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  • react项目引用Echarts中的词云图

    在这里插入图片描述

    最近在react项目中遇到词云图,在echarts中关于词云图的demo较少,以下为实现代码:

    import React, { Component } from "react";
    import ReactEcharts from "echarts-for-react";
    import { Row, Col } from "antd";
    import * as echarts from "echarts";
    import "echarts-wordcloud";
    
    export default class Wordcloud extends Component {
      wordOption = () => {
        let maskImage = new Image();
        // 此为词云图呈现形状的图片base64码,可选,可以自定义图片
        maskImage.src =
          "data:image/svg+xml;utf8;base64,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";
        let wordData = [
          {
            name: "Sam S Club",
            value: 10000
          },
          {
            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: "Point Break",
            value: 265
          }
        ];
    
        let option = {
          backgroundColor: "#fff",
          tooltip: {
            pointFormat: "{series.name}: <b>{point.percentage:.1f}%</b>"
          },
          series: [
            {
              type: "wordCloud",
              gridSize: 1,
              // Text size range which the value in data will be mapped to.
              // Default to have minimum 12px and maximum 60px size.
              sizeRange: [12, 55],
              // Text rotation range and step in degree. Text will be rotated randomly in range [-90,                                                                             90] by rotationStep 45
    
              rotationRange: [-45, 0, 45, 90],  // 词语呈现的角度,翻转的角度
              maskImage: maskImage, // 呈现形状图片, 可选
              textStyle: {
                normal: {   // 词语呈现的颜色
                  color: function() {
                    return (
                      "rgb(" +
                      Math.round(Math.random() * 255) +
                      ", " +
                      Math.round(Math.random() * 255) +
                      ", " +
                      Math.round(Math.random() * 255) +
                      ")"
                    );
                  }
                }
              },
              // Folllowing left/top/width/height/right/bottom are used for positioning the word cloud
              // Default to be put in the center and has 75% x 80% size.
              left: "center",
              top: "center",
              right: null,
              bottom: null,
              width: "90%",
              height: "110%",
              data: wordData
            }
          ]
        };
        return option;
      };
    
      render() {
        return (
          <div style={{ marginTop: "50px", width: "82%" }}>
            <Row>
              <Col md={24}>
                <ReactEcharts
                  //   style={{  "56%" }}
                  option={this.wordOption()}
                  theme="ThemeStyle"
                />
              </Col>
            </Row>
          </div>
        );
      }
    }
    
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  • 原文地址:https://www.cnblogs.com/Mine-/p/14098591.html
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