4-3 绘制饼图

<?php require_once "/data/webroot/resource/php/src/jpgraph.php"; require_once "/data/webroot/resource/php/src/jpgraph_pie.php"; //模拟数据 $data=array(0=>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 //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();