php畫圓餅圖(二)

2011-12-25

2751
0
php

摘要:php畫圓餅圖(二)

GoogleChart.php

<?
class GoogleChart{
    var $width,$height;
    var $chart_type;
    var $api_url;
    var $parameters;
    function GoogleChart($w,$h,$type,$url="http://chart.apis.google.com/chart"){
        $this->parameters = array();
        $this->width = $w;
        $this->height = $h;
        $this->chart_type = $type;
        $this->api_url = $url;
        $this->parameters['chs'] = $w."x".$h;
        $this->parameters['cht'] = $type;
    }

    function draw(){
        $url = $this->api_url;
        $params = array();
        foreach($this->parameters as $key => $value){
            $params[] = "$key=$value";
        }
        $url .= "?".implode("&",$params);
   //   header("Location:http://tw.yahoo.com.tw/");
        echo "<script>";
        echo " location.href='$url'; ";
                echo "</script>";
      // header("Location: $url");
      echo $url;
    }
} //class GoogleChart

class GooglePieChart extends GoogleChart{
    function GooglePieChart($w,$h,$type="p"){
        parent::GoogleChart($w,$h,$type);
    }

    function setData($data,$labels=null,$legends=null){
        $this->parameters['chd'] = "t:".implode(",",$data);
        if($labels) $this->setLabels($labels);
        if($legends) $this->setLegends($legends);
    }

    function setLabels($labels){
        $this->parameters['chl'] = implode("|",$labels);
    }

    function setLegends($legends){
        $this->parameters['chdl'] = implode("|",$legends);
    }
} //class GooglePieChart extends: GoogleChart

class GooglePieChart3D extends GooglePieChart{
    function GooglePieChart3D($w,$h){
        parent::GooglePieChart($w,$h,"p3");
    }
}

test.php

?>

<?php
include("GoogleChart.php");
$chart = new GooglePieChart(400,200);
$data = array(3,4,5,6,7);
$labels = array("台北","基隆","台中","台南","高雄");
$legends = array("台北","基隆","台中","台南","高雄");
$chart->setData($data,$labels,$legends);
$chart->draw();

?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>無標題文件</title>

</head>

<body>
</body>
</html>

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