<?php function createImage($data,$twidth,$tspace,$height){ header("Content-Type:image/jpeg"); $dataname = array(); $datavalue = array();//data里面的值 $i = 0; $j = 0; $k = 0; $num = sizeof($data); foreach($data as $key => $val){ $dataname[] = $key; $datavalue[] = $val; } $width = $num * ($twidth + $tspace) + 20 ;//获取图像的宽度 $im = imagecreate($width,$height);//创建图像 $bgcolor = imagecolorallocate($im,255,255,255);//背景色 $jcolor = imagecolorallocate($im,255,255,0);//矩形的背景色 $acolor = imagecolorallocate($im,0,0,0);//线的颜色 imageline($im,25,$height-20,$width-5,$height -20,$acolor);//X轴 imageline($im,25,$height-20,25,2,$acolor);//Y轴 while($i< $num){ imagefilledrectangle($im,$i*($tspace+$twidth)+40,$height-$datavalue[$i]-20,$i*($twidth+$tspace)+$tspace+40,$height-20,$jcolor);//画矩形 imagestring($im,3,$i*($tspace+$twidth)+40+$twidth/2,$height-$datavalue[$i]-35,$datavalue[$i],$acolor);//在柱子上面写出值 imagestring($im,3,$i*($tspace+$twidth)+40+$twidth/2,$height-15,$dataname[$i],$acolor);//在柱子下面写出值 $i ++; } while($j < 400/10){ imageline($im,25,($height-20)-$j*8,28,($height-20)-$j*8,$acolor);//画出刻度 imagestring($im,2,5,($height-30)-$j*8,$j*10,$acolor);//标出刻度值 $j = $j +10; } imagejpeg($im); } $data =array("1"=>25,"2"=>30,"3" =>21 ); createImage($data,40,40,300); ?>