100 lines
2.0 KiB
HTML
100 lines
2.0 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<meta name="geometry" content="diagram">
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<link rel="stylesheet" href="./assets/common.css">
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<title>Line Chart(XY)</title>
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</head>
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<body>
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<div id="canvas"></div>
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<script src="./assets/jquery-3.2.1.min.js"></script>
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<script src="./assets/data-set.min.js"></script>
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<script src="./assets/g2.min.js"></script>
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<script src="../build/g2-brush.js"></script>
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<script>
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$.getJSON('./data/avg-temp.json', function(data) {
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const { DataView } = DataSet;
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const dv = new DataView();
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dv.source(data)
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.transform({
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type: 'fold',
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key: 'city',
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value: 'value',
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fields: [ 'New York', 'San Francisco', 'Austin' ]
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});
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const chart = new G2.Chart({
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id: 'canvas',
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forceFit: true,
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height: 400,
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padding: [ 60, 30, 30 ]
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});
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chart.source(dv, {
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date: {
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type: 'time'
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},
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value: {
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alias: 'Temperature, ºF'
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}
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});
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chart.legend({
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position: 'top'
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});
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chart.axis('date', {
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line: {
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stroke: '#000'
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},
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tickLine: {
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stroke: '#000',
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value: 6 // 刻度线长度
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},
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label: {
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textStyle: {
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textAlign: 'start'
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}
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}
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});
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chart.axis('value', {
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tickLine: {
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stroke: '#000',
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value: 6 // 刻度线长度
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},
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label: {
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textStyle: {
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fill: '#000'
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}
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},
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line: {
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stroke: '#000'
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},
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grid: null
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});
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chart.line()
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.position('date*value')
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.color('city')
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.shape('spline')
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.size(2);
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chart.render();
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new Brush({
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canvas: chart.get('canvas'),
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style: {
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fill: '#ccc',
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fillOpacity: 0.4
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},
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chart
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});
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chart.on('plotdblclick', () => {
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chart.get('options').filters = {};
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chart.repaint();
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});
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});
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</script>
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</body>
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</html>
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