ningbo/动易的标签库/标签库/数据源/投票显示饼图数据源标签.config

<?xml version="1.0"?>
<root>
  <LabelDataType>sql_sysquery</LabelDataType>
  <LabelType>数据源</LabelType>
  <LabelIntro>显示投票结果饼图,需要服务器支持XSLT编程标签方可使用</LabelIntro>
  <LabelSqlString>SELECT TOP 1 * FROM PE_Vote WHERE GeneralID = @itemId</LabelSqlString>
  <LabelTemplate><![CDATA[<?xml version="1.0" encoding="utf-8"?>
<xsl:transform version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:pe="labelproc" xmlns:ms="urn:schemas-microsoft-com:xslt" xmlns:csharp="urn:the-xml-files:xslt-csharp" xmlns:v="urn:schemas-microsoft-com:vml" exclude-result-prefixes="pe ms csharp">
 <ms:script language="c#" implements-prefix="csharp">
  double curValue = 0;
  string preColor = "rgb(0,0,0)";
  double mX = Math.Pow(2,16) * 360;
  int rocount = 1;
  int Socount = 1;
  private string startAngle(string vValue, string nnum)
  {
  double svalue = Convert.ToDouble(vValue) / Convert.ToDouble(nnum);
  double preValue = curValue;
  curValue += svalue;
  return Convert.ToInt32(mX * preValue).ToString();
  }

  private string endAngle(string vValue, string nnum)
  {
  double svalue = Convert.ToDouble(vValue) / Convert.ToDouble(nnum);
  return Convert.ToInt32(mX * svalue).ToString();
  }

  public string getheight(int vValue)
  {
  int a = 1200 * vValue + 1000;
  return a.ToString();
  }

  public string randomColor()
  {
  Random rn = new Random(unchecked(rocount * (int)DateTime.Now.Ticks));
  Random gn = new Random(unchecked(rocount * (int)DateTime.Now.Ticks) + Socount * 9);
  Random bn = new Random(unchecked(rocount * (int)DateTime.Now.Ticks) + Socount * 21);
  preColor = "rgb(" + rn.Next(0,255) + "," + gn.Next(0,255) + "," + bn.Next(0,255) + ")";
  rocount++;
  Socount += 5;
  return preColor;
  }

  public string ShowVoteImage(string ostr, string otitle)
  {
  XmlDocument xmldoc = new XmlDocument();
  try
  {
  xmldoc.LoadXml(ostr);
  }
  catch (XmlException e)
  {
  return e.Message;
  }
  int i = 1;
  Decimal totalnum = Convert.ToDecimal(GetVoteNum(ostr));
  string outstr = "&lt;![CDATA[&lt;v:group coordsize='21600,21600' " + "style='width:640px;height:450px'" + "&gt;";

  outstr += "&lt;v:rect style='width:21600px;height:21600px' fillcolor='#e6e6e6'&gt;";
  outstr += "&lt;v:textbox style='text-Align:center;font-size:24px;font-Weight:bold;height:24px'&gt;" + otitle + "&lt;/v:textbox&gt;&lt;/v:rect&gt;";
  outstr += "&lt;v:shadow on='t'/&gt;";
  foreach (XmlNode inode in xmldoc.DocumentElement.ChildNodes)
  {
  XmlElement rnode = (XmlElement)inode;
  if (!string.IsNullOrEmpty(rnode.GetAttribute("Title")))
  {
  outstr += "&lt;v:shape style='width:11000px;height:14000px;top:4000px;left:1000px' adj='0,0' strokecolor='window' coordsize='1500,1400'";
  outstr += " path='M 750 700 AE 750 700 750 700 " + startAngle(rnode.GetAttribute("VoteNumber"), GetVoteNum(ostr)) + "&#160; " + endAngle(rnode.GetAttribute("VoteNumber"), GetVoteNum(ostr)) + "xe'";
  outstr += " fillcolor='" + randomColor() + "'";
  outstr += " title='" + rnode.GetAttribute("Title") + "'/&gt;";
  outstr += "&lt;v:rect style='left:14000px;width:600px;height:800px;top:" + getheight(i) + "px'";
  outstr += " fillcolor='" + preColor + "'/&gt;";
  outstr += "&lt;v:rect strokecolor='black'";
  outstr += " style='left:14500px;top:" + getheight(i) + "px'&gt;";
  outstr += "&lt;v:textbox style='font:caption'&gt;" + rnode.GetAttribute("Title") + "(" + rnode.GetAttribute("VoteNumber") + ")&lt;/v:textbox&gt;";
  outstr += "&lt;/v:rect&gt;";
  i += 1;
  }
  }
  outstr += "&lt;/v:group&gt;]]&gt;";
  return outstr;
  }
  public string GetVoteNum(string ostr)
  {
  XmlDocument xmldoc = new XmlDocument();
  try
  {
  xmldoc.LoadXml(ostr);
  }
  catch (XmlException e)
  {
  return e.Message;
  }
  int i = 0;
  foreach (XmlNode inode in xmldoc.DocumentElement.ChildNodes)
  {
  XmlElement rnode = (XmlElement)inode;
  if (!string.IsNullOrEmpty(rnode.GetAttribute("Title")))
  {
  i += Convert.ToInt32(rnode.GetAttribute("VoteNumber"));
  }
  }
  return i.ToString();
  }
 </ms:script>
 <xsl:output method="xml" />
 <xsl:template match="/">
  <root>
   <VoteTitle>
    <xsl:value-of select="/NewDataSet/Table/VoteTitle"/>
   </VoteTitle>
   <VoteItem>
    <xsl:value-of select="csharp:ShowVoteImage(/NewDataSet/Table/VoteItem, /NewDataSet/Table/VoteTitle)"/>
   </VoteItem>
   <StartTime>
    <xsl:value-of select="/NewDataSet/Table/StartTime"/>
   </StartTime>
   <EndTime>
    <xsl:value-of select="/NewDataSet/Table/EndTime"/>
   </EndTime>
   <VoteTotalNumber>
    <xsl:value-of select="csharp:GetVoteNum(/NewDataSet/Table/VoteItem)"/>
   </VoteTotalNumber>
  </root>
 </xsl:template>
</xsl:transform>]]></LabelTemplate>
  <attributes>
    <name>itemId</name>
    <default>1</default>
    <intro>投票ID</intro>
  </attributes>
  <OutType>
  </OutType>
  <CacheTime>0</CacheTime>
  <EnabelAjax>False</EnabelAjax>
  <IsXsltSql>false</IsXsltSql>
  <IsXsltCountSql>false</IsXsltCountSql>
</root>