php柱状图多系列动态实现

<?php

require_once \'data.php\';
require_once \'jpgraph/src/jpgraph.php\'; 
require_once\"jpgraph/src/jpgraph_bar.php\";

$arr1=$a->sum(\'answer\',\'answer_id=1\');
$arr2=$a->sum(\'answer\',\'answer_id=2\');
$arr3=$a->sum(\'answer\',\'answer_id=3\');
$arr4=$a->sum(\'answer\',\'answer_id=4\');
$arr5=$a->sum(\'answer\',\'answer_id=5\');
$arr6=$a->sum(\'answer\',\'answer_id=6\');

for($i=0;$i<10;$i++){
    
    $datay1[$i]=$arr1[$i][\'numbers\'];
    $datay2[$i]=$arr2[$i][\'numbers\'];
    $datay3[$i]=$arr3[$i][\'numbers\'];
    $datay4[$i]=$arr4[$i][\'numbers\'];
    $datay5[$i]=$arr5[$i][\'numbers\'];
    $datay6[$i]=$arr6[$i][\'numbers\'];
}

//设置显示的数据数组；
//调用类库
$x = array(\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\",\"10\");

//设置图像的大小
$graph = new Graph(1000,500);  //创建新的Graph对象
$graph->SetScale(\"textlin\");  //刻度样式
$graph->SetShadow();          //设置阴影
$graph->img->SetMargin(40,30,40,50); //设置边距

$graph->graph_theme = null; //设置主题为null，否则value->Show(); 无效

$ybplot1 = new BarPlot($datay1);  //创建BarPlot对象
$ybplot2 = new BarPlot($datay2);
$ybplot3 = new BarPlot($datay3);
$ybplot4 = new BarPlot($datay4);
$ybplot5 = new BarPlot($datay5);
$ybplot6 = new BarPlot($datay6);

$barplot = new GroupBarPlot(array($ybplot1,$ybplot2,$ybplot3,$ybplot4,$ybplot5,$ybplot6));
$ybplot1->SetFillColor(\'red\'); //设置颜色
$ybplot2->SetFillColor(\'blue\'); //设置颜色
$ybplot3->SetFillColor(\'green\'); //设置颜色
$ybplot4->SetFillColor(\'gray\'); //设置颜色
$ybplot5->SetFillColor(\'orange\');
$ybplot6->SetFillColor(\'#000\');


$ybplot1->value->Show(); //设置显示数字
$ybplot2->value->Show(); //设置显示数字

$ybplot3->value->Show(); //设置显示数字

$ybplot4->value->Show(); //设置显示数字

//$ybplot5->value->show();

//$ybplot6->value->show();


$graph->Add($barplot);  //将柱形图添加到图像中

$graph-> ->Set(\"统计\");
$graph->xaxis-> ->Set(\"题目\"); //设置标题和X-Y轴标题
$graph->yaxis-> ->Set(\"人数(个人)\");
$graph-> ->SetColor(\"black\");
$graph-> ->SetMargin(10);
$graph->xaxis-> ->SetMargin(3);
$graph->yaxis-> ->SetMargin(-5);

$graph->xaxis->SetTickLabels($x);

$graph-> ->SetFont(FF_SIMSUN,FS_BOLD);  //设置字体
$graph->yaxis-> ->SetFont(FF_SIMSUN,FS_BOLD);
$graph->xaxis-> ->SetFont(FF_SIMSUN,FS_BOLD);
$graph->xaxis->SetFont(FF_SIMSUN,FS_BOLD);

$graph->Stroke();

本篇为博主原创文章，如需转载请注明出处，谢谢！