寒假学习进度-11（词云图的使用）

Posted 2021-03-11 liujinxin123

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词云图属于 echarts 的扩展。如果想用 echarts 画词云图，需要另外引入

echarts-wordcloud.min.js。可以从 echarts 官网的下载-》扩展下载中找到。

技术图片

点进去就是字符云的 github 库，在这里下载 echarts-wordcloud.min.js

示例：

<html>
    <head>
        <meta charset="utf-8">
        <script src=‘https://cdn.bootcss.com/echarts/3.7.0/echarts.simple.js‘></script>
        <script src=‘dist/echarts-wordcloud.js‘></script>
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
                margin: 0;
            }
        </style>
        <div id=‘main‘></div>
        <script>
            var chart = echarts.init(document.getElementById(‘main‘));

            var option = {
                tooltip: {},
                series: [ {
                    type: ‘wordCloud‘,
                    gridSize: 2,
                    sizeRange: [12, 50],
                    rotationRange: [-90, 90],
                    shape: ‘pentagon‘,
                    width: 600,
                    height: 400,
                    drawOutOfBound: true,
                    textStyle: {
                        normal: {
                            color: function () {
                                return ‘rgb(‘ + [
                                    Math.round(Math.random() * 160),
                                    Math.round(Math.random() * 160),
                                    Math.round(Math.random() * 160)
                                ].join(‘,‘) + ‘)‘;
                            }
                        },
                        emphasis: {
                            shadowBlur: 10,
                            shadowColor: ‘#333‘
                        }
                    },
                    data: [
                        {
                            name: ‘Sam S Club‘,
                            value: 10000,
                            textStyle: {
                                normal: {
                                    color: ‘black‘
                                },
                                emphasis: {
                                    color: ‘red‘
                                }
                            }
                        },
                        {
                            name: ‘Macys‘,
                            value: 6181
                        },
                        {
                            name: ‘Amy Schumer‘,
                            value: 4386
                        },
                        {
                            name: ‘Jurassic World‘,
                            value: 4055
                        },
                        {
                            name: ‘Charter Communications‘,
                            value: 2467
                        },
                        {
                            name: ‘Chick Fil A‘,
                            value: 2244
                        },
                        {
                            name: ‘Planet Fitness‘,
                            value: 1898
                        },
                        {
                            name: ‘Pitch Perfect‘,
                            value: 1484
                        },
                        {
                            name: ‘Express‘,
                            value: 1112
                        },
                        {
                            name: ‘Home‘,
                            value: 965
                        },
                        {
                            name: ‘Johnny Depp‘,
                            value: 847
                        },
                        {
                            name: ‘Lena Dunham‘,
                            value: 582
                        },
                        {
                            name: ‘Lewis Hamilton‘,
                            value: 555
                        },
                        {
                            name: ‘KXAN‘,
                            value: 550
                        },
                        {
                            name: ‘Mary Ellen Mark‘,
                            value: 462
                        },
                        {
                            name: ‘Farrah Abraham‘,
                            value: 366
                        },
                        {
                            name: ‘Rita Ora‘,
                            value: 360
                        },
                        {
                            name: ‘Serena Williams‘,
                            value: 282
                        },
                        {
                            name: ‘NCAA baseball tournament‘,
                            value: 273
                        },
                        {
                            name: ‘Point Break‘,
                            value: 265
                        }
                    ]
                } ]
            };

            chart.setOption(option);

            window.onresize = chart.resize;
        </script>
    </body>
</html>