| <!-- |
| 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"> |
| <meta name="viewport" content="width=device-width, initial-scale=1" /> |
| <script src="lib/simpleRequire.js"></script> |
| <script src="lib/config.js"></script> |
| <script src="lib/jquery.min.js"></script> |
| </head> |
| |
| <body> |
| <style> |
| html, |
| body, |
| #main { |
| width: 100%; |
| height: 100%; |
| } |
| </style> |
| <button id="toggleBtn">toggle type</button> |
| <div id="main"> |
| <div> |
| <script> |
| require([ |
| 'echarts', |
| ], function (echarts) { |
| var chart = echarts.init(document.getElementById('main')); |
| |
| const getOptions = (colorType = 'target') => |
| ({ |
| series: { |
| type: 'sankey', |
| data: [ |
| { |
| name: 'a' |
| }, |
| { |
| name: 'b', |
| itemStyle: { |
| color: 'red' |
| } |
| } |
| ], |
| links: [ |
| { |
| source: 'a', |
| target: 'b', |
| value: 5, |
| lineStyle: { |
| color: 'target' |
| }, |
| emphasis: { |
| lineStyle: { |
| color: colorType, |
| } |
| } |
| }, |
| ] |
| } |
| }) |
| |
| chart.setOption(getOptions()); |
| |
| let i = 1; |
| |
| const colorTypes = ['target', 'source', 'gradient']; |
| |
| window.toggleBtn.onclick = () => { |
| const a = (i++) % 3; |
| |
| const type = colorTypes[a]; |
| |
| chart.setOption(getOptions(type)); |
| } |
| }); |
| </script> |
| </body> |
| |
| </html> |
