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The author:(作者)归海一刀published in(发表于) 2014/2/17 7:31:54 PHP实例：PHP汉字验证码的实现_[PHP教程]
/* * 文件:chinesechar.php * 作用:汉字数据储存 * 作者:PHP实战群:33918040 - 鱼尾唯一 * 网址:http://bbs.ailf.cn/ http://www.fishwei.com/ * 特注:版权所有转载注明出处!有付出才会有收获! */ ChineseChar = array("人","出","来","友","学","孝","仁","义","礼","廉","忠","国","中","易","白","者","火 ","土","金","木","雷","风","龙","虎","天","地", "生","晕","菜","鸟","田","三","百","钱","福 ","爱","情","兽","虫","鱼","九","网","新","度","哎","唉","啊","哦","仪","老","少","日", "月 ","星"); ?>
session_start(); errorMSG = ''; //验证用户输入是否和验证码一致 if(!is_null(_POST['check'])) { if (strcasecmp(_SESSION['code'],_POST['code'])==0) errorMSG = "验证成功!"; else errorMSG = "验证失败!"; } ?> if(errorMSG){ echo errorMSG; } ?> method=post> 请输入验证码：
验证成功!
验证失败!
include_once("chinesechar.php"); session_start(); // 设置 content-type header("Content-type: image/png"); // 创建图片 im = imagecreatetruecolor(120, 30);
// 创建颜色 fontcolor = imagecolorallocate(im, 255, 255, 255); bg = imagecolorallocate(im, 0, 0, 0);
// 设置文字 for(i=0;i<4;i++) text .= ChineseChar[(array_rand(ChineseChar))];
_SESSION['code'] = text; // 设置字体 font = 'simkai.ttf';
// 添加文字 imagettftext(im, 18, 0, 11, 21, fontcolor, font, iconv("GB2312","UTF-8",text));
// 输出图片 imagepng(im); imagedestroy(im); ?>
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