PHP中的绘图技术画比例圆

<?php

/*

燕十八 公益PHP培训    课堂地址:YY频道88354001   学习社区:www.zixue.it 原型图测试文件

*/

	header('content-type:text/html;charset=utf-8');

	//POST接受数据

	$smaller = $_POST['smaller']+0;

	$middle = $_POST['middle']+0;

	$college = $_POST['college']+0;

	$doctor = $_POST['doctor']+0;

	$all = $smaller+$middle+$college+$doctor;

	$one = ($smaller/$all)*360;

	$two = ($middle/$all)*360;

	$three = ($college/$all)*360;

	$four = ($doctor/$all)*360;

	//画布

	$im = imagecreatetruecolor(300,200);

	//颜料

	$color = imagecolorallocate($im,255,255,255);

	$color1 = imagecolorallocate($im,0,50,40);

	$color2 = imagecolorallocate($im,0,50,255);

	$color3 = imagecolorallocate($im,0,250,0);

	$color4 = imagecolorallocate($im,50,50,30);

	$color5 = imagecolorallocate($im,255,255,255);

	$color6 = imagecolorallocate($im,255,255,51);

	$color7 = imagecolorallocate($im,255,27,255);

	$color8 = imagecolorallocate($im,25,27,255);

	$color9 = imagecolorallocate($im,25,27,55);

	//填充

	imagefill($im,0,0,$color);

	//画图



	imagefilledarc($im,102,102,105,105,0,360,$color7,4);

	imagefilledarc($im,100,100,100,100,0,$one,$color1,0);

	//画矩形

	imagefilledrectangle($im,5,5,30,30,$color1);

	imagefttext($im,5,0,7,20,$color5,'simhei.ttf','小学生');



	imagefilledarc($im,100,100,100,100,$one,$one+$two,$color2,0);

	//画矩形

	imagefilledrectangle($im,35,5,60,30,$color2);

	imagefttext($im,5,0,37,20,$color5,'simhei.ttf','中学生');



	imagefilledarc($im,100,100,100,100,$one+$two,$one+$two+$three,$color3,0);

	//画矩形

	imagefilledrectangle($im,65,5,90,30,$color3);

	imagefttext($im,5,0,67,20,$color5,'simhei.ttf','大学生');

	

	imagefilledarc($im,100,100,100,100,$one+$two+$three,$one+$two+$three+$four,$color4,0);

	//画矩形

	imagefilledrectangle($im,95,5,120,30,$color4);

	imagefttext($im,5,0,97,20,$color5,'simhei.ttf','博士生');



	header('content-type:image/jpeg');

	imagejpeg($im);

	imagedestroy($im);