Home > php教程 > php手册 > php做柱型图的函数

php做柱型图的函数

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB
Release: 2016-06-13 10:23:06
Original
1249 people have browsed it

php做柱型图的函数

关键词:PHP

#为了方便起见,我又做了一个函数来制作柱型图
/*参数说明:
$graphdata:百分比数据(y轴)
$label:x轴标题
$data:实际数据(y轴)
$graphwidth:图像宽度
$graphheight:图像高度
$graphscale:高度因子(为$graphheight/100)
$graphfont:字体号
$bg;背景颜色值
$text:文本颜色值
$grid:边线颜色值
$bar:柱的颜色值
$bz:备注(不支持中文呀)
*/
function timage(
$graphdata,$label,$data,
$graphwidth,$graphheight,$graphscale,$graphfont,
$bg,$text,$grid,$bar,$bz)
{

header("Content-type:image/gif");
$image=imagecreate($graphwidth+50,$graphheight+50);
$bgcolor= imagecolorallocate ($image ,$bg[0],$bg[1],$bg[2]);
$textcolor= imagecolorallocate ($image ,$text[0],$text[1],$text[2]);
$gridcolor=imagecolorallocate ($image ,$grid[0],$grid[1],$grid[2]);
$barcolor=imagecolorallocate ($image ,$bar[0],$bar[1],$bar[2]);
$gridabelwidth=imagefontwidth($graphfont)*3+1;
$gridableheight= imagefontheight ($graphfont);


imageline($image,$gridlabelwidth,0,$gridlabelwidth,$graphheight-1,$gridcolor);
imageline($image,0,$graphheight-1,$graphwidth-1,$graphheight-1,$gridcolor);
for($i=0;$i{
imagedashedline ($image,0,$i,$graphwidth-1,$i,$gridcolor);
imagestring($image,$graphfont,0,$i,round(($graphheight-$i)/$graphscale),$textcolor);
}

$barwidth=(($graphwidth-$gridlabelwidth)/count($graphdata))-30;#¿ØÖÆÖùµÄ×Ü¿í¶È
for($i=0;$i {
$bartopx=$gridlabelwidth+(($i+1)*20)+($i*$barwidth);#¿ØÖÆÖù¿¿×óµÄ¾àÀë
$barbottomx=$bartopx+$barwidth;
$barbottomy=$graphheight-1;#¿ØÖÆÖùµÄϱ߽ç
$bartopy=$barbottomy-($graphdata[$i]*$graphscale);
imagefilledrectangle($image,$bartopx,$bartopy,$barbottomx,$barbottomy,$barcolor);
$labelx1=$bartopx;
$labely1=$bartopy-15;
$labelx2=$bartopx;
$labely2=$graphheight;
imagestring($image,$graphfont,$labelx1,$labely1,"$graphdata[$i]"."%",$textcolor);
imagestring($image,$graphfont,$labelx2,$labely2,"$label[$i]",$textcolor);
imagestringup ($image,$graphfont,$labelx1+10,$labely1-$gridableheight,"$data[$i]",$textcolor);
}
imagestring($image,$graphfont,1,$graphheight+30,$bz,$textcolor);
imagegif ($image);

}
?>
Related labels:
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Issues
php data acquisition?
From 1970-01-01 08:00:00
0
0
0
PHP extension intl
From 1970-01-01 08:00:00
0
0
0
How to learn php well
From 1970-01-01 08:00:00
0
0
0
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template