如何在Web中实现饼形图的数据显示？ 并且把数据值显示在饼形图外部（用线指示）
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使用组件teechart
或者teechartoffice,或者微软的office 自带的组件也可以
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给你宝贝:
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1<html><head><title>GraPL:Demo charts:Piechart</title>
2<xml:namespace prefix="v"></xml:namespace>
3<style>
4v\:* {behavior=url(#default#VML)}
5</style>
6<style>
7a:hover {color:maroon}
8h2 {color:#006600;
9margin-top: 0pt;
10margin-bottom: 0pt}
11h3 {color:#006600;
12margin-top: 6pt;
13margin-bottom: 3pt}
14h4 {color:#006600;
15font-family: Arial;
16font-size: 10pt;
17margin-top: 3pt;
18margin-bottom: 0pt}
19h5 {color:#006600;
20margin-top: 0pt;
21margin-bottom: 0pt}
22p {margin-top: 0pt;
23margin-bottom: 12pt}
24
25</style>
26<style> p.Chart {font-size:8pt; font-family:"Times"; color:black; text-align:right; } </style>
27</head>
28<script language="JavaScript">
29function displayTitle( title )
30{
31document.write("<center><i>" + title + "</i></center><br>");
32}
33
34function generateRandomNumber(num) {
35return Math.round( Math.random() * (num - 1) ) + 1;
36}
37
38function plottablehead( val )
39{
40document.writeln("<table border = 0 bgcolor = black width = 10 height = 10 cellpadding = 0 cellspacing = 0>");
41document.write("<tr> <i>" + val + "</i>");
42}
43
44function plottabletail()
45{
46document.write("</tr></table><br>");
47}
48
49function plotcolor(d, clr)
50{
51for(i=1;i<=d;i++){
52document.write("<td bgcolor = " + clr + "> </td>");
53}
54}
55
56function setColor(foreground,background)
57{
58document.fgColor=foreground;
59document.bgColor=background;
60}
61
62setColor("orange","black");
63a=generateRandomNumber(50);
64plottablehead( a );
65plotcolor(a, "red");
66plottabletail();
67a=generateRandomNumber(50);
68plottablehead( a );
69plotcolor(a, "blue");
70plottabletail();
71a=generateRandomNumber(50);
72plottablehead( a );
73plotcolor(a, "green");
74plottabletail();
75a=generateRandomNumber(50);
76plottablehead( a );
77plotcolor(a, "yellow");
78plottabletail();
79a=generateRandomNumber(50);
80plottablehead( a );
81plotcolor(a, "gray");
82plottabletail();
83a=generateRandomNumber(50);
84plottablehead( a );
85plotcolor(a, "midnightblue");
86plottabletail();
87//-->
88</script>
89<body bgcolor="#FFFFFF" leftmargin="6" link="#006600" text="#000000" topmargin="6" vlink="#006600">
90<div style="margin-top:12pt; position:relative; ">
91<v:group coordsize="4320,3240" style="height:324pt;width:432pt">
92<!-- Paper is white with a simple drop-shadow -->
93<v:rect fillcolor="white" style="width:4320;height:3240">
94<v:shadow color="silver" offset="4pt,3pt" on="true"></v:shadow>
95</v:rect>
96<v:rect fillcolor="#FFFFFF" strokeweight="1.5pt" style="position:absolute;left:40;top:40;width:4240;height:3160;"></v:rect>
97<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
98Piechart</p>
99<p class="Chart" style='position:absolute;left:225.5pt;top:310.4pt;width:198.5pt;height:5.6pt;color:"#008000";font-family:"Arial";'> </p>
100<v:shape fillcolor="#DBDBED" path="M 2250 1590 AE 2250 1590 791 791 -3538944 9437184 X E" strokeweight="0.5pt" style="position:absolute; width:4320; height:3240"></v:shape>
101<v:shape strokecolor="#000000" strokeweight="0.7pt" style="position:absolute;width:4320;height:3240">
102<v:stroke endcap="round" joinstyle="round"></v:stroke>
103<v:fill on="false"></v:fill>
104<v:path v=" M 3115 1309 L 2927 1370 E "></v:path>
105</v:shape>
106<p class="Chart" style="position:absolute;left:315.9pt;top:127.3pt;width:39.3pt;height:5.6pt; text-align=left; ">One: 30</p>
107<v:shape fillcolor="#AA5555" path="M 2245 1629 AE 2245 1629 791 791 -9201254 5662310 X E" strokeweight="0.5pt" style="position:absolute; width:4320; height:3240"></v:shape>
108<v:shape strokecolor="#000000" strokeweight="0.7pt" style="position:absolute;width:4320;height:3240">
109<v:stroke endcap="round" joinstyle="round"></v:stroke>
110<v:fill on="false"></v:fill>
111<v:path v=" M 3139 1329 M 2131 2532 L 2156 2336 E "></v:path>
112</v:shape>
113<p class="Chart" style="position:absolute;left:171.9pt;top:249.6pt;width:39.6pt;height:5.6pt;">Two: 18</p>
114<v:shape fillcolor="#F2F8F8" path="M 2250 1590 AE 2250 1590 791 791 -13290701 4089446 X E" strokeweight="0.5pt" style="position:absolute; width:4320; height:3240"></v:shape>
115<v:shape strokecolor="#000000" strokeweight="0.7pt" style="position:absolute;width:4320;height:3240">
116<v:stroke endcap="round" joinstyle="round"></v:stroke>
117<v:fill on="false"></v:fill>
118<v:path v=" M 2115 2552 M 1350 1723 L 1546 1694 E "></v:path>
119</v:shape>
120<p class="Chart" style="position:absolute;left:83.5pt;top:168.7pt;width:49.9pt;height:5.6pt;">Three: 13</p>
121<v:shape fillcolor="#8BC58B" path="M 2193 1535 AE 2193 1535 791 791 -16121856 2831155 X E" strokeweight="0.5pt" style="position:absolute; width:4320; height:3240"></v:shape>
122<v:shape strokecolor="#000000" strokeweight="0.7pt" style="position:absolute;width:4320;height:3240">
123<v:stroke endcap="round" joinstyle="round"></v:stroke>
124<v:fill on="false"></v:fill>
125<v:path v=" M 1334 1743 M 1544 898 L 1685 1037 E "></v:path>
126</v:shape>
127<p class="Chart" style="position:absolute;left:116.3pt;top:86.2pt;width:36.5pt;height:5.6pt;">Four: 9</p>
128<v:shape fillcolor="#C080C0" path="M 2250 1590 AE 2250 1590 791 791 -17694720 1572864 X E" strokeweight="0.5pt" style="position:absolute; width:4320; height:3240"></v:shape>
129<v:shape strokecolor="#000000" strokeweight="0.7pt" style="position:absolute;width:4320;height:3240">
130<v:stroke endcap="round" joinstyle="round"></v:stroke>
131<v:fill on="false"></v:fill>
132<v:path v=" M 1528 918 M 2061 700 L 2102 894 E "></v:path>
133</v:shape>
134<p class="Chart" style="position:absolute;left:174.1pt;top:66.4pt;width:30.4pt;height:5.6pt;">Five: 5</p>
135</v:group></div>
136<div style="position: absolute; top: 10; right: 10; width: 148; height: 18;cursor:hand">
137<a href="myjs.htm" target="_blank"><font color="red"> My Js Collection!</font></a><br/></div>
138</body>
139</html>
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用组件生成图片，然后显示吧。shotgraph.dll
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www.ourfly.com的投票程序