option = {
    title: {
        text: '订单量',
        subtext: '纯属虚构',
        left: 'center'
    },
    tooltip: {
        trigger: 'item'
    },
    legend: {
        orient: 'vertical',
        left: 'left',
        data: ['订单量']
    },
    visualMap: {
        type: 'piecewise',
        pieces: [
            {min: 1500},
            {min: 900, max: 1500},
            {min: 310, max: 1000},
            {min: 200, max: 300},
            {min: 10, max: 200, label: '10 到 200（自定义label）'},
            {value: 123, label: '123（自定义特殊颜色）', color: 'grey'},
            {min: 5, max: 5, label: '5（自定义特殊颜色）', color: 'black'},
            {max: 5}
        ],
        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: '订单量',
            type: 'map',
            mapType: 'china',
            roam: false,
            label: {
                show: true,
                color: 'rgb(249, 249, 249)'
            },
            data: [
                {name: '北京',value: 5},
                {name: '天津',value: Math.round(Math.random()*2000)},
                {name: '上海',value: Math.round(Math.random()*2000)},
                {name: '重庆',value: Math.round(Math.random()*2000)},
                {name: '河北',value: 0},
                {name: '河南',value: Math.round(Math.random()*2000)},
                {name: '云南',value: 123},
                {name: '辽宁',value: 305},
                {name: '黑龙江',value: Math.round(Math.random()*2000)},
                {name: '湖南',value: 200},
                {name: '安徽',value: Math.round(Math.random()*2000)},
                {name: '山东',value: Math.round(Math.random()*2000)},
                {name: '新疆',value: Math.round(Math.random()*2000)},
                {name: '江苏',value: Math.round(Math.random()*2000)},
                {name: '浙江',value: Math.round(Math.random()*2000)},
                {name: '江西',value: Math.round(Math.random()*2000)},
                {name: '湖北',value: Math.round(Math.random()*2000)},
                {name: '广西',value: Math.round(Math.random()*2000)},
                {name: '甘肃',value: Math.round(Math.random()*2000)},
                {name: '山西',value: Math.round(Math.random()*2000)},
                {name: '内蒙古',value: Math.round(Math.random()*2000)},
                {name: '陕西',value: Math.round(Math.random()*2000)},
                {name: '吉林',value: Math.round(Math.random()*2000)},
                {name: '福建',value: Math.round(Math.random()*2000)},
                {name: '贵州',value: Math.round(Math.random()*2000)},
                {name: '广东',value: Math.round(Math.random()*2000)},
                {name: '青海',value: Math.round(Math.random()*2000)},
                {name: '西藏',value: Math.round(Math.random()*2000)},
                {name: '四川',value: Math.round(Math.random()*2000)},
                {name: '宁夏',value: Math.round(Math.random()*2000)},
                {name: '海南',value: Math.round(Math.random()*2000)},
                {name: '台湾',value: Math.round(Math.random()*2000)},
                {name: '香港',value: Math.round(Math.random()*2000)},
                {name: '澳门',value: Math.round(Math.random()*2000)}
            ]
        }
    ]
};