var mapp=echarts.init(document.getElementById('l2'),"dark");
option = {
        title: {
          text: '中国疫情图',
          left: 'center'
        },
        tooltip: {
          trigger: 'item'
        },
        legend: {
          orient: 'vertical',
          left: 'left',
          data: ['中国疫情图']
        },
        visualMap: {
          type: 'piecewise',
          pieces: [
            { min: 1000, max: 1000000, label: '大于等于1000人', color: '#372a28' },
            { min: 500, max: 999, label: '确诊500-999人', color: '#4e160f' },
            { min: 100, max: 499, label: '确诊100-499人', color: '#974236' },
            { min: 10, max: 99, label: '确诊10-99人', color: '#ee7263' },
            { min: 1, max: 9, label: '确诊1-9人', color: '#f5bba7' },
          ],
          color: ['#E0022B', '#E09107', '#A3E00B']
        },
        toolbox: {
          show: true,
          orient: 'vertical',
          left: 'right',
          top: 'center',
          feature: {
            mark: { show: true },
            dataView: { show: true, readOnly: false },
            restore: { show: true },
            saveAsImage: { show: true }
          }
        },
        roamController: {
          show: true,
          left: 'right',
          mapTypeControl: {
            'china': true
          }
        },
        series: [
          {
            name: '确诊数',
            type: 'map',
            mapType: 'china',
            roam: false,
            label: {
              show: true,
              color: 'rgb(249, 249, 249)'
            },
            data: []
        }
        ]
      };
               

mapp.setOption(option)
function getData() {
       $.ajax({
         url: "https://view.inews.qq.com/g2/getOnsInfo?name=disease_h5",
         dataType: "jsonp",
         success: function (data) {
           
           var res = data.data || "";
           res = JSON.parse(res);
           var newArr = [];
           //newArr的数据格式为：
           // [{
           //   name: '北京11',
           //   value: 212
           // }, {
           //   name: '天津',
           //   value: 60
           // }]
           if (res) {
             //获取到各个省份的数据
             var province = res.areaTree[0].children;
             for (var i = 0; i < province.length; i++) {
               var json = {
                 name: province[i].name,
                 value: province[i].total.confirm
               }
               newArr.push(json)
             }
             console.log(newArr)
             console.log(JSON.stringify(newArr))
             //使用指定的配置项和数据显示图表
             mapp.setOption({
               series: [
                {
                   name: '确诊数',
                   type: 'map',
                   mapType: 'china',
                   roam: false,
                   label: {
                     show: true,
                     color: 'rgb(249, 249, 249)'
                   },
                   data: newArr
                 }
               ]
             });
           }
         }
 
       })
     }
     getData();