Echarts在线免费图表

 
            option = {
    xAxis: {},
    yAxis: {},
    series: [{
        symbolSize: 20,
        data: [
            // [(72/3)*0, 72/(1+1)*1],
            // [(72/3)*1, 72/(3+1)*1],
            // [(72/3)*1, 72/(3+1)*2],
            // [(72/3)*1, 72/(3+1)*3],
            // [(72/3)*2, 72/(6+1)*1],
            // [(72/3)*2, 72/(6+1)*2],
            // [(72/3)*2, 72/(6+1)*3],
            // [(72/3)*2, 72/(6+1)*4],
            // [(72/3)*2, 72/(6+1)*5],
            // [(72/3)*2, 72/(6+1)*6],
            // [(72/3)*3, 72/(10+1)*1],
            // [(72/3)*3, 72/(10+1)*2],
            // [(72/3)*3, 72/(10+1)*3],
            // [(72/3)*3, 72/(10+1)*4],
            // [(72/3)*3, 72/(10+1)*5],
            // [(72/3)*3, 72/(10+1)*6],
            // [(72/3)*3, 72/(10+1)*7],
            // [(72/3)*3, 72/(10+1)*8],
            // [(72/3)*3, 72/(10+1)*9],
            // [(72/3)*3, 72/(10+1)*10],
            [ 0, 30 ],
[ 20, 15 ],
[ 20, 30 ],
[ 20, 45 ],
[ 40, 8.571428571428571 ],
[ 40, 17.142857142857142 ],
[ 40, 25.714285714285715 ],
[ 40, 34.285714285714285 ],
[ 40, 42.857142857142854 ],
[ 40, 51.42857142857143 ],
[ 60, 5.454545454545454 ],
[ 60, 10.909090909090908 ],
[ 60, 16.363636363636363 ],
[ 60, 21.818181818181817 ],
[ 60, 27.272727272727273 ],
[ 60, 32.72727272727273 ],
[ 60, 38.18181818181818 ],
[ 60, 43.63636363636363 ],
[ 60, 49.09090909090909 ],
[ 60, 54.54545454545455 ] ,
            
        ],
        type: 'scatter'
    }]
};

// x: 最大公倍数/(最大列数 - 1) * (第n列 -1)
// y: 最大公倍数/(该列个数 + 1) * 第n个