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本教程操作环境：Windows10系统、react18.0.0版、Dell G3电脑。
react项目怎么增加echarts饼图？
在React项目中使用echarts饼状图
一、安装
npm install echarts --save
登录后复制二、引入
import echarts from "echarts/lib/echarts";import "echarts/lib/chart/pie"; //饼状图import "echarts/lib/component/tooltip";import "echarts/lib/component/title";import "echarts/lib/component/legend"import "echarts/lib/component/markPoint"
登录后复制三、使用
componentDidMount() { //环形图百分比 var huan_val = document.getElementsByClassName("huan")[0]; var chart = echarts.init(huan_val); let option = { color: ["#f8e367", "#99dfff", "#58c0f0", "#5ea6ff", "#ff9e48", "#bcbcbc"], series: [{ name: "驾驶分析", type: "pie", radius: ["60%", "80%"], avoidLabelOverlap: false, label: { normal: { show: false, position: "center" }, emphasis: { show: true, textStyle: { fontSize: "30", fontWeight: "bold" } } }, labelLine: { normal: { show: false } }, data: [{ value: 33, name: "慢速" }, { value: 26, name: "低速" }, { value: 6, name: "中速" }, { value: 2, name: "高速" }, { value: 3, name: "超速" }, { value: 30, name: "怠速" }] }] }; chart.setOption(option); }登录后复制render(){return( )}登录后复制四、结果
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