动态更新echarts k线图数据 通过websocket取数据

1.加载插件，实例化chart.
2.链接websocket
3.接收数据，处理数据，调用chart的实例,不断更新数据
<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
<div id="container"></div>
<p id="CommodityNo">50</p>
<script src="k/esl.js"></script>
<script>
    //加载插件
    var aa=require.config({
        paths:{
            'echarts' :'k/echarts',
            'echarts/chart/pie' :'k/echarts',
        }
    });
    function loadK(){
        // 使用
        require(
                [
                    'echarts',
                    'echarts/chart/pie', // 使用柱状图就加载bar模块，按需加载
                ],
                function (ec) {
                    // 基于准备好的dom，初始化echarts图表
                    myChart = ec.init(document.getElementById('container'));

                    echarts=ec;
                }
        );

    };
    var marketSocketUrl="";//websocket地址
    var marketUserName="";//websocket名字
    var marketPassword="";//websocket密码
    marketSocket = new WebSocket(marketSocketUrl);
    var setIntvalTime = null;
    marketSocket.onopen = function(evt){
        masendMessage('Login','{"UserName":"'+marketUserName+'","PassWord":"'+marketPassword+'"}');
    };
    marketSocket.onclose = function(evt){};
    marketSocket.onmessage = function(evt){
        var data = evt.data;
         if(method == "OnRspQryHistoryData"){
            var historyParam = jsonData;
            if(historyParam.Parameters==null){
                return
            };
            processingData(data);
        }
    };
    marketSocket.onerror = function(evt){
    };
    var rawData = [];
    var CandlestickChartOption=null;
    var CandlestickVolumeChartOption=null;
    var newData=[];
    function processingData(jsonData){
        var parameters = jsonData.Parameters.Data;
        if(jsonData == null)return;
        newData=parameters.data;//处理数据，更新数据
        var x=0;
        if(dataPricesList.length!=0){
            for(var i=0;i<dataPricesList.length;i++){
                if(dataPricesList[i].id==$("#CommodityNo").text()){
                    x=dataPricesList[i].prices;//获取标线的价格
                }
            }
        }
        CandlestickChartOption = setOption(newData,x);
        myChart.setOption(CandlestickChartOption);
        myChart.resize();

    }
    //设置数据参数（为画图做准备）
    function setOption(rawData,x){
        var dates = rawData.map(function (item) {
            return item[0];
        });
        var data = rawData.map(function (item) {
            return [+item[1], +item[2], +item[5], +item[6]];
        });
        var option = {
            backgroundColor: 'rgba(43, 43, 43, 0)',
            tooltip: {
                trigger: 'axis',
                axisPointer : {
                    type : 'line',
                    animation: false,
                    lineStyle: {
                        color: '#ffffff',
                        width: 1,
                        opacity: 1
                    }
                },
                formatter: function (params) {
                    var res = "时间:"+params[0].name;
                    res += '<br/>  开盘 : ' + params[0].value[0] + '<br/>  最高 : ' + params[0].value[3];
                    res += '<br/>  收盘 : ' + params[0].value[1] + '<br/>  最低 : ' + params[0].value[2];
                    return res;
                }
            },
            grid: {
                x: 43,
                y:20,
                x2:46,
                y2:5
            },
            xAxis: {
                type: 'category',
                data: dates,
                show:false,
                axisLine: { lineStyle: { color: '#8392A5' } }
            },
            yAxis: {
                scale: true,
                axisLine: { lineStyle: { color: '#8392A5' } },
                splitLine: { show: false },
                axisTick:{
                    show:false,
                },
                splitArea: {
                    show: false
                },
                axisLabel: {
                    inside: false,
                    margin: 4
                },
                splitLine: {
                    show: true,
                    lineStyle: {
                        color: "#8392A5"
                    }
                }
            },
            animation: false,
            series: [
                {
                    type: 'candlestick',
                    name: '',
                    data: data,
                    markLine: {
                        symbol: ['none', 'none'],
                        clickable:false,
                        data: [
                            {name: '标线2起点', value: x, xAxis: "1", yAxis: x}, //持仓均线
                            {name: '标线2终点', xAxis: "2", yAxis: x}
                        ]
                    },
                    itemStyle: {
                        normal: {
                            color: '#FD1050',
                            color0: '#0CF49B',
                            borderColor: '#FD1050',
                            borderColor0: '#0CF49B'
                        }
                    }
                }
            ]
        }
        return option;
    };
</script>
</body>
</html>