1

我正在尝试更改 jpgraph 上边距的颜色。我似乎无法弄清楚。我试过$graph->SetMarginColor("khaki:0.6");了，但这似乎无济于事。下面是生成示例图表以及示例输出的代码。如果有帮助，我正在使用 jpgraph 3.5。 

$datay1 = array(20,15,23,15);
$datay2 = array(12,9,42,8);
$datay3 = array(5,17,32,24);

// Setup the graph
$graph = new Graph(300,250);
$graph->SetScale("textlin");

$theme_class=new UniversalTheme;

$graph->SetTheme($theme_class);
$graph->img->SetAntiAliasing(false);
$graph->title->Set('Filled Y-grid');
$graph->SetBox(false);

$graph->img->SetAntiAliasing();

$graph->yaxis->HideZeroLabel();
$graph->yaxis->HideLine(false);
$graph->yaxis->HideTicks(false,false);

$graph->xgrid->Show();
$graph->xgrid->SetLineStyle("solid");
$graph->xaxis->SetTickLabels(array('A','B','C','D'));
$graph->xgrid->SetColor('#E3E3E3');

// Create the first line
$p1 = new LinePlot($datay1);
$graph->Add($p1);
$p1->SetColor("#6495ED");
$p1->SetLegend('Line 1');

// Create the second line
$p2 = new LinePlot($datay2);
$graph->Add($p2);
$p2->SetColor("#B22222");
$p2->SetLegend('Line 2');

// Create the third line
$p3 = new LinePlot($datay3);
$graph->Add($p3);
$p3->SetColor("#FF1493");
$p3->SetLegend('Line 3');

$graph->legend->SetFrameWeight(1);

// Output line
$graph->Stroke();

?>

在此处输入图像描述

4

1 回答 1

7

SetMarginColor是您需要的两个命令之一。你还需要使用SetFrame

$graph->SetTheme($theme_class);
$graph->img->SetAntiAliasing(false);
$graph->title->Set('Filled Y-grid');
$graph->SetMarginColor('khaki:0.6'); 
$graph->SetFrame(true,'khaki:0.6',1);    // The '1' here seems to be irrelevant
                                         // I've tried much larger numbers with no
                                         // change. This is supposed to be frame
                                         // width (in pixels). 
$graph->SetBox(false);

这会产生这样的图像

在此处输入图像描述

于 2012-05-30T15:40:52.020 回答