phppchart显示中文的有关问题

php pchart显示中文的问题
$MyData = new pData();
$MyData->addPoints(array(25,10,25,10,25,10,25,10,25,10,25,10),"Temperature");
$MyData->addPoints(array(2,4,6,4,5,3,6,4,5,8,6,1),"Pressure");
$MyData->setSerieDrawable("Pressure",FALSE);
$MyData->setAxisName(0,"订单总金额");
$MyData->addPoints(iconv_arr(array("一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月")),"Labels");
$MyData->setSerieDescription("Labels","Months");
$MyData->setAbscissa("Labels");

在PHP里使用了pchart，但是标签不显示中文，或显示中文乱码，怎么解决？

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------解决方案--------------------
那你就检查字体设置是否正确