自己导入字体，可以按照自己的额需要随便修改。
字体建议是用粗的
-
class Imagecode{
- private $width ;
- private $height;
- private $counts;
- private $distrubcode;
- private $fonturl;
- private $fonturlbg;
- private $session;
- /**
- * Enter description here...
- *
- * @param unknown_type $width 宽度
- * @param unknown_type $height 高度
- * @param unknown_type $counts 字符个数
- * @param unknown_type $distrubcode 随机字符范围
- * @param unknown_type $fonturl 严重码字体
- * @param unknown_type $fonturlbg 干扰字符字体
- */
- function __construct($width = 120,$height = 30,$counts = 5,$distrubcode="1235467890qwertyuipkjhgfdaszxcvbnm",$fonturl="msyhbd.ttf",$fonturlbg='f.ttf'){
- $this->width=$width;
- $this->height=$height;
- $this->counts=$counts;
- $this->distrubcode=$distrubcode;
- $this->fonturl=$fonturl;
- $this->fonturlbg=$fonturlbg ? $fonturlbg :$fonturl;//未设置干扰字体时使用
- $this->session=$this->sessioncode();
- session_start();
- $_SESSION['code']=$this->session;
- }
-
- function imageout(){
- $im=$this->createimagesource();
- $this->setbackgroundcolor($im);
- $this->set_code($im);
- $this->setdistrubecode($im);
- ImageGIF($im);
- ImageDestroy($im);
- }
-
- private function createimagesource(){
- return imagecreate($this->width,$this->height);
- }
- private function setbackgroundcolor($im){
- $bgcolor = ImageColorAllocate($im, rand(200,255),rand(200,255),rand(200,255));//±3?°??é?
- imagefill($im,0,0,$bgcolor);
- }
- private function setdistrubecode($im){
- $count_h=$this->height;
- $cou=floor($count_h*2);
- for($i=0;$i $x=rand(0,$this->width);
- $y=rand(0,$this->height);
- $jiaodu=rand(0,360);
- $fontsize=rand(8,15);
- $fonturl=$this->fonturlbg;
- $originalcode = $this->distrubcode;
- $countdistrub = strlen($originalcode);
- $dscode = $originalcode[rand(0,$countdistrub-1)];
- $color = ImageColorAllocate($im, rand(40,140),rand(40,140),rand(40,140));//干扰文字颜色
- imagettftext($im,$fontsize,$jiaodu,$x,$y,$color,$fonturl,$dscode);
-
- }
- }
- private function set_code($im){
- $width=$this->width;
- $counts=$this->counts;
- $height=$this->height;
- $scode=$this->session;
- $y=floor($height/2)+floor($height/4);
- $fontsize=rand(30,35);
- $fonturl=$this->fonturl;
-
- $counts=$this->counts;
- for($i=0;$i $char=$scode[$i];
- $x=floor($width/$counts)*$i+8;
- $jiaodu=rand(-20,30);
- $color = ImageColorAllocate($im,rand(0,200),rand(50,200),rand(100,240));//文字颜色
- imagettftext($im,$fontsize,$jiaodu,$x,$y,$color,$fonturl,$char);
- }
-
-
-
- }
- private function sessioncode(){
- $originalcode = $this->distrubcode;
- $countdistrub = strlen($originalcode);
- $_dscode = "";
- $counts=$this->counts;
- for($j=0;$j $dscode = $originalcode[rand(0,$countdistrub-1)];
- $_dscode.=$dscode;
- }
- return $_dscode;
-
- }
- }
- Header("Content-type: image/GIF");
- $imagecode=new Imagecode(160,50);
- $imagecode->imageout();
-
|
Apakah kegunaan java
pengecualian nullpointerexception
Apa yang perlu dilakukan jika penggunaan CPU terlalu tinggi
Tiada penyesuai rangkaian dalam pengurus peranti
apa itu usdt
Bagaimana untuk memadam data dalam MongoDB
Metaverse mengiktiraf sepuluh syiling berpotensi teratas
Bagaimana untuk menyelesaikan tamat masa 504 gateway
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