//3点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,121,$h3,135,189,$color);
imagestring($img,1,121,$h3-10,$hour[3],$color);
imagechar($img,1,126,195,3,$bc);
//4点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,151,$h4,165,189,$color);
imagestring($img,1,151,$h4-10,$hour[4],$color);
imagechar($img,1,156,195,4,$bc);
//5点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,181,$h5,195,189,$color);
imagestring($img,1,181,$h5-10,$hour[5],$color);
imagechar($img,1,186,195,5,$bc);
//6点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,211,$h6,225,189,$color);
imagestring($img,1,211,$h6-10,$hour[6],$color);
imagechar($img,1,216,195,6,$bc);
//7点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,241,$h7,255,189,$color);
imagestring($img,1,241,$h7-10,$hour[7],$color);
