websocket获取okcoin中国日交易数据

浏览数：161 / 时间：2015年06月09日

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>获取okcoin中国日交易数据</title>
<style>
table,td,th{
    border:1px solid #000;
    border-collapse:collapse;
}
</style>
</head>

<body>
<table id="ok_data"></table>
<script type="text/javascript">
var wsUri="wss://real.okcoin.cn:10440/websocket/okcoinapi"; //国际站 real.okcoin.cn 替换成 real.okcoin.com
var ok_data=document.getElementById(‘ok_data‘); 
var websocket=new WebSocket(wsUri);
var flag=false;
var obj={};
var arr=[];
websocket.onopen=function(evt){
/*
websocket.send("{‘event‘:‘addChannel‘,‘channel‘:‘ok_btccny_kline_X‘}");
①x值为：1min,3min,5min,15min,30min,1hour,2hour,4hour,6hour,12hour,day,3day,week
②返回格式:[时间 ,开盘价,最高价,最低价,收盘价,成交量 ]
# Request 
{‘event‘:‘addChannel‘,‘channel‘:‘ok_btccny_kline_1min‘}
# Response
[{
  "channel":"ok_btccny_kline_1min",
  "data":{
       [[1411720800000,2466.98,2467.98,2466.21,2467.97,101.3],
       [1411720860000,2467.96,2467.98,2467.94,2467.98,5.89]]
   }
}]
  
*/
    websocket.send("{‘event‘:‘addChannel‘,‘channel‘:‘ok_btccny_kline_day‘}");
}
websocket.onmessage=function(evt){
    var re_data=evt.data;
    if(re_data.indexOf(‘[‘)==0){
        re_data=re_data.substring(1,re_data.length-1);
    }
    var obj=JSON.parse(re_data);
    if(flag==false)//false为第一次加载
    {
        arr=eval(obj.data);
        displayData(arr);
        flag=true;
    }
}
function displayData(arr){
    var str="";
    var times,years,months,date;
    str+="<tr><th>日期</th><th>开盘</th><th>最高</th><th>最低</th><th>收盘</th><th>成交量</th></tr>";
    for(var i=0;i<arr.length-1;i++)//最后一项数据为当日数据，不完整,略去
    {
        str+="<tr>";
        for(var j=0;j<arr[i].length;j++)
        {
            if(j==0){
                times=new Date(arr[i][j]);
                years=times.getFullYear();
                months=times.getMonth()+1;
                date=times.getDate();
                str+="<td>"+years+"."+months+"."+date+"</td>"
            }
            else{
                str+="<td>"+arr[i][j]+"</td>"
            }
        }
        str+="</tr>";
    }
    ok_data.innerHTML=str;
}
</script>
</body>
</html>