JavaScript根据数据生成百分比图和柱状图
<head>
<title>JS百分比图和柱状图</title>
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h5 {color:#006600;
margin-top: 0pt;
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p {margin-top: 0pt;
margin-bottom: 12pt}
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<BODY text="#000000" bgcolor="#FFFFFF" link="#006600" vlink="#006600" leftmargin=6 topmargin=6>
<style> p.Chart {font-size:8pt; font-family:"Times"; color:black; text-align:right; } </style>
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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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<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>
<script language=JavaScript>
function displayTitle( title )
{
document.write("<center><i>" + title + "</i></center><br>");
}
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>
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