投票人数 1200人echarts 饼配置项内容和展示

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      option = {
    title: {
        
        text:"投票人数\n1200人",
        x:'center',
        y:'center',
        subtextStyle:{
            fontWeight:'500',
            fontSize:26
        }
    },
    tooltip :{
        trigger:'item',
        formatter:function(params, ticket, callback){
            var res = params.seriesName;
            res += '<br/>' + params.name + ' : ' + params.percent + '%';
            return res;
        }
    },
    series: [{
        name:'满意度',
        type: 'pie',
        radius:['50%','70%'],
        data:[
            {
                value:500,
                name:'满意'
            },
            {
                 value:400,
                name:'一般'
            },
            {
                 value:300,
                name:'不满意'
            }
            ]
    }]
};