jpgraph中中文显示乱码问题

$graph->title->Set("中文");
$graph->title->SetFont(FF_SIMSUN ,FS_NORMAL,10);
经过这样修改，可以使标题改成中文

 

$tdata=array("村调委会数","数2","数3","数4");

 

 

$p1 = new PiePlot($data);
$p1->SetLegends($tdata);