<?php//思路1.画布$im=imagecreatetruecolor(400,300);//黑色的背景$white=imagecolorallocate($im,255,255,255);imagefill($im,0,0,$white);//2。画出shan 形//三个色$red=imagecolorallocate($im,254,0,0);$blue=imagecolorallocate($im,0,0,128);$gary=imagecolorallocate($im,192,192,192);//有点暗的，y上$darkRed=imagecolorallocate($im,144,0,0);$darkBlue=imagecolorallocate($im,0,0,80);$darkGary=imagecolorallocate($im,144,144,144);//动感思路：画很多个即可Y上for($i=60;$i>=50;$i--){imagefilledarc($im,100,$i,100,50,0,35,$darkBlue,IMG_ARC_PIE);imagefilledarc($im,100,$i,100,50,35,75,$darkGary,IMG_ARC_PIE);imagefilledarc($im,100,$i,100,50,75,360,$darkRed,IMG_ARC_PIE);}//for//加个盖子，在最顶上加上一个imagefilledarc($im,100,50,100,50,0,35,$blue,IMG_ARC_PIE);imagefilledarc($im,100,50,100,50,35,75,$gary,IMG_ARC_PIE);imagefilledarc($im,100,50,100,50,75,360,$red,IMG_ARC_PIE);header("content-type:image/png");imagepng($im);imagedestroy($im);?>
