JavaScript根据数据生成百分比图和柱状图的实例代


<HTML>
<head>
<title>JS百分比图和柱状图</title>  
<xml:namespace prefix="v"/>  
<style>  
 v\:* {behavior=url(#default#VML)}  
</style>  
<style>  
a:hover {color:maroon}  
h2 {color:#006600;  
       margin-top: 0pt;  
       margin-bottom: 0pt}  
h3 {color:#006600;  
       margin-top: 6pt;  
       margin-bottom: 3pt}  
h4 {color:#006600;  
       font-family: Arial;  
       font-size: 10pt;  
       margin-top: 3pt;  
       margin-bottom: 0pt}  
h5 {color:#006600;  
       margin-top: 0pt;  
       margin-bottom: 0pt}  
p  {margin-top: 0pt;  
       margin-bottom: 12pt}  
</style>  
</head>  
<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>  
<div>  
<v:group coordsize="4320,3240">  
 <!-- Paper is white with a simple drop-shadow -->  
 <v:rect fillcolor="white">  
  <v:shadow on="true" offset="4pt,3pt" color="silver" />  
 </v:rect>  
 <v:rect fillcolor="#FFFFFF" strokeweight=1.5pt />
 <p class=Chart>Sample Piechart</p>  
 <p class=Chart>Random numbers drawn as a simple pie</p>  
 <v:shape strokeweight=0.5pt fillcolor="#DBDBED" path="M 2250 1590 AE 2250 1590 791 791 -3538944 9437184 X E" />  
 <v:shape strokecolor="#000000" strokeweight=0.7pt >  
  <v:stroke joinstyle=round endcap=round />  
  <v:fill on="false" />  
  <v:path v=" M 3115 1309 L 2927 1370 E "/>  
 </v:shape>  
 <p class=Chart>One: 30</p>  
 <v:shape strokeweight=0.5pt fillcolor="#AA5555" path="M 2245 1629 AE 2245 1629 791 791 -9201254 5662310 X E" />  
 <v:shape strokecolor="#000000" strokeweight=0.7pt >  
  <v:stroke joinstyle=round endcap=round />  
  <v:fill on="false" />  
  <v:path v=" M 3139 1329 M 2131 2532 L 2156 2336 E "/>  
 </v:shape>  
 <p class=Chart>Two: 18</p>  
 <v:shape strokeweight=0.5pt fillcolor="#F2F8F8" path="M 2250 1590 AE 2250 1590 791 791 -13290701 4089446 X E" />  
 <v:shape strokecolor="#000000" strokeweight=0.7pt >  
  <v:stroke joinstyle=round endcap=round />  
  <v:fill on="false" />  
  <v:path v=" M 2115 2552 M 1350 1723 L 1546 1694 E "/>  
 </v:shape>  
 <p class=Chart>Three: 13</p>  
 <v:shape strokeweight=0.5pt fillcolor="#8BC58B" path="M 2193 1535 AE 2193 1535 791 791 -16121856 2831155 X E" />  
 <v:shape strokecolor="#000000" strokeweight=0.7pt >  
  <v:stroke joinstyle=round endcap=round />  
  <v:fill on="false" />  
  <v:path v=" M 1334 1743 M 1544 898 L 1685 1037 E "/>  
 </v:shape>  
 <p class=Chart>Four: 9</p>  
 <v:shape strokeweight=0.5pt fillcolor="#C080C0" path="M 2250 1590 AE 2250 1590 791 791 -17694720 1572864 X E" />  
 <v:shape strokecolor="#000000" strokeweight=0.7pt >  
  <v:stroke joinstyle=round endcap=round />  
  <v:fill on="false" />  
  <v:path v=" M 1528 918 M 2061 700 L 2102 894 E "/>  
 </v:shape>  
 <p class=Chart>Five: 5</p>  
</v:group></div>   
<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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