { "index": 5, "cells": [ { "value": 2003, "index": 0 }, { "value": "India", "index": 1 }, { "value": 0.0794, "format": "0.00%", "index": 2 } ] }, { "index": 6, "cells": [ { "value": 2003, "index": 0 }, { "value": "Russian Federation", "index": 1 }, { "value": 0.07295, "format": "0.00%", "index": 2 } ] }, { "index": 7, "cells": [ { "value": 2003, "index": 0 }, { "value": "Germany", "index": 1 }, { "value": -0.00375, "format": "0.00%", "index": 2 } ] }, { "index": 8, "cells": [ { "value": 2003, "index": 0 }, { "value": "World", "index": 1 }, { "value": 0.02733, "format": "0.00%", "index": 2 } ] }, { "index": 9, "cells": [ { "value": 2004, "index": 0 }, { "value": "India", "index": 1 }, { "value": 0.07848, "format": "0.00%", "index": 2 } ] }, { "index": 10, "cells": [ { "value": 2004, "index": 0 }, { "value": "Russian Federation", "index": 1 }, { "value": 0.07175, "format": "0.00%", "index": 2 } ] }, { "index": 11, "cells": [ { "value": 2004, "index": 0 }, { "value": "Germany", "index": 1 }, { "value": 0.01161, "format": "0.00%", "index": 2 } ] }, { "index": 12, "cells": [ { "value": 2004, "index": 0 }, { "value": "World", "index": 1 }, { "value": 0.03994, "format": "0.00%", "index": 2 } ] }, { "index": 13, "cells": [ { "value": 2005, "index": 0 }, { "value": "India", "index": 1 }, { "value": 0.09284, "format": "0.00%", "index": 2 } ] }, { "index": 14, "cells": [ { "value": 2005, "index": 0 }, { "value": "Russian Federation", "index": 1 }, { "value": 0.06376, "format": "0.00%", "index": 2 } ] }, { "index": 15, "cells": [ { "value": 2005, "index": 0 }, { "value": "Germany", "index": 1 }, { "value": 0.00684, "format": "0.00%", "index": 2 } ] }, { "index": 16, "cells": [ { "value": 2005, "index": 0 }, { "value": "World", "index": 1 }, { "value": 0.03464, "format": "0.00%", "index": 2 } ] }, { "index": 17, "cells": [ { "value": 2006, "index": 0 }, { "value": "India", "index": 1 }, { "value": 0.09263, "format": "0.00%", "index": 2 } ] }, { "index": 18, "cells": [ { "value": 2006, "index": 0 }, { "value": "Russian Federation", "index": 1 }, { "value": 0.08153, "format": "0.00%", "index": 2 } ] }, { "index": 19, "cells": [ { "value": 2006, "index": 0 }, { "value": "Germany", "index": 1 }, { "value": 0.037, "format": "0.00%", "index": 2 } ] }, { "index": 20, "cells": [ { "value": 2006, "index": 0 }, { "value": "World", "index": 1 }, { "value": 0.04001, "format": "0.00%", "index": 2 } ] }, { "index": 21, "cells": [ { "value": 2007, "index": 0 }, { "value": "India", "index": 1 }, { "value": 0.09801, "format": "0.00%", "index": 2 } ] }, { "index": 22, "cells": [ { "value": 2007, "index": 0 }, { "value": "Russian Federation", "index": 1 }, { "value": 0.08535, "format": "0.00%", "index": 2 } ] }, { "index": 23, "cells": [ { "value": 2007, "index": 0 }, { "value": "Germany", "index": 1 }, { "value": 0.03269, "format": "0.00%", "index": 2 } ] }, { "index": 24, "cells": [ { "value": 2007, "index": 0 }, { "value": "World", "index": 1 }, { "value": 0.03939, "format": "0.00%", "index": 2 } ] }, { "index": 25, "cells": [ { "value": 2008, "index": 0 }, { "value": "India", "index": 1 }, { "value": 0.0389, "format": "0.00%", "index": 2 } ] }, { "index": 26, "cells": [ { "value": 2008, "index": 0 }, { "value": "Russian Federation", "index": 1 }, { "value": 0.05247, "format": "0.00%", "index": 2 } ] }, { "index": 27, "cells": [ { "value": 2008, "index": 0 }, { "value": "Germany", "index": 1 }, { "value": 0.01083, "format": "0.00%", "index": 2 } ] }, { "index": 28, "cells": [ { "value": 2008, "wrap": true, "index": 0 }, { "value": "World", "index": 1 }, { "value": 0.01333, "format": "0.00%", "index": 2 } ] }, { "index": 30, "cells": [ { "value": 2009, "index": 0 }, { "value": "Russian Federation", "index": 1 }, { "value": -0.07832, "format": "0.00%", "index": 2 } ] }, { "index": 31, "cells": [ { "value": 2009, "index": 0 }, { "value": "Germany", "index": 1 }, { "value": -0.05127, "format": "0.00%", "index": 2 } ] }, { "index": 32, "cells": [ { "value": 2009, "index": 0 }, { "value": "World", "index": 1 }, { "value": -0.02245, "format": "0.00%", "index": 2 } ] }, { "index": 33, "cells": [ { "value": 2010, "index": 0 }, { "value": "India", "index": 1 }, { "value": 0.09552, "format": "0.00%", "index": 2 } ] }, { "index": 34, "cells": [ { "value": 2010, "index": 0 }, { "value": "Russian Federation", "index": 1 }, { "value": 0.043, "format": "0.00%", "index": 2 } ] }, { "index": 35, "cells": [ { "value": 2010, "index": 0 }, { "value": "Germany", "index": 1 }, { "value": 0.0369, "format": "0.00%", "index": 2 } ] }, { "index": 36, "cells": [ { "value": 2010, "index": 0 }, { "value": "World", "index": 1 }, { "value": 0.04339, "format": "0.00%", "index": 2 } ] }, { "index": 37, "cells": [ { "value": 2011, "index": 0 }, { "value": "India", "index": 1 }, { "value": 0.06855, "format": "0.00%", "index": 2 } ] }, { "index": 38, "cells": [ { "value": 2011, "index": 0 }, { "value": "Russian Federation", "index": 1 }, { "value": 0.043, "format": "0.00%", "index": 2 } ] }, { "index": 39, "cells": [ { "value": 2011, "index": 0 }, { "value": "Germany", "index": 1 }, { "value": 0.02995, "format": "0.00%", "index": 2 } ] } ], "columns": [ { "index": 1, "width": 122 }, { "index": 2, "width": 103 } ] }); } </script>
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