以这为例.只需要构造个一维数组就可以了. $datay=array(12,26,9,17,31); 从数据库里读出数据,将数据传给数组,这个应该很简单吧.include_once ("../jpgraph.php"); include_once ("../jpgraph_bar.php");$datay=array(12,26,9,17,31);// Create the graph. // One minute timeout for the cached image // INLINE_NO means don't stream it back to the browser. $graph = new Graph(310,250,'auto'); $graph->SetScale("textlin"); $graph->img->SetMargin(60,30,20,40); $graph->yaxis->SetTitleMargin(45); $graph->yaxis->scale->SetGrace(30); $graph->SetShadow();// Turn the ticks $graph->xaxis->SetTickSide(SIDE_DOWN); $graph->yaxis->SetTickSide(SIDE_LEFT);// Create a bar pot $bplot = new BarPlot($datay);// Create targets for the image maps. One for each column $targ=array("bar_clsmex1.php#1","bar_clsmex1.php#2","bar_clsmex1.php#3","bar_clsmex1.php#4","bar_clsmex1.php#5","bar_clsmex1.php#6"); $alts=array("val=%d","val=%d","val=%d","val=%d","val=%d","val=%d"); $bplot->SetCSIMTargets($targ,$alts); $bplot->SetFillColor("orange");// Use a shadow on the bar graphs (just use the default settings) $bplot->SetShadow(); $bplot->value->SetFormat(" $ %2.1f",70); $bplot->value->SetFont(FF_ARIAL,FS_NORMAL,9); $bplot->value->SetColor("blue"); $bplot->value->Show();$graph->Add($bplot);$graph->title->Set("Image maps barex1"); $graph->xaxis->title->Set("X-title"); $graph->yaxis->title->Set("Y-title");$graph->title->SetFont(FF_FONT1,FS_BOLD); $graph->yaxis->title->SetFont(FF_FONT1,FS_BOLD); $graph->xaxis->title->SetFont(FF_FONT1,FS_BOLD);// Send back the HTML page which will call this script again // to retrieve the image. $graph->StrokeCSIM();
$datay=array(12,26,9,17,31);
从数据库里读出数据,将数据传给数组,这个应该很简单吧.include_once ("../jpgraph.php");
include_once ("../jpgraph_bar.php");$datay=array(12,26,9,17,31);// Create the graph.
// One minute timeout for the cached image
// INLINE_NO means don't stream it back to the browser.
$graph = new Graph(310,250,'auto');
$graph->SetScale("textlin");
$graph->img->SetMargin(60,30,20,40);
$graph->yaxis->SetTitleMargin(45);
$graph->yaxis->scale->SetGrace(30);
$graph->SetShadow();// Turn the ticks
$graph->xaxis->SetTickSide(SIDE_DOWN);
$graph->yaxis->SetTickSide(SIDE_LEFT);// Create a bar pot
$bplot = new BarPlot($datay);// Create targets for the image maps. One for each column
$targ=array("bar_clsmex1.php#1","bar_clsmex1.php#2","bar_clsmex1.php#3","bar_clsmex1.php#4","bar_clsmex1.php#5","bar_clsmex1.php#6");
$alts=array("val=%d","val=%d","val=%d","val=%d","val=%d","val=%d");
$bplot->SetCSIMTargets($targ,$alts);
$bplot->SetFillColor("orange");// Use a shadow on the bar graphs (just use the default settings)
$bplot->SetShadow();
$bplot->value->SetFormat(" $ %2.1f",70);
$bplot->value->SetFont(FF_ARIAL,FS_NORMAL,9);
$bplot->value->SetColor("blue");
$bplot->value->Show();$graph->Add($bplot);$graph->title->Set("Image maps barex1");
$graph->xaxis->title->Set("X-title");
$graph->yaxis->title->Set("Y-title");$graph->title->SetFont(FF_FONT1,FS_BOLD);
$graph->yaxis->title->SetFont(FF_FONT1,FS_BOLD);
$graph->xaxis->title->SetFont(FF_FONT1,FS_BOLD);// Send back the HTML page which will call this script again
// to retrieve the image.
$graph->StrokeCSIM();