|  | <!DOCTYPE html> | 
|  | <!-- | 
|  | 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 | 
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|  | http://www.apache.org/licenses/LICENSE-2.0 | 
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|  | 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> | 
|  | <script src="lib/facePrint.js"></script> | 
|  | <script src="lib/testHelper.js"></script> | 
|  | <script src="lib/dat.gui.min.js"></script> | 
|  | <link rel="stylesheet" href="lib/reset.css" /> | 
|  | </head> | 
|  | <body> | 
|  | <style> | 
|  | body { | 
|  | background-color: #eee; | 
|  | text-align: center; | 
|  | padding-top: 20px; | 
|  | } | 
|  | .chart { | 
|  | border-radius: 5px; | 
|  | box-shadow: 0 0 10px rgba(0, 0, 0, 0.2); | 
|  | margin: 20px auto; | 
|  | width: 360px; | 
|  | height: 200px; | 
|  | background-color: #fff; | 
|  | text-align: left; | 
|  | } | 
|  | .dg { | 
|  | text-align: left; | 
|  | } | 
|  | </style> | 
|  |  | 
|  |  | 
|  |  | 
|  | <div id="main0"></div> | 
|  |  | 
|  |  | 
|  |  | 
|  |  | 
|  |  | 
|  |  | 
|  |  | 
|  |  | 
|  |  | 
|  | <script> | 
|  | require(['echarts'], function (echarts) { | 
|  | const datas = [ | 
|  | //////////////////////////////////////// | 
|  | [ | 
|  | { name: '圣彼得堡来客', value: 5.6 }, | 
|  | { name: '陀思妥耶夫斯基全集', value: 1 }, | 
|  | { name: '史记精注全译(全6册)', value: 0.8 }, | 
|  | { name: '加德纳艺术通史', value: 0.5 }, | 
|  | { name: '表象与本质', value: 0.5 }, | 
|  | { name: '其它', value: 3.8 } | 
|  | ], | 
|  |  | 
|  | // //////////////////////////////////////// | 
|  | [ | 
|  | { name: '银河帝国5:迈向基地', value: 3.8 }, | 
|  | { name: '俞军产品方法论', value: 2.3 }, | 
|  | { name: '艺术的逃难', value: 2.2 }, | 
|  | { name: '第一次世界大战回忆录(全五卷)', value: 1.3 }, | 
|  | { name: 'Scrum 精髓', value: 1.2 }, | 
|  | { name: '其它', value: 5.7 } | 
|  | ], | 
|  |  | 
|  | //////////////////////////////////////// | 
|  | [ | 
|  | { name: '克莱因壶', value: 3.5 }, | 
|  | { name: '投资最重要的事', value: 2.8 }, | 
|  | { name: '简读中国史', value: 1.7 }, | 
|  | { name: '你当像鸟飞往你的山', value: 1.4 }, | 
|  | { name: '表象与本质', value: 0.5 }, | 
|  | { name: '其它', value: 3.8 } | 
|  | ] | 
|  | ]; | 
|  |  | 
|  | const charts = []; | 
|  |  | 
|  | datas.forEach(function (data) { | 
|  | const dom = document.createElement('div'); | 
|  | dom.classList.add('chart'); | 
|  | document.querySelector('#main0').appendChild(dom); | 
|  |  | 
|  | const chart = echarts.init(dom); | 
|  | chart.setOption({ | 
|  | // color: ['#1B2550', '#2A3566', '#2B3C87', '#4853A7', '#858ED8', '#858ED8', '#A3ABEE'], | 
|  | title: { | 
|  | text: '阅读书籍分布', | 
|  | left: 'center', | 
|  | textStyle: { | 
|  | color: '#999', | 
|  | fontWeight: 'normal', | 
|  | fontSize: 14 | 
|  | } | 
|  | }, | 
|  | series: [{ | 
|  | type: 'pie', | 
|  | radius: [20, 60], | 
|  | itemStyle: { | 
|  | borderColor: '#fff', | 
|  | borderWidth: 1 | 
|  | }, | 
|  | label: { | 
|  | alignTo: 'edge', | 
|  | formatter: '{name|{b}}\n{time|{c} 小时}', | 
|  | minMargin: 5, | 
|  | edgeDistance: 10, | 
|  | lineHeight: 15, | 
|  | rich: { | 
|  | time: { | 
|  | fontSize: 10, | 
|  | color: '#999' | 
|  | } | 
|  | } | 
|  | }, | 
|  | labelLine: { | 
|  | length: 15, | 
|  | length2: 0, | 
|  | maxSurfaceAngle: 80 | 
|  | }, | 
|  | labelLayout: function (params) { | 
|  | const isLeft = params.labelRect.x < chart.getWidth() / 2; | 
|  | const points = params.labelLinePoints; | 
|  | // Update the end point. | 
|  | points[2][0] = isLeft | 
|  | ? params.labelRect.x | 
|  | : params.labelRect.x + params.labelRect.width; | 
|  |  | 
|  | return { | 
|  | labelLinePoints: points | 
|  | } | 
|  | }, | 
|  | data: data | 
|  | }] | 
|  | }); | 
|  |  | 
|  | charts.push(chart); | 
|  | }); | 
|  |  | 
|  | const gui = new dat.GUI(); | 
|  | const config = { | 
|  | labelLine: { | 
|  | smooth: 0, | 
|  | maxSurfaceAngle: 80 | 
|  | }, | 
|  | label: { | 
|  | edgeDistance: 10 | 
|  | } | 
|  | }; | 
|  |  | 
|  | function update() { | 
|  | charts.forEach(function (chart) { | 
|  | chart.setOption({ | 
|  | series: { | 
|  | label: Object.assign({}, config.label, { | 
|  | edgeDistance: config.label.edgeDistance | 
|  | }), | 
|  | labelLine: config.labelLine | 
|  | } | 
|  | }); | 
|  | }); | 
|  | } | 
|  |  | 
|  | const labelFolder = gui.addFolder('label'); | 
|  | const labelLineFolder = gui.addFolder('labelLine'); | 
|  | labelFolder.open(); | 
|  | labelLineFolder.open(); | 
|  | labelFolder.add(config.label, 'edgeDistance', 0, 50).onChange(update); | 
|  | labelLineFolder.add(config.labelLine, 'maxSurfaceAngle', 0, 90).onChange(update); | 
|  | labelLineFolder.add(config.labelLine, 'smooth', 0, 1).onChange(update); | 
|  | }); | 
|  | </script> | 
|  |  | 
|  |  | 
|  | </body> | 
|  | </html> | 
|  |  |