80,250,430,134,35,60,233,90,263,225,120,59,151,677,340,221,550,300,229,97,230,123,133,87 一共24个数字 一个都不能少哦少了要出错 你可以修改函数判断一下
<?PHP
/*
24小时柱状图
作者:taokey
QQ:29611705
*/
function h24($str){
$hour = explode(",",$str);
$hmax = max($hour);
$ppix = 150/$hmax;
//计算柱状图高度
$h0 = 190-$hour[0]*$ppix;
$h1 = 190-$hour[1]*$ppix;
$h2 = 190-$hour[2]*$ppix;
$h3 = 190-$hour[3]*$ppix;
$h4 = 190-$hour[4]*$ppix;
$h5 = 190-$hour[5]*$ppix;
$h6 = 190-$hour[6]*$ppix;
$h7 = 190-$hour[7]*$ppix;
$h8 = 190-$hour[8]*$ppix;
$h9 = 190-$hour[9]*$ppix;
$h10 = 190-$hour[10]*$ppix;
$h11 = 190-$hour[11]*$ppix;
$h12 = 190-$hour[12]*$ppix;
$h13 = 190-$hour[13]*$ppix;
$h14 = 190-$hour[14]*$ppix;
$h15 = 190-$hour[15]*$ppix;
$h16 = 190-$hour[16]*$ppix;
$h17 = 190-$hour[17]*$ppix;
$h18 = 190-$hour[18]*$ppix;
$h19 = 190-$hour[19]*$ppix;
$h20 = 190-$hour[20]*$ppix;
$h21 = 190-$hour[21]*$ppix;
$h22 = 190-$hour[22]*$ppix;
$h23 = 190-$hour[23]*$ppix;
//创建一个img
$img = imagecreate(755,210);
//背景
$bgc = imagecolorallocate ($img, 245, 250, 254);
//黑色
$bc = imagecolorallocate($img,0,0,0);
//画竖轴
imageline($img,15,30,15,189, $bc);
//画横轴
imageline($img,15,190,750,190, $bc);
//画竖轴点
for($i=39,$j=10;$i<189;$i=$i+15,$j--){
imageline($img,13,$i,15,$i, $bc);
imagestring($img,1,1,$i-4,$j."x", $bc);
}
//画横轴点
$t = true;
for($i=31,$j=29;$i<750;$i=$j+1,$j=$j+15){
if($t){
$x=$i;
$t=false;
}else{
$x=$i+1;
$t=true;
}
imageline($img,$x,190,$x,192, $bc);
}
//竖轴标记
$x = ceil($hmax/10);
imagestring($img,2,10,15,"X=".$x,$bc);
//竖轴标记
//0点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,31,$h0,45,189,$color);
imagestring($img,1,31,$h0-10,$hour[0],$color);
imagechar($img,1,36,195,0,$bc);
//1点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,61,$h1,75,189,$color);
imagestring($img,1,61,$h1-10,$hour[1],$color);
imagechar($img,1,66,195,1,$bc);
//2点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,91,$h2,105,189,$color);
imagestring($img,1,91,$h2-10,$hour[2],$color);
imagechar($img,1,96,195,2,$bc);
//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],$color);
imagechar($img,1,246,195,7,$bc);
//8点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,271,$h8,285,189,$color);
imagestring($img,1,271,$h8-10,$hour[8],$color);
imagechar($img,1,276,195,8,$bc);
//9点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,301,$h9,315,189,$color);
imagestring($img,1,301,$h9-10,$hour[9],$color);
imagechar($img,1,306,195,9,$bc);
//10点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,331,$h10,345,189,$color);
imagestring($img,1,331,$h10-10,$hour[10],$color);
imagestring($img,1,334,195,10,$bc);
//11点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,361,$h11,375,189,$color);
imagestring($img,1,361,$h11-10,$hour[11],$color);
imagestring($img,1,364,195,11,$bc);
//12点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,391,$h12,405,189,$color);
imagestring($img,1,391,$h12-10,$hour[12],$color);
imagestring($img,1,394,195,12,$bc);
//13点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,421,$h13,435,189,$color);
imagestring($img,1,421,$h13-10,$hour[13],$color);
imagestring($img,1,424,195,13,$bc);
//14点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,451,$h14,465,189,$color);
imagestring($img,1,451,$h14-10,$hour[14],$color);
imagestring($img,1,454,195,14,$bc);
//15点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,481,$h15,495,189,$color);
imagestring($img,1,481,$h15-10,$hour[15],$color);
imagestring($img,1,481,195,15,$bc);
//16点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,511,$h16,525,189,$color);
imagestring($img,1,511,$h16-10,$hour[16],$color);
imagestring($img,1,511,195,16,$bc);
//17点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,541,$h17,555,189,$color);
imagestring($img,1,541,$h17-10,$hour[17],$color);
imagestring($img,1,544,195,17,$bc);
//18点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,571,$h18,585,189,$color);
imagestring($img,1,571,$h18-10,$hour[18],$color);
imagestring($img,1,571,195,18,$bc);
//19点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,601,$h19,615,189,$color);
imagestring($img,1,601,$h19-10,$hour[19],$color);
imagestring($img,1,604,195,19,$bc);
//20点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,631,$h20,645,189,$color);
imagestring($img,1,631,$h20-10,$hour[20],$color);
imagestring($img,1,634,195,20,$bc);
//21点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,661,$h21,675,189,$color);
imagestring($img,1,661,$h21-10,$hour[21],$color);
imagestring($img,1,664,195,21,$bc);
//22点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,691,$h22,705,189,$color);
imagestring($img,1,691,$h22-10,$hour[22],$color);
imagestring($img,1,694,195,22,$bc);
//23点
$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
imagefilledrectangle($img,721,$h23,735,189,$color);
imagestring($img,1,721,$h23-10,$hour[23],$color);
imagestring($img,1,724,195,23,$bc);
//加个边框 加了之后不好看
//imagerectangle($img, 0, 0, 754, 209, $bc);
imagepng($img);
imagedestroy($img);
}
$str = isset($_GET['str'])?$_GET['str']:"";
if($str){
h24($str);
}
?>
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