Php JpGraph:没有错误,但图片已损坏
我用JPGraph做了一个图,但我有一个小问题 未显示任何错误,但图片为“断开图片” 这是我的密码:Php JpGraph:没有错误,但图片已损坏,php,jpgraph,Php,Jpgraph,我用JPGraph做了一个图,但我有一个小问题 未显示任何错误,但图片为“断开图片” 这是我的密码: $graph = new Graph(1000,300); $graph->img->SetMargin(40,30,50,40); $graph->SetScale("textlin"); $graph->title->Set("Graph"); $graph->ygrid->Show(); $graph->ygrid->SetC
$graph = new Graph(1000,300);
$graph->img->SetMargin(40,30,50,40);
$graph->SetScale("textlin");
$graph->title->Set("Graph");
$graph->ygrid->Show();
$graph->ygrid->SetColor('blue@0.7');
$graph->ygrid->SetLineStyle('dashed');
$graph->xgrid->Show();
$graph->xgrid->SetColor('red@0.7');
$graph->xgrid->SetLineStyle('dashed');
$graph->title->SetFont(FF_ARIAL,FS_BOLD,11);
$bigCourbe = array();
$i = 0;
foreach($bigData as $data)
{
var_dump($data);
$courbe = new LinePlot($data);
$courbe->value->Show();
$courbe->value->SetFont(FF_ARIAL,FS_NORMAL,9);
$courbe->value->SetFormat('%d');
$courbe->mark->SetType(MARK_FILLEDCIRCLE);
$courbe->mark->SetFillColor("green");
$courbe->mark->SetWidth(2);
$courbe->SetWeight(10);
echo $function[$i];
$courbe->SetLegend($function[$i++]);
$bigCourbe[] = $courbe;
}
$graph->xaxis->title->Set("Heures");
$graph->yaxis->title->SetFont(FF_FONT1,FS_BOLD);
$graph->xaxis->title->SetFont(FF_FONT1,FS_BOLD);
foreach ($bigCourbe as $elem) {
$graph->Add($elem);
}
//$graph->Stroke();
因此,结果似乎不错:
array (size=24)
0 => string '0.000' (length=5)
1 => string '0.000' (length=5)
2 => string '0.000' (length=5)
3 => string '0.000' (length=5)
4 => string '0.000' (length=5)
5 => string '0.000' (length=5)
....
Index HC <- it's the $function[$i] var
array (size=24)
0 => string '0.200' (length=5)
1 => string '0.200' (length=5)
2 => string '0.100' (length=5)
3 => string '0.200' (length=5)
4 => string '0.200' (length=5)
5 => string '0.200' (length=5)
....
Index HP
array (size=24)
0 => string '0.000' (length=5)
1 => string '0.000' (length=5)
2 => string '0.000' (length=5)
3 => string '0.000' (length=5)
4 => string '0.000' (length=5)
5 => string '0.000' (length=5)
Index HPTE
array (size=24)
0 => string '0.200' (length=5)
1 => string '0.200' (length=5)
2 => string '0.100' (length=5)
3 => string '0.200' (length=5)
4 => string '0.200' (length=5)
5 => string '0.200' (length=5)
....
Total Heure
数组(大小=24)
0=>字符串“0.000”(长度=5)
1=>字符串“0.000”(长度=5)
2=>字符串“0.000”(长度=5)
3=>字符串“0.000”(长度=5)
4=>字符串“0.000”(长度=5)
5=>字符串“0.000”(长度=5)
....
索引HC如何显示图表?你有HTML页面吗?请显示HTML代码。
我有一个类似的问题,我没有错误消息,但得到了破碎的图像图标
我建议的一件事是添加行
//save to file
$fileName = "/tmp/imagefile.png";
$graph->img->Stream($fileName);
如果文件中的图像是正确的,那么您可以排除图形生成代码。我知道这是一个老问题,但我也遇到了同样的问题,并通过删除之前的所有内容来修复它。在我的案例(PHP7.1.0)中,它是不推荐使用的消息
放
ini_set('display_errors', 0);
在脚本的顶部,然后重试
或
注释掉$graph->Stroke()编码>并查看出现的错误(或警告)确保所有字体都可用。所有字体都可用。不是这样的:(如果您将PHP设置为打印所有错误怎么办?PHP已经打印了所有错误:(