Question

php jpgraph生成图形提示存在错误而无法显示

以下是代码：
<?php
include( '../jpgraph/jpgraph.php' );
include( '../jpgraph/jpgraph_line.php' );
$datay = array( 8320,9360,14956,17028,13060,15376,25428,16216,28548,18632,22724,28460 );
$graph = new Graph( 600,300,'auto' );
$graph->img->SetMargin( 50,40,30,40 );
$graph->img->SetAntiAliasing();
$graph->SetScale( 'textlin' );
$graph->SetShadow();
$graph->title->Set( '我的第一个图表' );
$graph->title->SetFont( FF_SIMSUN,FS_BOLD );
$graph->SetMarginColor( 'lightblue' );
$graph->yaxis->title->SetFont( FF_SIMSUN,FS_BOLD );
$graph->xaxis->SetPos( 'min' );
$graph->yaxis->HideZeroLabel();
$graph->ygrid->SetFill( true,'#EFEFEF@0.5','#BBCCFF@0.5' );
$a = array( '1月','2月','3月','4月','5月','6月','7月','8月','9月','10月','11月','12月' );
$graph->xaxis->SetTickLabels( $a );
$graph->xaxis->SetFont( FF_SIMSUN );
$graph->yscale->SetGrace( 20 );
$p1 = new LinePlot( $datay );
$p1->mark->SetType( MARK_FILLEDCIRCLE );
$p1->mark->SetFillColor( 'red' );
$p1->mark->SetWidth( 4 );
$p1->SetColor( 'blue' );
$p1->SetCenter();
$graph->Add( $p1 );
$graph->Stroke();

希望知道的大神给个指点 谢谢

Answer 1

你把中文换成英文就可以了

效果如下：

追问

我的还是不行喔 敢问你是怎么做的？

Answer 2

需要加上 ob_clean();这个