php繪製柱形圖

<?php
header("Content-type:text/html;charset=utf-8");
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_bar.php');


$x = array("Watermelon","apple","pear","banana","Strawberry");  //設置x軸數據
$y = array("80","78","56","66","45");  //設置y軸數據


$grahp = new Graph(600,400); //設置畫布大小
$grahp -> SetScale('textlin');  //設置座標刻度類型


$barplot = new BarPlot($y);  //實例化baeplot對象
$grahp -> xaxis -> SetTickLabels($x);  //


$grahp -> title -> set(iconv("utf-8","gb2312","水果一月份銷售量"));   //統計圖標題
$grahp->title->SetFont(FF_SIMSUN, FS_NORMAL,15);   //標題字體
$grahp -> xaxis -> title -> SetFont(FF_SIMSUN,FS_BOLD);
$grahp -> xaxis -> title -> Set(iconv("utf-8", "gb2312", "水果名稱"));
$grahp -> yaxis -> title -> SetFont(FF_SIMSUN,FS_BOLD);
$grahp -> yaxis -> title -> Set(iconv("utf-8", "gb2312", "數量(公斤)"));

$grahp->Add($barplot);    //
$barplot->value->show();
$grahp->Stroke();  //輸出圖像
?>

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