public static function pieShow($piedata, $piename, $title)
{
//饼状图生成
$graph = new PieGraph(LENHSIZE, HEISIZE);
//设置画布尺寸
$graph->img->SetMargin(LEFT, RIGHT, UP, DOWN);
$graph->SetShadow();
$graph->title->set($title);
$graph->title->SetFont(FF_SIMSUN, FS_BOLD, GRAGHSIZE);
$num = count($piedata);
//如果个数大于10则用2D显示，否则用3D显示
if (num < 10) {
$pieplot = new PiePlot3D($piedata);
} else {
$pieplot = new PiePlot($piedata);
}
$pieplot->setCenter(0.4);
$pieplot->SetLegends($piename);
$graph->legend->SetColumns(1);
$pieplot->value->Show();
$graph->legend->SetPos(0.01, 0.01, 'right', 'right');
//设置图例显示属性
$graph->legend->setFont(FF_SIMSUN, FS_BOLD, GRAGHSIZE - 6);
$graph->Add($pieplot);
//借出次数最多物品突出显示
$max = max($piedata);
foreach ($piedata as $key => $value) {
if ($value == $max) {
$pieplot->ExplodeSlice($key);
}
}
// $graph->AddText(new text("jhgjhs"),false);
// $pieplot->ExplodeSlice( 0 );
$num = rand(0, RAND);
// echo var_dump($num);
$name = "Histogrm" . $num . ".png";
session_start();
$_SESSION["name"] = $name;
// echo var_dump($name);
$graph->Stroke($name);
return $name;
}
