React 引入echarts插件操作

引入echarts

•   npm install --save echarts-for-react
    npm install echarts --save //如果有报错找不到echarts模块，需要在安装一下exharts'
  

•   //引入组件
     import ReactEcharts from 'echarts-for-react';
  

•   //定义参数
        getoption = () =>{
                 let option = {
        title: {
            text: '某站点用户访问来源',
            subtext: '纯属虚构',
            left: 'center'
        },
        tooltip: {
            trigger: 'item',
            formatter: '{a} <br/>{b} : {c} ({d}%)'
        },
        legend: {
            orient: 'vertical',
            left: 'left',
            data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎']
        },
        series: [
            {
                name: '访问来源',
                type: 'pie',
                radius: '55%',
                center: ['50%', '60%'],
                data: [
                    {value: 335, name: '直接访问'},
                    {value: 310, name: '邮件营销'},
                    {value: 234, name: '联盟广告'},
                    {value: 135, name: '视频广告'},
                    {value: 1548, name: '搜索引擎'}
                ],
                emphasis: {
                    itemStyle: {
                        shadowBlur: 10,
                        shadowOffsetX: 0,
                        shadowColor: 'rgba(0, 0, 0, 0.5)'
                    }
                }
            }
        ]
    };
     return option;
    }
  

•   //传入参数
     <ReactEcharts option={this.getOption()}  ref={node => { this.echartspie = node }}
                    onEvents={{'click': this.clickEchartsPie.bind(this)}}/>
  

•   //监听事件的方法
    click = {
        'click': this.clickEchartsPie.bind(this)
    }
    clickEchartsPie(e){
        console.log(e)
    }