JavaScript随笔一篇_weixin_34004576的博客-程序员秘密

作者： Truly
日期：2007.7.31

近期Post了不少Javascript文章，还是收到不少支持，你们的回复是我写下去的动力，谢谢你们！

刚刚研究了一下 新浪的 财经板块，其中对股票数据的处理真的是跟我的 MVC模式的文章不谋而合啊。我顺手写了2段代码，大家看看。

Stock.html

<! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
< html >
< head >
     < title > Truly's stock </ title >
     < script  src =data.js ></ script >
     < style >
/*  change_color  */
.incolor { color : #FF0000 ; }
.decolor { color : #008000 ; }
#itemTickettime
{
    font-size : 12px ;
}
span,div { font-size : 12px ; }
     </ style >
</ head >

< body >
< script  id =vsdata ></ script >
< input  id =mystock  value ='000001' >< br >< br >
< input  id ='sh'  type =radio  name ='type'  checked value =1 > sh < input  type =radio  name ='type'  value =2 > sz
< br >< br >
< input  type =button  value ='  Go ' onclick ='loadMyStockList()' >   < input  type =button  value ='  Stop ' onclick ='stopFresh()' >< br >< br >
< div  class ="tbtb01" >
< span  id ='name' ></ span >
< div >< span  id ="itemMarket" > - </ span >   < span  id ='code' ></ span >   &nbsp;&nbsp; 昨收 < span  id ='s' ></ span > &nbsp;&nbsp; 今开 < span  id ='k' ></ span ></ div >
</ div >
< div  class ="tbtb02" >
< h3  id ="itemCurrent"  class ="incolor" > - </ h3 >
< span  class ="fRed01"  id ="itemcurrprice" > - </ span > &nbsp;&nbsp; < span  class ="fRed01"  id ="itemDiffpercent" > - </ span >
< span  id ="itemTickettime" > - </ span >
</ div >
</ body >
</ html >

Data.js

var  AppConf  =  {
    Interval_1s: 1 * 1000 ,
    Interval_AginReq: 500 ,
    url:'http: // hq.sinajs.cn/format=js&func=S_Finance.upconstants.setData();&list='

};

function  $(id){ return  document.getElementById(id);};
function  $C(nodeName){ return  document.createElement(nodeName);};
function  gt(){ if ($('sh').checked)  return  'sh' + $('mystock').value; return  'sz' + $('mystock').value;}
var  timer;
var  itemCurrent;
function  loadMyStockList()
{
    itemCurrent  =  $( " itemCurrent " );
    fullcode = gt();
    clearInterval(timer);
    timer  =  setInterval( " Truly.load_data_script(AppConf.url+gt(),'vsdata'); " ,  1000 );
}
function  stopFresh()
{
    clearInterval(timer);
}
var  jk,zs;
var  currprice,currnum;
var  _A = function (t,c){t.appendChild(c)};
var  fullcode  =  'sh600390';
var  Truly  =  {
    load_data_script: function (url,idname)
    {
         var  h  =   new  Date().getHours();
         var  m  =   new  Date().getMinutes();
         if (h  <   9   ||  (h > 15 )  ||  (h  ==   15 &&  m > 10 )) stopFresh();
         var  obj = $(idname);
         if (obj){obj.parentNode.removeChild(obj);};
         var  newscript = $C( " script " );
        newscript.type = " text/javascript " ;
        newscript.src = url;
        newscript.id = idname;
        _A(document.body,newscript);
    }
}
var  S_Finance = {};
S_Finance.upconstants = {itemTickettime: null ,servertime: null ,
setData: function (){
     this .itemTickettime = $( " itemTickettime " ).innerHTML;
    eval( " this.hq_str_symbol = hq_str_ " + fullcode);
     if ( this .hq_str_symbol != null   &&   this .hq_str_symbol != undefined  &&   this .hq_str_symbol != " undefined "   &&   this .hq_str_symbol != "" )
    {
         this .chgedary = new  Array();
         this .chgedarylen = 0 ;
         this .cacheidx = 0 ;
         this .setValue( this .hq_str_symbol);
         this .initflag = 1 ;
    }
     else
    {
        setTimeout( this ._updata._Bind( this ),AppConf.Interval_AginReq);
         return   true ;
    };
     this .setFlash = function (tid)
    {
         var  _tidColor = $(tid).style.color;
        setTimeout( function (){$(tid).style.color = " #000000 " ;}, 400 );
        setTimeout( function (){$(tid).style.color = _tidColor;}, 600 );
        setTimeout( function (){$(tid).style.color = " #000000 " ;}, 800 );
        setTimeout( function (){$(tid).style.color = _tidColor;}, 1000 );
    };
     if ( this .itemTickettime != $( " itemTickettime " ).innerHTML)
    {
        $( " itemcurrprice " ).style.fontFamily = " Arial " ;
        $( " itemcurrprice " ).style.fontSize = " 11px " ;
        $( " itemDiffpercent " ).style.fontFamily = " Arial " ;
        $( " itemDiffpercent " ).style.fontSize = " 11px " ;
         this .setFlash( " itemCurrent " );
         this .setFlash( " itemcurrprice " );
         this .setFlash( " itemDiffpercent " );
    };
     return   true ;
},
    setValue: function (data)
    {
         var  dataContent = data;
         if (dataContent){
            dataContent.replace( " \r " , "" );dataContent.replace( " \n " , "" );
             var  dataArray = dataContent.split( " , " );
             var  arrayLen = dataArray.length;
        }
        $( " itemTickettime " ).innerHTML = dataArray[ 30 ] + "   " + dataArray[ 31 ];
        $( " itemCurrent " ).innerHTML = dataArray[ 3 ];
        $( " name " ).innerHTML = dataArray[ 0 ];
        $( " code " ).innerHTML = fullcode;
        currprice  =  (dataArray[ 3 ] * 1000 - dataArray[ 2 ] * 1000 ) / 1000 ;
        currnum = (dataArray[ 3 ] * 1000 - dataArray[ 2 ] * 1000 ) / ( 10 * dataArray[ 2 ]);
        $( " itemcurrprice " ).innerHTML = currprice;
        $( " itemDiffpercent " ).innerHTML =  Math.round(currnum * 100 ) / 100   +  ' % ';
        jk = dataArray[ 1 ];
        zs = dataArray[ 2 ];
        
        $( " k " ).innerHTML = jk;
        $( " s " ).innerHTML = zs;
         if (dataArray[ 3 ]  > zs) itemCurrent.style.color = '#FF0000';
         else   if (dataArray[ 3 ]  == zs) itemCurrent.style.color = '# 000000 ';
         else  itemCurrent.style.color = '# 008000 ';
        $( " itemcurrprice " ).style.color = itemCurrent.style.color;
        $( " itemDiffpercent " ).style.color = itemCurrent.style.color;
    }
}

呵呵，写的很简单就不往首页放了。大家慢慢看，玩股票的兄弟们祝你们都赚到钱，不玩股票的就多研究研究技术。这里下载源码。

enjoy code！