echarts 折线图

Posted 2021-02-27 zhanglanzuopin

option = {
    title: {
        text: ‘动态数据‘,
        subtext: ‘纯属虚构‘
    },
    tooltip: {
        trigger: ‘axis‘,
        axisPointer: {
            type: ‘cross‘,
            label: {
                backgroundColor: ‘#283b56‘
            }
        }
    },
    
    legend: {
        // data:[‘最新成交价‘, ‘预购队列‘]
        // data:[‘最新成交价‘]
        data: [‘预购队列‘, ‘最新成交价‘, ‘联盟广告‘, ‘视频广告‘]
    },
    toolbox: {
        show: true,
        feature: {
            dataView: {readOnly: false},
            restore: {},
            saveAsImage: {}
        }
    },
    dataZoom: {
        show: false,
        start: 0,
        end: 100
    },
    xAxis: [
        {
            type: ‘category‘,
            boundaryGap: true,
            data: (function (){
                var now = new Date();
                var res = [];
                var len = 10;
                while (len--) {
                    res.unshift(now.toLocaleTimeString().replace(/^D*/,‘‘));
                    now = new Date(now - 2000);
                }
                return res;
            })()
        }
        ,
        {
            type: ‘category‘,
            boundaryGap: true,
            data: (function (){
                var res = [];
                var len = 10;
                while (len--) {
                    res.push(10 - len - 1);
                }
                return res;
            })()
        }
    ],
    yAxis: [
        {
            type: ‘category‘,
            scale: false,
            name: ‘价格‘,
      
            boundaryGap: [0.2, 0.2],
            data: [‘1M‘,‘2M‘,‘3M‘,‘4M‘,‘5M‘,‘6M‘]
        }
        ,
        {
            type: ‘value‘,
            scale: true,
            name: ‘预购量111111‘,
            max: 1200,
            min: 0,
            boundaryGap: [0.2, 0.2]
        }
    ],
    series: [
        {
            name: ‘预购队列‘,
            type: ‘line‘,
            xAxisIndex: 1,
            yAxisIndex: 1,
            // data: (function (){
            //     var res = [];
            //     var len = 10;
            //     while (len--) {
            //         res.push(Math.round(Math.random() * 1000));
            //     }
            //     return res;
            // })()
            data: [100, 250, 300, 450, 550, 600, 120, 530, 500, 500]
        }
        
        ,
        // {
        //     name: ‘最新成交价‘,
        //     type: ‘line‘,
        //     data: (function (){
        //         var res = [];
        //         var len = 0;
        //         while (len < 10) {
        //             res.push((Math.random()*10 + 5).toFixed(1) - 0);
        //             len++;
        //         }
        //         return res;
        //     })()
        // },
        {
            name: ‘联盟广告‘,
            type: ‘line‘,
            xAxisIndex: 1,
            yAxisIndex: 1,
            stack: ‘总量‘,
            data: [220, 182, 191, 234, 290, 330, 310, 200, 500, 700]
        },
        {
            name: ‘视频广告‘,
            type: ‘line‘,
            xAxisIndex: 1,
            yAxisIndex: 1,
            stack: ‘总量‘,
            data: [150, 232, 201, 154, 190, 330, 410, 300, 500]
        },
    ]
};

app.count = 11;
setInterval(function (){
    var axisData = (new Date()).toLocaleTimeString().replace(/^D*/, ‘‘);

    var data0 = option.series[0].data;
    // var data1 = option.series[1].data;
    data0.shift();
    data0.push(Math.round(Math.random() * 1000));
    // data1.shift();
    // data1.push((Math.random() * 10 + 5).toFixed(1) - 0);

    option.xAxis[0].data.shift();
    option.xAxis[0].data.push(axisData);
    option.xAxis[1].data.shift();
    option.xAxis[1].data.push(app.count++);

    myChart.setOption(option);
}, 2100);