JFreeChart如何在图上显示百分数啊(饼图)

<%@ page contentType="text/html;charset=GBK" %>
<%@ taglib uri="/WEB-INF/web-graph.tld" prefix="graph" %>
<%@ page import="java.util.*" %>
<%
List list=new ArrayList();
Map map=null;
int k=0;
for(int i=1;i<10;i++){
k=i+1;
map=new HashMap();
map.put("seriesTitle","上海");
map.put("itemTitle",i*3+"号");
map.put("itemValue",String.valueOf(i*2*10));
map.put("lineTitle","上海股价");
map.put("endLine",k*3+"号");
map.put("grpType","curve");
list.add(map);
map=new HashMap();
map.put("seriesTitle","南京");
map.put("itemTitle",i*3+"号");
map.put("itemValue",String.valueOf(i*3*10));
map.put("lineTitle","南京股价");
map.put("endLine",k*3+"号");
map.put("grpType","curve");
list.add(map);
map=new HashMap();
map.put("seriesTitle","北京");
map.put("itemTitle",i*3+"号");
map.put("itemValue",String.valueOf(i*4*10));
map.put("lineTitle","北京股价");
map.put("endLine",k*3+"号");
map.put("grpType","curve");
list.add(map);
map=new HashMap();
map.put("seriesTitle","西安");
map.put("itemTitle",i*3+"号");
map.put("itemValue",String.valueOf(i*5*10));
map.put("lineTitle","西安股价");
map.put("endLine",k*3+"号");
map.put("grpType","curve");
list.add(map);
map=new HashMap();
map.put("seriesTitle","济南");
map.put("itemTitle",i*3+"号");
map.put("itemValue",String.valueOf(i*6*10));
map.put("lineTitle","济南股价");
map.put("endLine",k*3+"号");
map.put("grpType","column");
list.add(map);
}
request.setAttribute("data",list);
%>
<HTML>
<HEAD>
<TITLE></TITLE>
</HEAD>
<BODY >
<table width="100%">
<tr>
<td><label class="title">图表组件</label></td>
<% String file=request.getServletPath().substring(1);
   String app=request.getContextPath();
%>
<td><label class="title">url：<%=file%></label></td>
<td align="right" valign="bottom" nowrap> [<a href="<%=app%>/src.jsp?target=<%=file %>" target="source">源代码</a>] [<a href="xmldef.xml" target="xmldef">说明文档</a>] </td>
</tr>
</table>
<hr>
<FORM>
<graph:chart title="全国国民生产总值比较" type="pie:column3d:lines:eventgrp:mixgrp:3dbar:curve:pie3d:stack3d:barstack3d" width="100%" height="100%"  displayTitle="true"  linePoint="false" defaultRow="1" newLine="true" graphTitle="value" Position="top" xxName="日期" yyName="生产总值" Xy="true">
<graph:data seriesTitle="seriesTitle" grpType="grpType" collection="data" itemTitle="itemTitle" itemValue="itemValue" lineTitle="lineTitle" endLine="endLine">
</graph:data>
</graph:chart>
</FORM>
</BODY>
</HTML>
<script>
var id=setTimeout("showChart('pie')",1000);
</script>

解决方案 »

  1.   

    <%@ page contentType="text/html;charset=GBK" %>
    <%@ taglib uri="/WEB-INF/web-graph.tld" prefix="graph" %>
    <%@ page import="java.util.*" %>
    <%
    List list=new ArrayList();
    Map map=null;
    int k=0;
    for(int i=1;i<10;i++){
    k=i+1;
    map=new HashMap();
    map.put("seriesTitle","上海");
    map.put("itemTitle",i*3+"号");
    map.put("itemValue",String.valueOf(i*2*10));
    map.put("lineTitle","上海股价");
    map.put("endLine",k*3+"号");
    map.put("grpType","curve");
    list.add(map);
    map=new HashMap();
    map.put("seriesTitle","南京");
    map.put("itemTitle",i*3+"号");
    map.put("itemValue",String.valueOf(i*3*10));
    map.put("lineTitle","南京股价");
    map.put("endLine",k*3+"号");
    map.put("grpType","curve");
    list.add(map);
    map=new HashMap();
    map.put("seriesTitle","北京");
    map.put("itemTitle",i*3+"号");
    map.put("itemValue",String.valueOf(i*4*10));
    map.put("lineTitle","北京股价");
    map.put("endLine",k*3+"号");
    map.put("grpType","curve");
    list.add(map);
    map=new HashMap();
    map.put("seriesTitle","西安");
    map.put("itemTitle",i*3+"号");
    map.put("itemValue",String.valueOf(i*5*10));
    map.put("lineTitle","西安股价");
    map.put("endLine",k*3+"号");
    map.put("grpType","curve");
    list.add(map);
    map=new HashMap();
    map.put("seriesTitle","济南");
    map.put("itemTitle",i*3+"号");
    map.put("itemValue",String.valueOf(i*6*10));
    map.put("lineTitle","济南股价");
    map.put("endLine",k*3+"号");
    map.put("grpType","column");
    list.add(map);
    }
    request.setAttribute("data",list);
    %>
    <HTML>
    <HEAD>
    <TITLE></TITLE>
    </HEAD>
    <BODY >
    <table width="100%">
    <tr>
    <td><label class="title">图表组件</label></td>
    <% String file=request.getServletPath().substring(1);
       String app=request.getContextPath();
    %>
    <td><label class="title">url：<%=file%></label></td>
    <td align="right" valign="bottom" nowrap> [<a href="<%=app%>/src.jsp?target=<%=file %>" target="source">源代码</a>] [<a href="xmldef.xml" target="xmldef">说明文档</a>] </td>
    </tr>
    </table>
    <hr>
    <FORM>
    <graph:chart title="全国国民生产总值比较" type="pie:column3d:lines:eventgrp:mixgrp:3dbar:curve:pie3d:stack3d:barstack3d" width="100%" height="100%"  displayTitle="true"  linePoint="false" defaultRow="1" newLine="true" graphTitle="value" Position="top" xxName="日期" yyName="生产总值" Xy="true">
    <graph:data seriesTitle="seriesTitle" grpType="grpType" collection="data" itemTitle="itemTitle" itemValue="itemValue" lineTitle="lineTitle" endLine="endLine">
    </graph:data>
    </graph:chart>
    </FORM>
    </BODY>
    </HTML>
    <script>
    var id=setTimeout("showChart('pie')",1000);
    </script>
      

  2.   

    帅哥，能不能告诉我在java源代码怎么样写的？