php報表之jpgraph柱狀圖實例

 　　jpgraph是php中一個非常非常強大的第三方報表工具，據說能完成一切你想要的圖形…

　　新手初識jpgraph肯定會遇到各種各樣的問題,比如亂碼什麼的,本案例是jpgraph3.0.7制作,也經過本人的多次實驗，解決亂碼問題

　　$datay=array(); //縱坐標數據

　　$datax=array(); //橫坐標數據

　　foreach ($usernums as $key => $value){

　　$datay[] = $value;

　　$datax[] = $userids[$key];

　　}

　　require_once (‘jpgraph-3.0.7/jpgraph/jpgraph.php’);

　　require_once (‘jpgraph-3.0.7/jpgraph/jpgraph_bar.php’);

　　// Create the graph. These two calls are always required

　　$graph = new Graph(800,600); //圖像高寬

　　$graph->SetScale(“textlin”);

　　$graph->xaxis->SetTickLabels($datax);

　　$graph->xaxis->SetFont(FF_VERDANA,FS_NORMAL,10);

　　$graph->xaxis->SetLabelAngle(30);

　　$graph->yaxis->scale->SetGrace(20);

　　$graph->xaxis->scale->SetGrace(20);

　　// Add a drop shadow

　　$graph->SetShadow();

　　// Adjust the margin a bit to make more room for titles

　　$graph->img->SetMargin(40,30,20,40);

　　// Create a bar pot

　　$bplot = new BarPlot($datay);

　　// Adjust fill color

　　$bplot->SetFillColor(‘orange’);

　　$bplot->value->Show();

　　$bplot->value->SetFont(FF_ARIAL,FS_BOLD,10);

　　$bplot->value->SetAngle(45);

　　$bplot->value->SetFormat(‘%d’);

　　$graph->Add($bplot);

　　// Setup the titles

　　$graph->title->Set(iconv(“UTF-8″, “gb2312″,”用戶消費報表圖”));

　　$graph->xaxis->title->Set(iconv(“UTF-8″, “gb2312″,”用戶姓名”));

　　$graph->yaxis->title->Set(iconv(“UTF-8″, “gb2312″,”用戶訂單數量”));

　　$graph->xaxis->title->SetFont(FF_SIMSUN,FS_BOLD);

　　$graph->yaxis->title->SetFont(FF_SIMSUN,FS_BOLD);

　　$graph->title->SetFont(FF_SIMSUN,FS_BOLD);

　　// Display the graph

　　$graph->Stroke();

　　?>

　　效果圖: