<!--饼状图-->
            <div id="main" style="width: 400px;height: 350px;"></div>

 import echarts from 'echarts'
    export default {
        name: '',
        data () {
            return {
                charts: '',
                opinion:['执行总额','已经执行'],
                type: 'pie',
                opinionData:[
                    {value:400, name:'执行总额'},
                    {value:600, name:'已经执行'},
                ],
            }
        },
        methods:{
            drawPie(id){
                this.charts = echarts.init(document.getElementById(id))
                this.charts.setOption({
                    color: ['#A4B6C9', '#4E7095'],/*饼状图的颜色*/
                    tooltip : {
                        trigger: 'item',
                        formatter: "{b}({d}%)",/*饼状图触碰之后显示的注释文字*/
                    },
                    legend: {
                        left: 'center',/*标签文字排成一行*/
                        y: 'bottom',/*在垂直方向上的底部*/
                        data:this.opinion,
                    },
                    series: [
                        {
                            type: 'pie',   //饼状图
                            center: ['50%', '40%'],    //显示位置
                            name:'',
                            type:'pie',
                            radius:['0%','60%'],/*空心圆的占比*/
                            itemStyle: {
                                emphasis: {
                                    shadowBlur: 10,
                                    shadowOffsetX: 0,
                                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                                },
                                normal: {
                                    borderWidth: 5,/*隔开的白色边界*/
                                    borderColor: '#fff',/*border*/
                                    // labelLine :{show:true}
                                },
                            },

                            avoidLabelOverlap: false,
                            label: {
                                normal: {
                                        show:true,
                                        position:'inner',
                                        textStyle: {
                                            fontWeight: 200,
                                            fontSize: 20   //文字的字体大小
                                        },
                                    formatter: '{d}%',/*饼状图内显示百分比*/
                                    // data:['40%','60%'],
                                },

                                emphasis: {
                                    show: false,/*空心文字出现*/
                                }
                            },
                            labelLine: {
                                normal: {
                                    show: false
                                }
                            },
                            data:this.opinionData
                        }
                    ]
                })
            }
        },
        //调用
        mounted(){
            this.$nextTick(function() {
                this.drawPie('main')
            })
        },
    }