weiyong
/
201912G11


			
				
					
						
						
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							<!DOCTYPE html>
<meta charset="UTF-8">
<head>
    <title>可视化动态数据</title>
   <link rel="stylesheet" href="css/common.css" />
   <script type="text/javascript" src="js/jquery-3.3.1.min.js" ></script>
  
    <style>
        .l{
            flex: 1;
            display: flex;
            padding-top: 2rem;
            flex-direction: column;
        }
        .chart-wrap{
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .chart{
            flex: 1;
        }
    </style>
</head>

<body id="pb_studyPlan">
<div id="container">
   <script type="text/javascript" src="js/common.js" ></script>
    <header></header>
    <nav>
        <a href="index.html">回首页</a>
        <a href="map2d.html">进入地图</a>
       
    </nav>
    <main>
        <div class="l">
            <div class="chart-wrap">
                <h3>可视化动态数据页面展示</h3>
                <div class="chart" id="ec01_line_studyPlan">
                	
                	 <div id="con" style="width:1300px;height:500px"></div>
                	<script type="text/javascript" src="js/echarts-4.2.0.min.js" ></script>
		 <script type="text/javascript">
		var dom = document.getElementById("con");
var myChart = echarts.init(dom);
var app = {};
option = null;
option = {
    title: {
        text: '动态数据',
        
    },
    tooltip: {
        trigger: 'axis',
        axisPointer: {
            type: 'cross',
            label: {
                backgroundColor: 'green'
            }
        }
    },
    legend: {
        data:['最新成交价', '预购队列']
    },
    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: 'value',
            scale: true,
            name: '价格',
            max: 30,
            min: 0,
            boundaryGap: [0.2, 0.2]
        },
        {
            type: 'value',
            scale: true,
            name: '预购量',
            max: 1200,
            min: 0,
            boundaryGap: [0.2, 0.2]
        }
    ],
    series: [
        {
            name:'预购队列',
            type:'bar',
            xAxisIndex: 1,
            yAxisIndex: 1,
            data:(function (){
                var res = [];
                var len = 10;
                while (len--) {
                    res.push(Math.round(Math.random() * 1000));
                }
                return res;
            })()
        },
        {
            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;
            })()
        }
    ]
};

app.count = 11;
setInterval(function (){
    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);
;
if (option && typeof option === "object") {
    myChart.setOption(option, true);
}
      </script>    	
                </div>
            </div>
        </div>

    </main>
</div>

</body>
</html>