php使用Jpgraph绘制柱形图的方法

本文实例讲述了php使用Jpgraph绘制柱形图的方法。分享给大家供大家参考。具体实现方法如下:

<?php 
include ("src/jpgraph.php"); 
include ("src/jpgraph_bar.php"); 
$data = array(19,23,34,38,45,67,71,78,85,87,90,96); //定义数组
$graph = new Graph(400,300); //创建新的Graph对象 
$graph->SetScale("textlin");                 
$graph->SetShadow(); //设置阴影 
$graph->img->SetMargin(40,30,20,40); //设置边距 
$barplot = new BarPlot($data); //创建BarPlot对象 
$barplot->SetFillColor('blue'); //设置颜色 
$barplot->value->Show(); //设置显示数字 
$graph->Add($barplot); //将柱形图添加到图像中 
$graph->title->Set("年度收支表"); //设置标题和X-Y轴标题
$graph->xaxis->title->Set("月份"); 
$graph->yaxis->title->Set("总金额(兆美元)"); 
$graph->title->SetFont(FF_SIMSUN,FS_BOLD); //设置字体 
$graph->yaxis->title->SetFont(FF_SIMSUN,FS_BOLD); 
$graph->xaxis->title->SetFont(FF_SIMSUN,FS_BOLD); 
$graph->Stroke(); 
?>

运行效果如下图所示:

希望本文所述对大家的php程序设计有所帮助。

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