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Stock Index Chart
源码
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width,height=device-height"> <title>Stock Index Chart</title> <style>::-webkit-scrollbar{display:none;}html,body{overflow:hidden;height:100%;margin:0;}</style> </head> <body> <div id="mountNode"></div> <script>/*Fixing iframe window.innerHeight 0 issue in Safari*/document.body.clientHeight;</script> <script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.g2-3.5.1/dist/g2.min.js"></script> <script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.data-set-0.10.1/dist/data-set.min.js"></script> <script src="https://gw.alipayobjects.com/os/antv/assets/lib/jquery-3.2.1.min.js"></script> <script> $.getJSON('https://gw.alipayobjects.com/os/antvdemo/assets/data/stocks.json', function(data) { var ds = new DataSet({ state: { date: 'Jan 1 2005' } }); var priceByKey = {}; var srcDv = new DataSet.View(ds, { watchingStates: [] }); srcDv.source(data).transform({ type: 'map', callback: function callback(row) { row.key = row.symbol + '-' + row.date; row.price = parseInt(row.price, 10); priceByKey[row.key] = row.price; return row; } }); var destDv = new DataSet.View(ds, { watchingStates: ['date'] }); destDv.source(srcDv).transform({ type: 'map', callback: function callback(row) { var key = row.symbol + '-' + ds.state.date; var indexedPrice = priceByKey[key]; row.rate = !indexedPrice || indexedPrice === 0 ? 0 : (row.price - indexedPrice) / indexedPrice; return row; } }); var chart = new G2.Chart({ container: 'mountNode', forceFit: true, height: window.innerHeight, padding: ['auto', 'auto', 50, 'auto'], animate: false }); chart.scale({ date: { type: 'time' }, rate: { formatter: function formatter(val) { return (val * 100).toFixed(1) + '%'; } } }); chart.axis('rate', { grid: { hightLightZero: true } }); chart.axis('date', false); chart.legend({ attachLast: true }); chart.tooltip(false); chart.source(destDv); chart.line().position('date*rate').color('symbol'); var dateLineGuide = void 0; chart.on('mousemove', function(ev) { var records = chart.getSnapRecords(ev); if (G2.Util.isArray(records) && records.length) { var date = records[0]._origin.date; if (date !== ds.state.date) { if (dateLineGuide) { dateLineGuide.clear(); dateLineGuide = null; } ds.setState('date', records[0]._origin.date); dateLineGuide = chart.guide().line({ start: [date, 'start'], end: [date, 'end'], lineStyle: { lineDash: null, stroke: 'grey' }, text: { autoRotate: false, position: 'start', content: ds.state.date, style: { fill: 'grey', textAlign: 'center' }, offsetY: 22 } }); } } }); chart.render(); }); </script> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width,height=device-height"> <title>Stock Index Chart</title> <style>::-webkit-scrollbar{display:none;}html,body{overflow:hidden;height:100%;margin:0;}</style> </head> <body style="background: #1f1f1f;"> <div id="mountNode"></div> <script>/*Fixing iframe window.innerHeight 0 issue in Safari*/document.body.clientHeight;</script> <script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.g2-3.5.1/dist/g2.min.js"></script> <script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.data-set-0.10.1/dist/data-set.min.js"></script> <script src="https://gw.alipayobjects.com/os/antv/assets/lib/jquery-3.2.1.min.js"></script> <script>G2.Global.setTheme('dark');</script> <script> $.getJSON('https://gw.alipayobjects.com/os/antvdemo/assets/data/stocks.json', function(data) { var ds = new DataSet({ state: { date: 'Jan 1 2005' } }); var priceByKey = {}; var srcDv = new DataSet.View(ds, { watchingStates: [] }); srcDv.source(data).transform({ type: 'map', callback: function callback(row) { row.key = row.symbol + '-' + row.date; row.price = parseInt(row.price, 10); priceByKey[row.key] = row.price; return row; } }); var destDv = new DataSet.View(ds, { watchingStates: ['date'] }); destDv.source(srcDv).transform({ type: 'map', callback: function callback(row) { var key = row.symbol + '-' + ds.state.date; var indexedPrice = priceByKey[key]; row.rate = !indexedPrice || indexedPrice === 0 ? 0 : (row.price - indexedPrice) / indexedPrice; return row; } }); var chart = new G2.Chart({ container: 'mountNode', forceFit: true, height: window.innerHeight, padding: ['auto', 'auto', 50, 'auto'], animate: false }); chart.scale({ date: { type: 'time' }, rate: { formatter: function formatter(val) { return (val * 100).toFixed(1) + '%'; } } }); chart.axis('rate', { grid: { hightLightZero: true } }); chart.axis('date', false); chart.legend({ attachLast: true }); chart.tooltip(false); chart.source(destDv); chart.line().position('date*rate').color('symbol'); var dateLineGuide = void 0; chart.on('mousemove', function(ev) { var records = chart.getSnapRecords(ev); if (G2.Util.isArray(records) && records.length) { var date = records[0]._origin.date; if (date !== ds.state.date) { if (dateLineGuide) { dateLineGuide.clear(); dateLineGuide = null; } ds.setState('date', records[0]._origin.date); dateLineGuide = chart.guide().line({ start: [date, 'start'], end: [date, 'end'], lineStyle: { lineDash: null, stroke: 'grey' }, text: { autoRotate: false, position: 'start', content: ds.state.date, style: { fill: 'grey', textAlign: 'center' }, offsetY: 22 } }); } } }); chart.render(); }); </script> </body> </html>
图表用法
Stock Index Chart
相关链接
BizCharts
Viser