我需要在一个网页中创建多个图表，每个图表的数据来自一个 MySql 数据库，但来自不同的表。我需要在同一个网页中显示多个图表。目前我为此目的使用以下代码
我使用融合图表作为图表工具
将显示图表的页面
<?php
include("Includes/FusionCharts.php");
include("Includes/DBConn.php");
?>
<HTML>
<HEAD>
<TITLE>
FusionCharts Free - Database Example
</TITLE>
<?php
?>
<SCRIPT LANGUAGE="Javascript" SRC="FusionCharts/FusionCharts.js"></SCRIPT>
<style type="text/css">
<!--
body {
font-family: Arial, Helvetica, sans-serif;
font-size: 12px;
}
.text{
font-family: Arial, Helvetica, sans-serif;
font-size: 12px;
}
-->
</style>
</HEAD>
<BODY>
<table width="402" border="3" cellpadding="0">
<tr>
<td width="390" height="63" align="left"><?php
$link = connectToDB();
$strXML = "<graph caption='Factory Output report' subCaption='By Quantity' pieSliceDepth='30' showBorder='1' showNames='1' formatNumberScale='0' numberSuffix=' Units' decimalPrecision='0'>";
$strQuery = "select * from top_buy_traders";
$result = mysql_query($strQuery) or die(mysql_error());
if ($result) {
while($ors = mysql_fetch_array($result)) {
$strQuery = "select sum(qty) as TotOutput from top_buy_traders where id=" . $ors['id'];
$result2 = mysql_query($strQuery) or die(mysql_error());
$ors2 = mysql_fetch_array($result2);
//Generate <set name='..' value='..' />
$strXML .= "<set name='" . $ors['buy_trader'] . "' value='" . $ors2['TotOutput'] . "' />";
//free the resultset
mysql_free_result($result2);
}
}
mysql_close($link);
//Finally, close <graph> element
$strXML .= "</graph>";
//Create the chart - Pie 3D Chart with data from $strXML
echo renderChart("FusionCharts/FCF_Pie3D.swf", "", $strXML, "FactorySum", 325, 225);
?></td>
</tr>
</table>
</BODY>
</HTML>
融合Chart.php如下
<?php
function encodeDataURL($strDataURL, $addNoCacheStr=false) {
if ($addNoCacheStr==true) {
if (strpos($strDataURL,"?")<>0)
$strDataURL .= "&FCCurrTime=" . Date("H_i_s");
else
$strDataURL .= "?FCCurrTime=" . Date("H_i_s");
}
return urlencode($strDataURL);
}
function datePart($mask, $dateTimeStr) {
@list($datePt, $timePt) = explode(" ", $dateTimeStr);
$arDatePt = explode("-", $datePt);
$dataStr = "";
if (count($arDatePt) == 3) {
list($year, $month, $day) = $arDatePt;
switch ($mask) {
case "m": return $month;
case "d": return $day;
case "y": return $year;
}
return (trim($month . "/" . $day . "/" . $year));
}
return $dataStr;
}
function renderChart($chartSWF, $strURL, $strXML, $chartId, $chartWidth, $chartHeight, $debugMode=false, $registerWithJS=false, $setTransparent="") {
//First we create a new DIV for each chart. We specify the name of DIV as "chartId"Div.
if ($strXML=="")
$tempData = "//Set the dataURL of the chart\n\t\tchart_$chartId.setDataURL(\"$strURL\")";
else
$tempData = "//Provide entire XML data using dataXML method\n\t\tchart_$chartId.setDataXML(\"$strXML\")";
// Set up necessary variables for the RENDERCAHRT
$chartIdDiv = $chartId . "Div";
$ndebugMode = boolToNum($debugMode);
$nregisterWithJS = boolToNum($registerWithJS);
$nsetTransparent=($setTransparent?"true":"false");
$render_chart = <<<RENDERCHART
<!-- START Script Block for Chart $chartId -->
<div id="$chartIdDiv" align="center">
Chart.
</div>
<script type="text/javascript">
//Instantiate the Chart
var chart_$chartId = new FusionCharts("$chartSWF", "$chartId", "$chartWidth", "$chartHeight", "$ndebugMode", "$nregisterWithJS");
chart_$chartId.setTransparent("$nsetTransparent");
$tempData
chart_$chartId.render("$chartIdDiv");
</script>
<!-- END Script Block for Chart $chartId -->
RENDERCHART;
return $render_chart;
}
DBConn.php 如下
<?php
function connectToDB() {
$hostdb = 'localhost'; // MySQl host
$userdb = 'root'; // MySQL username
$passdb = ''; // MySQL password
$namedb = 'phptest'; // MySQL database name
$link = mysql_connect ("localhost:3306", "root", "");
if (!$link) {
die('Could not connect: ' . mysql_error()); }
$db_selected = mysql_select_db($namedb);
if (!$db_selected) {
die ('Can\'t use database : ' . mysql_error());
}
return $link;
}
?>
function renderChartHTML($chartSWF, $strURL, $strXML, $chartId, $chartWidth, $chartHeight, $debugMode=false,$registerWithJS=false, $setTransparent="") {
$strFlashVars = "&chartWidth=" . $chartWidth . "&chartHeight=" . $chartHeight . "&debugMode=" . boolToNum($debugMode);
if ($strXML=="")
$strFlashVars .= "&dataURL=" . $strURL;
else
$strFlashVars .= "&dataXML=" . $strXML;
$nregisterWithJS = boolToNum($registerWithJS);
if($setTransparent!=""){
$nsetTransparent=($setTransparent==false?"opaque":"transparent");
}else{
$nsetTransparent="window";
}
$HTML_chart = <<<HTMLCHART
<!-- START Code Block for Chart $chartId -->
<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="$chartWidth" height="$chartHeight" id="$chartId">
<param name="allowScriptAccess" value="always" />
<param name="movie" value="$chartSWF"/>
<param name="FlashVars" value="$strFlashVars®isterWithJS=$nregisterWithJS" />
<param name="quality" value="high" />
<param name="wmode" value="$nsetTransparent" />
<embed src="$chartSWF" FlashVars="$strFlashVars®isterWithJS=$nregisterWithJS" quality="high" width="$chartWidth" height="$chartHeight" name="$chartId" allowScriptAccess="always" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" wmode="$nsetTransparent" />
</object>
<!-- END Code Block for Chart $chartId -->
HTMLCHART;
return $HTML_chart;
}
function boolToNum($bVal) {
return (($bVal==true) ? 1 : 0);
}
?>