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