PHP는 Jpgraph를 사용하여 연간 수입 및 지출 명세서의 효과를 표시하는 막대 차트를 만듭니다.

<?php
require_once &#39;jpgraph/src/jpgraph.php&#39;; //导入Jpgraph类库
require_once &#39;jpgraph/src/jpgraph_bar.php&#39;; //导入Jpgraph类库的柱状图功能
$data = array(80, 73, 89, 43, 56, 76, 89, 96, 93, 30, 98, 78); //设置统计数据
$xdata = array(&#39;Jan&#39;, &#39;Feb&#39;, &#39;Mar&#39;, &#39;Apr&#39;, &#39;May&#39;, &#39;Jun&#39;, &#39;Jul&#39;, &#39;Aug&#39;, &#39;Sep&#39;, &#39;Oct&#39;, &#39;Nov&#39;, &#39;Dec&#39;);
$graph = new Graph(600, 300); //设置画布大小
$graph->SetScale(&#39;textlin&#39;); //设置坐标刻度类型
$graph->SetShadow(); //设置画布阴影
$graph->img->SetMargin(40, 30, 20, 40); //设置统计图边距
$barplot = new BarPlot($data); //实例化BarPlot对象
$barplot->SetFillColor(&#39;blue&#39;); //设置柱状图前景色
$barplot->value->Show(); //显示
$graph->Add($barplot);
$graph->title->Set(iconv(&#39;utf-8&#39;, &#39;GB2312//IGNORE&#39;,&#39;***科技有限公司年度收支&#39;)); //设置标题iconv防止中文乱码
$graph->xaxis->title->Set(iconv(&#39;utf-8&#39;, &#39;GB2312//IGNORE&#39;,&#39;月份&#39;)); //设置X轴名称
$graph->xaxis->SetTickLabels($xdata);//设置x轴标注
$graph->yaxis->title->Set(iconv(&#39;utf-8&#39;, &#39;GB2312//IGNORE&#39;,&#39;总金额（万元）&#39;)); //设置y轴名称
$graph->title->SetFont(FF_SIMSUN, FS_BOLD); //设置标题字体
$graph->xaxis->title->SetFont(FF_SIMSUN, FS_BOLD); //设置x轴字体
$graph->yaxis->title->SetFont(FF_SIMSUN, FS_BOLD); //设置y轴字体
$graph->Stroke(); //输出图像