JavaScript根據數據生成百分比圖和柱狀圖_計算轉換特效

很不錯的百分比圖和柱狀圖生成程序，基于JavaScript腳本編寫，逼真清淅，生成速度快，用到了VML技術，來源數據可由數據庫讀取，方便實用，而且效果不錯。

<HTML>
<head>
<title>JS百分比圖和柱狀圖</title> 
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 <p class=Chart style='position:absolute;left:225.5pt;top:310.4pt;width:198.5pt;height:5.6pt;color:"#008000";font-family:"Arial";'>Random numbers drawn as a simple pie</p> 
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 <p class=Chart style='position:absolute;left:315.9pt;top:127.3pt;width:39.3pt;height:5.6pt; text-align=left; '>One: 30</p> 
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 <p class=Chart style='position:absolute;left:171.9pt;top:249.6pt;width:39.6pt;height:5.6pt;'>Two: 18</p> 
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  <v:path v=" M 2115 2552 M 1350 1723 L 1546 1694 E "/> 
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 <p class=Chart style='position:absolute;left:83.5pt;top:168.7pt;width:49.9pt;height:5.6pt;'>Three: 13</p> 
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 <p class=Chart style='position:absolute;left:116.3pt;top:86.2pt;width:36.5pt;height:5.6pt;'>Four: 9</p> 
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  <v:path v=" M 1528 918 M 2061 700 L 2102 894 E "/> 
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 <p class=Chart style='position:absolute;left:174.1pt;top:66.4pt;width:30.4pt;height:5.6pt;'>Five: 5</p> 
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<html> 
<head> 
</head>

function generateRandomNumber(num) { 
  return Math.round( Math.random() * (num - 1) ) + 1; 
}

function plottablehead(  val ) 
{ 
   document.writeln("<table border = 0 bgcolor = black width = 10 height = 10 cellpadding = 0 cellspacing = 0>"); 
   document.write("<tr> <i>" + val + "</i>"); 
}

function plottabletail() 
{ 
  document.write("</tr></table><br>"); 
}

function plotcolor(d, clr) 
{ 
    for(i=1;i<=d;i++){ 
  document.write("<td bgcolor = " + clr + ">   </td>"); 
 } 
}

function setColor(foreground,background) 
{ 
  document.fgColor=foreground; 
  document.bgColor=background; 
}

setColor("orange","black"); 
a=generateRandomNumber(50); 
plottablehead( a ); 
plotcolor(a, "red"); 
plottabletail(); 
a=generateRandomNumber(50); 
plottablehead( a ); 
plotcolor(a, "blue"); 
plottabletail(); 
a=generateRandomNumber(50); 
plottablehead( a ); 
plotcolor(a, "green"); 
plottabletail(); 
a=generateRandomNumber(50); 
plottablehead( a ); 
plotcolor(a, "yellow"); 
plottabletail(); 
a=generateRandomNumber(50); 
plottablehead( a ); 
plotcolor(a, "gray"); 
plottabletail(); 
a=generateRandomNumber(50); 
plottablehead( a ); 
plotcolor(a, "midnightblue"); 
plottabletail(); 
//--> 
</script> 
</head> 
</body> 
</html>

所屬頻道：計算轉換特效/更新時間：2012-10-26

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