var i=1;function progress(){ setInterval("beginProgress()", 600);}function beginProgress(){ $("#img").attr("src", "img.php?m="+i); i++; if(i>=12){ i=1; }} <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>Ajax+Jpgraph制作动态折线图</title></head><script language="javascript" src="js/jquery-1.3.2.js"></script><script language="javascript" src="js/fun.js"></script><body> <img id="img" src="img.php?m=0" /> <br> <input type="button" value="开始" onclick="progress()"/></body></html>
<?phprequire_once 'src/jpgraph.php'; //导入Jpgraph类库require_once 'src/jpgraph_line.php'; //导入Jpgraph类库的柱状图功能$dataTmp = array(56, 78, 34, 65, 89, 24 ,67 ,88, 45, 68, 70, 50); //设置统计数据$data1 = array(0, 0, 0, 0, 0, 0 ,0 ,0, 0, 0, 0, 0); //设置统计数据$m = $_GET['m'];for($i=0; $i<$m; $i++){ $data1[$i] = $dataTmp[$i];}$graph = new Graph(500, 320);$graph->SetScale("textlin");$graph->SetShadow();$graph->img->SetMargin(40, 30, 30, 70);$graph->title->Set("图书销售走势表");$lineplot1 = new LinePlot($data1);$graph->Add($lineplot1);$graph->xaxis->title->Set("月份");$graph->yaxis->title->Set("book A销售金额（万元）");$graph->title->SetFont(FF_SIMSUN, FS_BOLD);$graph->yaxis->title->SetFont(FF_SIMSUN, FS_BOLD);$graph->xaxis->title->SetFont(FF_SIMSUN, FS_BOLD);$lineplot1->SetColor('red');$lineplot1->SetLegend('book A');$graph->legend->SetLayout(LEGEND_HOR);$graph->legend->Pos(0.4, 0.95, 'center', 'bottom');$graph->Stroke(); 
