var myChart3 = echarts.init(document.getElementById("main3"));

//画现有确诊人数top5省份饼图

var option3 = {
    title: {
        text: '现有确诊人数Top5的省份',
        subtext: '',
        left: 'center',
        textStyle:{
            color:'#FF0000',
            fontFamily:'微软雅黑'
        }
    },
    tooltip: {
        trigger: 'item',
        formatter: '{a} <br/>{b} : {c} ({d}%)'
    },
    legend: {
        type: 'scroll',
        orient: 'vertical',
        right: 10,
        top: 20,
        bottom: 20,
        data: []
    },
    series: [
        {
            name: '省份',
            type: 'pie',
            radius: '55%',
            center: ['40%', '50%'],
            data: [],
            emphasis: {
                itemStyle: {
                    shadowBlur: 10,
                    shadowOffsetX: 0,
                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                }
            }
        }
    ]
};

// 向后台发起请求，获取数据
$.ajax({
    cache: false,
    type:"GET",
    url:"/ProvinceConfirmed_top5",
    data: null,
    dataType : "json",
    async: false,
    error: function(request) {
        alert("发送请求失败！4");
    },
    success: function(result) {
        // pub_date, privinces, curConfirms
        option3.title.subtext = "数据更新时间： " + result.pub_date
        for(i=0; i<result.privinces.length; ++i) {
            option3.legend.data.push(result.privinces[i])
            option3.series[0].data.push({name:result.privinces[i], value:result.curConfirms[i]})
        }
        console.info(result)
    }
});

myChart3.setOption(option3);