JpGraph php柱状图使用介绍

复制代码 代码如下:

　　35 // DEFINE("CACHE_DIR","/tmp/jpgraph_cache/");
　　38 // DEFINE("TTF_DIR","/usr/X11R6/lib/X11/fonts/truetype/");

复制代码 代码如下:

　　DEFINE("CACHE_DIR","/tmp/jpgraph_cache/");'
　　DEFINE("TTF_DIR","/usr/X11R6/lib/X11/fonts/truetype/");

复制代码 代码如下:

　　DEFINE("CACHE_DIR","c:/apache/htdocs/ jpgraph_cache/");'
　　DEFINE("TTF_DIR","c:/windows/fonts");

复制代码 代码如下:

　　<?php
　　include ("jpgraph.php");
　　include ("jpgraph_line.php");
　　include ("jpgraph_bar.php");
　　$connect=mysql_connect("localhost","root","");
　　mysql_select_db("jpg",$connect);
　　$query=mysql_query("select * from test",$connect);
　　$i=0;
　　while ($array=mysql_fetch_array($query)) {
　　$l2datay[$i]=$array["number"];
　　$i++;
　　}
　　mysql_close($connect);
　　// Create the graph.
　　$graph = new Graph(400,200,"auto");
　　$graph->SetScale("textlin");
　　$graph->img->SetMargin(40,130,20,40);
　　$graph->SetShadow();
　　// Create the bar plot
　　$bplot = new BarPlot($l2datay);
　　$bplot->SetFillColor("orange");
　　$bplot->SetLegend("Result");
　　// Add the plots to t'he graph
　　$graph->Add($bplot);
　　$graph->title->Set("Adding a line plot to a bar graph v1");
　　$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);
　　$graph->xaxis->title->SetFont(FF_FONT1,FS_BOLD);
　　//$graph->xaxis->SetTickLabels($datax);
　　//$graph->xaxis->SetTextTickInterval(2);
　　// Display the graph
　　$graph->Stroke();
　　?>