<?php //引入類庫 require_once "/data/webroot/resource/php/src/jpgraph.php"; require_once "/data/webroot/resource/php/src/jpgraph_line.php"; $data=array(0=>-21,1=>-3,2=>12,3=>19,4=>23,5=>29,6=>30,7=>22,8=>26,9=>18,10=>5,11=>-10);//第一條數據 $data2y=array(0=>3,1=>12,2=>18,3=>30,4=>28,5=>33,6=>43,7=>39,8=>36,9=>29,10=>15,11=>10);//第二條數據 //得到Graph對象 $graph=new Graph(400,400); //設置X和Y軸樣式及Y軸的最大值最小值 $graph->SetScale("textint",-30,50); //設置右側Y軸樣式及其最大值最小值 $graph->SetY2Scale("int",-30,50); //設置圖像樣式，加入陰影 $graph->SetShadow(); //設置圖像邊界范圍 $graph->img->setMargin(40,30,50,70); //設置標題 $graph->title->Set("this is a test X-Y-Y"); //得到曲線實例 $linePlot=new LinePlot($data); //得到第二條曲線 $linePlot2y=new LinePlot($data2y); //將曲線加入到圖像中 $graph->Add($linePlot); $graph->Add($linePlot2y); //設置三個坐標軸名稱 $graph->xaxis->title->Set("Month"); $graph->yaxis->title->Set("beijing"); $graph->y2axis->title->Set("ShangHai"); //設置兩條曲線的顏色 //設置兩條曲線的圖例 $linePlot->SetLegend("Beijing"); $linePlot2y->SetLegend("Shanghai"); //設置圖例樣式 $graph->legend->setlayout(LEGEND_HOR); $graph->legend->Pos(0.45,0.9,"center","bottom"); //將圖像輸出到瀏覽器 $graph->Stroke();