react单车项目，echart图的使用

import React from 'react'
import { Card } from 'antd'
import ReactEcharts from 'echarts-for-react';
import echartTheme from '../echartTheme'
// import echarts from 'echarts'
// 引入 ECharts 主模块
import echarts from 'echarts/lib/echarts'
// 引入饼图和折线图
import 'echarts/lib/chart/bar'
// 引入提示框和标题组件
import 'echarts/lib/component/tooltip';
import 'echarts/lib/component/title';
import 'echarts/lib/component/legend';
import 'echarts/lib/component/markPoint';
export default class Bar extends React.Component {
    state={}
    //注入主题色
        componentWillMount(){
            echarts.registerTheme('Imooc',echartTheme);
        }
    
        getOption(){
            let option = {
                title: {
                    text: '用户骑行订单'
                },
                tooltip : {
                    trigger: 'axis'
                },
                xAxis: {
                    data: [
                        '周一',
                        '周二',
                        '周三',
                        '周四',
                        '周五',
                        '周六',
                        '周日'
                    ]
                },
                yAxis: {
                    type: 'value'
                },
                series: [
                    {
                        name: '订单量',
                        type: 'bar',
                        data: [
                            1000,
                            2000,
                            1500,
                            3000,
                            2000,
                            1200,
                            800
                        ]
                    }
                ]
            }
            return option;
        }
    
        getOption2(){
            let option = {
                title: {
                    text: '用户骑行订单'
                },
                tooltip : {
                    trigger: 'axis'
                },
                legend:{
                    data:['OFO','摩拜','小蓝']
                },
                xAxis: {
                    data: [
                        '周一',
                        '周二',
                        '周三',
                        '周四',
                        '周五',
                        '周六',
                        '周日'
                    ]
                },
                yAxis: {
                    type: 'value'
                },
                series: [
                    {
                        name: 'OFO',
                        type: 'bar',
                        data: [
                            2000,
                            3000,
                            5500,
                            7000,
                            8000,
                            12000,
                            20000
                        ]
                    },
                    {
                        name: '摩拜',
                        type: 'bar',
                        data: [
                            1500,
                            3000,
                            4500,
                            6000,
                            8000,
                            10000,
                            15000
                        ]
                    },
                    {
                        name: '小蓝',
                        type: 'bar',
                        data: [
                            1000,
                            2000,
                            2500,
                            4000,
                            6000,
                            7000,
                            8000
                        ]
                    },
                ]
            }
            return option;
        }
    
        render(){
            return (
                <div>
                {/* //使用主题 */}
                    <Card title="柱形图表之一">
                        <ReactEcharts option={this.getOption()} theme="Imooc" notMerge={true} lazyUpdate={true} style={{ height: 500 }} />
                    </Card>
                    <Card title="柱形图表之二" style={{marginTop:10}}>
                        <ReactEcharts option={this.getOption2()} theme="Imooc" notMerge={true} lazyUpdate={true} style={{ height: 500 }} />
                    </Card>
                </div> 
            );
        }
}