通用热力图

描述:当前是关于Echarts图表中的 热力图 示例。
 
            
model = {
    yCates: ['Saturday', 'Friday', 'Thursday',
            'Wednesday', 'Tuesday', 'Monday', 
            'Sunday'],
    xCates: ['1', '2', '3', '4', '5'],
    data: [
        // [yCateIndex, xCateIndex, value]
        [0,0,5],[0,1,7],[0,2,3],[0,3,5],[0,4,2],
        [1,0,1],[1,1,2],[1,2,4],[1,3,8],[1,4,2],
        [2,0,2],[2,1,3],[2,2,8],[2,3,6],[2,4,7],
        [3,0,3],[3,1,7],[3,2,5],[3,3,1],[3,4,6],
        [4,0,3],[4,1,2],[4,2,7],[4,3,8],[4,4,9],
        [5,0,2],[5,1,2],[5,2,3],[5,3,4],[5,4,7],
        [6,0,6],[6,1,5],[6,2,3],[6,3,1],[6,4,2]
    ]
};

data = model.data.map(function (item) {
    return [item[1], item[0], item[2] || '-'];
});

option = {
    tooltip: {
        position: 'top'
    },
    animation: false,
    grid: {
        height: '50%',
        y: '10%'
    },
    xAxis: {
        type: 'category',
        data: model.xCates
    },
    yAxis: {
        type: 'category',
        data: model.yCates
    },
    visualMap: {
        min: 1,
        max: 10,
        calculable: true,
        orient: 'horizontal',
        left: 'center',
        bottom: '30%'
    },
    series: [{
        name: 'Punch Card',
        type: 'heatmap',
        data: data,
        label: {
            normal: {
                show: true
            }
        },
        itemStyle: {
            emphasis: {
                shadowBlur: 10,
                shadowColor: 'rgba(0, 0, 0, 0.5)'
            }
        }
    }]
};