<template> <div> <lt-canvas ref="canvas" :width="750" :height="500"></lt-canvas> </div> </template> <script> import LightChart from 'light-chart'; export default { components:{ ltCanvas:require("light-chart/canvas") }, data(){ return {} }, mounted(){ const data = [ { value: 63.4, city: 'New York', date: '2011-10-01' }, { value: 62.7, city: 'San Francisco', date: '2011-10-01' }, { value: 72.2, city: 'Austin', date: '2011-10-01' }, { value: 58, city: 'New York', date: '2011-10-02' }, { value: 59.9, city: 'San Francisco', date: '2011-10-02' }, { value: 67.7, city: 'Austin', date: '2011-10-02' }, { value: 53.3, city: 'New York', date: '2011-10-03' }, { value: 59.1, city: 'San Francisco', date: '2011-10-03' }, { value: 69.4, city: 'Austin', date: '2011-10-03' }, { value: 55.7, city: 'New York', date: '2011-10-04' }, { value: 58.8, city: 'San Francisco', date: '2011-10-04' }, { value: 68, city: 'Austin', date: '2011-10-04' }, { value: 64.2, city: 'New York', date: '2011-10-05' }, { value: 58.7, city: 'San Francisco', date: '2011-10-05' }, { value: 72.4, city: 'Austin', date: '2011-10-05' }, { value: 58.8, city: 'New York', date: '2011-10-06' }, { value: 57, city: 'San Francisco', date: '2011-10-06' }, { value: 77, city: 'Austin', date: '2011-10-06' }, ]; let chart = new LightChart.Chart({ ltCanvas:this.$refs.canvas });
chart.source(data, { date: { range: [ 0, 1 ], type: 'timeCat', mask: 'MM-DD' }, value: { tickCount: 5 } }); chart.legend(false); chart.axis('date', { label(text, index, total) { const textCfg = {}; if (index === 0) { textCfg.textAlign = 'left'; } if (index === total - 1) { textCfg.textAlign = 'right'; } return textCfg; } }); chart.line().position('date*value').color('city'); chart.render(); } } </script> <style scoped>
</style>
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