JavaScript根据数据生成百分比图和柱状图

2024-09-05 12:22:06

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很不错的百分比图和柱状图生成程序，基于JavaScript脚本编写，逼真清淅，生成速度快，用到了VML技术，来源数据可由数据库读取，方便实用，而且效果不错。

<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 style='margin-top:12pt; position:relative; '> <v:group style='height:324pt;width:432pt' coordsize="4320,3240">    <v:rect style='width:4320;height:3240' fillcolor="white">   <v:shadow on="true" offset="4pt,3pt" color="silver" />  </v:rect>  <v:rect style='position:absolute;left:40;top:40;width:4240;height:3160;' fillcolor="#FFFFFF" strokeweight=1.5pt /> <p class=Chart style='position:absolute;left:123.1pt;top:17.8pt;width:189.8pt;height:12.6pt;color:"#000080";font-style:italic;font-size:18pt;text-align:center;'>Sample Piechart</p>  <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>  <v:shape style='position:absolute; width:4320; height:3240' strokeweight=0.5pt fillcolor="#DBDBED" path="M 2250 1590 AE 2250 1590 791 791 -3538944 9437184 X E" />  <v:shape style='position:absolute;width:4320;height:3240' 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 style='position:absolute;left:315.9pt;top:127.3pt;width:39.3pt;height:5.6pt; text-align=left; '>One: 30</p>  <v:shape style='position:absolute; width:4320; height:3240' strokeweight=0.5pt fillcolor="#AA5555" path="M 2245 1629 AE 2245 1629 791 791 -9201254 5662310 X E" />  <v:shape style='position:absolute;width:4320;height:3240' 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 style='position:absolute;left:171.9pt;top:249.6pt;width:39.6pt;height:5.6pt;'>Two: 18</p>  <v:shape style='position:absolute; width:4320; height:3240' strokeweight=0.5pt fillcolor="#F2F8F8" path="M 2250 1590 AE 2250 1590 791 791 -13290701 4089446 X E" />  <v:shape style='position:absolute;width:4320;height:3240' 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 style='position:absolute;left:83.5pt;top:168.7pt;width:49.9pt;height:5.6pt;'>Three: 13</p>  <v:shape style='position:absolute; width:4320; height:3240' strokeweight=0.5pt fillcolor="#8BC58B" path="M 2193 1535 AE 2193 1535 791 791 -16121856 2831155 X E" />  <v:shape style='position:absolute;width:4320;height:3240' 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 style='position:absolute;left:116.3pt;top:86.2pt;width:36.5pt;height:5.6pt;'>Four: 9</p>  <v:shape style='position:absolute; width:4320; height:3240' strokeweight=0.5pt fillcolor="#C080C0" path="M 2250 1590 AE 2250 1590 791 791 -17694720 1572864 X E" />  <v:shape style='position:absolute;width:4320;height:3240' 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 style='position:absolute;left:174.1pt;top:66.4pt;width:30.4pt;height:5.6pt;'>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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