public function actionBar($id = -1)
{
include 'jpgraph/jpgraph.php';
include 'jpgraph/jpgraph_bar.php';
$data = $this->analyse($id);
$ydata = array();
$xdata = array();
foreach ($data as $key => $value) {
array_push($xdata, $key);
array_push($ydata, $value);
}
if (count($data) == 0) {
echo '近一个习惯起没有相应的反馈级记录';
die;
}
$graph = new Graph(500, 500, 'auto');
$graph->setScale("textint");
$graph->setMargin(100, 100, 100, 100);
$graph->xaxis->SetTickLabels($xdata);
$barplot = new BarPlot($ydata);
// $barplot->setFillColor(array('red','blue','green'));
$barplot->setcolor("orange");
$graph->Add($barplot);
$barplot->value->Show();
$graph->Stroke();
}