PHP使用JPGRAPH制作圆柱图的方法详解(2)

这个时候,我们已经完成了我们绘制图形所需要的数据了,接下来就是创建圆柱和调整它的颜色了

所要做的代码如下:

$graph = new Graph (500,400);//创建一个新的Graph对象,其宽和高分别为500,300
$graph -> SetScale("textlin");//设置其刻印样式
$graph -> SetShadow();//设置其阴影样式
$graph -> img -> SetMargin(40,30,40,50);//设置其上间距40,右间距30,下间距40,左间距50

$graph -> graph_theme = null;//设置他的主题为空,使得下面的元素可实现

$bplot = new BarPlot ($date);//创建BarPlot对象
$bplot -> SetColor("pink");//设置BarPlot的颜色
$bplot -> value -> Show("");//显示他的值
$graph ->Add($bplot);//把他的值放入$graph里

$graph -> title -> Set(iconv("utf-8","gb2312//IGNORE","年度收支表"));//设置标题名字并进行转换
$graph -> xaxis -> title -> Set(iconv("utf-8","gb2312//IGNORE","月份"));//同上,设置x轴标题
$graph -> yaxis -> title -> Set(iconv("utf-8","gb2312//IGNORE","总金额(兆美元)"));//同上,设置y轴标题

$graph -> title -> SetColor("red");//设置标题颜色
$graph -> title -> SetMargin(10);//设置标题间距
$graph -> xaxis -> title -> SetMargin(1);//设置x轴标题间距
$graph -> xaxis ->SetTickLabels($xdate);//接收xdate数组里的元素

$graph -> title -> SetFont(FF_SIMSUN,FS_BOLD);//设置字体样式
$graph -> xaxis -> title ->SetFont(FF_SIMSUN,FS_BOLD);
$graph -> yaxis -> title ->SetFont(FF_SIMSUN,FS_BOLD);
$graph -> xaxis -> SetFont(FF_SIMSUN,FS_BOLD);//设置x轴里所有的字体样式

$graph -> Stroke();//输出

到这里,我们的圆柱就已经完成了,完整的代码如下:

<?php
require_once ("jpgraph/src/jpgraph.php");
require_once ("jpgraph/src/jpgraph_bar.php");

$date = array(19,23,34,38,45,67,71,78,85,87,90,96);
$xdate = array("1","2","3","4","5","6","7","8","9","10","11","12");
$graph = new Graph (500,400);
$graph->SetScale("textlin");
$graph->SetShadow();
$graph->img->SetMargin(40,30,40,50);

$graph->graph_theme = null;

$barplot = new BarPlot($date);
$barplot->SetFillColor("pink");
$barplot->value->Show();
$graph->Add($barplot);

$graph->title->Set(iconv("utf-8","GB2312//IGNORE","年度收支表"));
$graph->xaxis->title->Set(iconv("utf-8","GB2312//IGNORE","月份"));
$graph->yaxis->title->Set(iconv("utf-8","GB2312//IGNORE","总金额(兆美元)"));

$graph->title->SetColor("red");
$graph->title->SetMargin(10);
$graph->xaxis->title->SetMargin(1);
$graph->xaxis->SetTickLabels($xdate);

$graph->title->SetFont(FF_SIMSUN,FS_BOLD);
$graph->yaxis->title->SetFont(FF_SIMSUN,FS_BOLD);
$graph->xaxis->title->SetFont(FF_SIMSUN,FS_BOLD);
$graph->xaxis->SetFont(FF_SIMSUN,FS_BOLD);


$graph -> Stroke();
?>

      

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