| |
| <!-- |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| --> |
| |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <script src="lib/esl.js"></script> |
| <script src="lib/config.js"></script> |
| <meta name="viewport" content="width=device-width, initial-scale=1" /> |
| </head> |
| <body> |
| <style> |
| html, body, #main { |
| width: 100%; |
| height: 100%; |
| margin: 0; |
| } |
| </style> |
| <div id="timing"></div> |
| <script> |
| |
| require([ |
| 'echarts' |
| // 'echarts/chart/bar', |
| // 'echarts/chart/line', |
| // 'echarts/component/legend', |
| // 'echarts/component/grid', |
| // 'echarts/component/dataZoom', |
| // 'echarts/component/tooltip' |
| ], function (echarts) { |
| var myChart; |
| var lineCount = 20; |
| var pointCount = 10000; |
| var chartCount = 20; |
| |
| var option = { |
| tooltip : { |
| trigger: 'axis', |
| axisPointer: { |
| animation: false |
| } |
| }, |
| legend: { |
| data:[] |
| }, |
| dataZoom: [{ |
| show: true, |
| realtime: true, |
| // showDataShadow: false, |
| start: 10, |
| end: 60 |
| }], |
| xAxis : [ |
| { |
| type : 'time' |
| } |
| ], |
| yAxis : [ |
| { |
| type : 'value' |
| } |
| ], |
| series: [], |
| animation: false |
| }; |
| |
| var lineStyle = { |
| normal: { |
| width: 2, |
| opacity: 1 |
| } |
| }; |
| |
| var date = new Float64Array(pointCount) |
| var oneDay = 24 * 3600 * 1000; |
| var base = +new Date(1987, 9, 3); |
| for (var j = 0; j < pointCount; j++) { |
| date[j] = base += oneDay; |
| } |
| for (var i = 0; i < lineCount; i++) { |
| var y = Math.random() * 1000; |
| var values = new Float64Array(pointCount * 2); |
| var off = 0; |
| for (var j = 0; j < pointCount; j++) { |
| y += Math.round(10 + Math.random() * (-10 - 10)); |
| values[off++] = date[j]; |
| values[off++] = y; |
| } |
| |
| option.legend.data.push( 'line' + i ); |
| option.series.push({ |
| name: 'line' + i, |
| type: 'line', |
| hoverAnimation: false, |
| showSymbol: false, |
| dimensions: ['date', 'value'], |
| encode: { |
| x: 'date', |
| y: 'value' |
| }, |
| data: values, |
| lineStyle: lineStyle |
| }); |
| } |
| |
| function refresh(isBtnRefresh){ |
| var start = new Date(); |
| console.profile('render'); |
| for( var n = 0; n < chartCount; n++ ) { |
| var el = document.createElement('div'); |
| el.innerHTML = '<h1>'+n+'</h1><div id="chart'+n+'" style="width: 860px; height: 320px"></div>'; |
| document.body.appendChild(el); |
| |
| myChart = echarts.init(document.getElementById('chart'+n)); |
| myChart.setOption(option, true); |
| } |
| console.profileEnd('render'); |
| setTimeout(function () { |
| var end = new Date(); |
| document.getElementById('timing').innerHTML = 'Graphs loaded in ' + ( end - start ) + ' ms.'; |
| }); |
| }; |
| |
| refresh(); |
| }); |
| </script> |
| </body> |
| </html> |
