Echarts在线免费图表

 
            var base = +new Date(2012, 9, 3);
var oneDay = 24 * 3600 * 1000;
var date = [];

var data = [Math.random() * 300];

for (var i = 1; i < 2000; i++) {
    var now = new Date(base += oneDay);
    date.push([now.getFullYear(), now.getMonth() + 1, now.getDate()].join('/'));
    data.push(Math.round((Math.random() - 0.5) * 20 + data[i - 1]));
}
console.log(date)
option = {
    tooltip: {
        trigger: 'axis',
        position: function (pt) {
            return [pt[0], '10%'];
        }
    },
    title: {
        left: 'center',
        text: '大数据量面积图',
    },
    toolbox: {
        feature: {
            dataZoom: {
                yAxisIndex: 'none'
            },
            restore: {},
            saveAsImage: {}
        }
    },
    xAxis: {
        type: 'category',
        boundaryGap: false,
        data: date
    },
    yAxis: {
        type: 'value',
        boundaryGap: [0, '100%'],
       min:-800,
       max:800
        
    },
    dataZoom: [{
        type: 'inside',
        startValue: "2012/10/4",
        endValue: "2012/11/4"
    }, {
        startValue: "2012/10/4",
        endValue: "2012/11/4",
        handleIcon: 'M10.7,11.9v-1.3H9.3v1.3c-4.9,0.3-8.8,4.4-8.8,9.4c0,5,3.9,9.1,8.8,9.4v1.3h1.3v-1.3c4.9-0.3,8.8-4.4,8.8-9.4C19.5,16.3,15.6,12.2,10.7,11.9z M13.3,24.4H6.7V23h6.6V24.4z M13.3,19.6H6.7v-1.4h6.6V19.6z',
        handleSize: '80%',
        handleStyle: {
            color: '#fff',
            shadowBlur: 3,
            shadowColor: 'rgba(0, 0, 0, 0.6)',
            shadowOffsetX: 2,
            shadowOffsetY: 2
        }
    }],
    series: [
        {
            name:'模拟数据',
            type:'line',
            smooth:true,
            symbol: 'none',
            sampling: 'average',
            itemStyle: {
                color: 'rgb(255, 70, 131)'
            },
            areaStyle: {
                color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                    offset: 0,
                    color: 'rgb(255, 158, 68)'
                }, {
                    offset: 1,
                    color: 'rgb(255, 70, 131)'
                }])
            },
            data: data
        }
    ]
};
var database= +new Date(2012, 9, 3);
var database2= +new Date(2012, 10, 3);

setInterval(function () {

     var now = new Date(database += oneDay);
     var now2 = new Date(database2 += oneDay);
    var date1=[now.getFullYear(), now.getMonth() + 1, now.getDate()].join('/');
    var date2=[now2.getFullYear(), now2.getMonth() + 1, now2.getDate()].join('/');

    myChart.dispatchAction({
    type: 'dataZoom',
        startValue: date1,
        endValue: date2
    });
    
}, 100);