[JpGraph]⑥--绘制饼图

 3.5, 1 => 4.6, 2 => 9.1, 3 => 21.9, 4 => 42.3, 5 => 90.7, 6 => 183.5, 7 => 127.5, 8 => 61.4, 9 => 33.5, 10 => 11.5, 11 => 4.4);
//创建画布
$graph = new PieGraph(800, 500);
//设置图像边界范围
$graph->img->SetMargin(30, 30, 80, 30);
//设置标题
$graph->title->Set("PiePlot Test");
//得到饼图对象
$piePlot = new PiePlot($data);
//设置图例
$piePlot->SetLegends(array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12));
//设置图例位置
$graph->legend->Pos(0.01, 0.45, "left", "top");
//添加到画布中
$graph->Add($piePlot);
//输出
$graph->Stroke();

?>

Paste_Image.png