漏刻有时数据可视化Echarts组件开发(17):值域漫游图

  var interVal;
    getMap();
    clearInterval(interVal);
    interVal = setInterval(function () {
        getMap();
    }, 1000);
    function getMap() {
        var cityData = [
            {name: '北京', value: getNum()},
            {name: '天津', value: getNum()},
            {name: '上海', value: getNum()},
            {name: '重庆', value: getNum()},
            {name: '河北', value: getNum()},
            {name: '山西', value: getNum()},
            {name: '辽宁', value: getNum()},
            {name: '吉林', value: getNum()},
            {name: '黑龙江', value: getNum()},
            {name: '江苏', value: getNum()},
            {name: '浙江', value: getNum()},
            {name: '安徽', value: getNum()},
            {name: '福建', value: getNum()},
            {name: '江西', value: getNum()},
            {name: '山东', value: getNum()},
            {name: '河南', value: getNum()},
            {name: '湖北', value: getNum()},
            {name: '湖南', value: getNum()},
            {name: '广东', value: getNum()},
            {name: '海南', value: getNum()},
            {name: '四川', value: getNum()},
            {name: '贵州', value: getNum()},
            {name: '云南', value: getNum()},
            {name: '陕西', value: getNum()},
            {name: '甘肃', value: getNum()},
            {name: '青海', value: getNum()},
            {name: '内蒙古', value: getNum()},
            {name: '广西', value: getNum()},
            {name: '西藏', value: getNum()},
            {name: '宁夏', value: getNum()},
            {name: '新疆', value: getNum()},
            {name: '台湾', value: getNum()},
            {name: '香港', value: getNum()},
            {name: '澳门', value: getNum()},
            {name: '南海诸岛', value: getNum()}
        ];
        var myChart = echarts.init(document.getElementById('map'));
        var option = {
            visualMap: {
                type: "piecewise",
                splitNumber: 5,
                left: '10%',
                top: '10%',
                textStyle: {
                    color: "rgba(0,0,0,0.8)"
                },
                inRange: {
                    color: ['#b6ba87', '#83aba2', '#66a0b6', '#e0ba6f', '#c85960']
                }
            },
            title: {
                text: '值域漫游图',
                top: "5%",
                x: 'center',
                textStyle: {
                    color: '#fff'
                }
            },
            tooltip: {
                trigger: 'item',
                formatter: function (params) {
                    console.log()
                    return params.name + ' : ' + params.value;
                }
            },
            series: [
                {
                    type: 'map',
                    map: 'china',
                    roam: true,
                    aspectScale: 0.75,
                    label: {
                        show: true,
                        color: "#fff"
                    },
                    itemStyle: {
                        areaColor: '#323c48',
                        borderColor: '#111'
                    },
                    emphasis: {
                        areaColor: '#e0ba6f'
                    },
                    data: cityData,
                }
            ]
        };
        myChart.setOption(option);
        window.addEventListener("resize", function () {
            myChart.resize();
        });
    }
    //随机数;
    function getNum() {
        return (Math.random() * 200).toFixed(2);
    }