Echarts在线免费图表

 
            option = {
    title: {
        text: 'Sample Chart'
    },
    xAxis: {
        type: 'value'
    },
    yAxis: {
        type: 'value'
    },
    series: [{
        type: 'line',
        stack: 'ch1',
        data:[
            [1, 10],
            [2, 20],
            [3, 30]
        ]
    }, {
        type: 'line',
        stack: 'ch1',
        data:[
            [1, 10],
            [2, 20],
            [3, 30]
        ]
    }]
};