一，官方文档地址:
1,文档
https://www.workerman.net/doc/webman/components/captcha.html2,用到的库项目代码地址:
https://github.com/webman-php/captcha二， 安装库:
1,用composer安装
liuhongdi@lhdpc:/data/webman/imageadmin$ composer require webman/captcha2,查看所安装库的版本:
liuhongdi@lhdpc:/data/webman/imageadmin$ composer show webman/captcha
name : webman/captcha
descrip. : Captcha generator
keywords : bot, captcha, spam
versions : * v1.0.2
…三，php代码:
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<?php
namespace app\controller;
use support\Request;
use app\result\Result;
use support\Log;
use think\facade\Db;
use think\facade\Cache;
use Webman\Captcha\CaptchaBuilder;
use Webman\Captcha\PhraseBuilder;
use app\model\Comment as CommentModel;
class ImageController
{
/**
* 输出验证码图像
*/
public function captcha(Request $request){
// 验证码长度
$length = 4;
// 包含哪些字符
$chars = '0123456789abcefghijklmnopqrstuvwxyz';
$builder = new PhraseBuilder($length, $chars);
$captcha = new CaptchaBuilder(null, $builder);
// 生成验证码
$captcha->build($width = 200, $height = 80, $font = null);
// 将验证码的值存储到session中
$request->session()->set('captcha', strtolower($captcha->getPhrase()));
/*
// base64 image
$image = $captcha->inline();
//json
return json(['code' => 0, 'image'=>$image,'uniqid'=>'123']);
*/
// 获得验证码图片二进制数据
$img_content = $captcha->get();
return response($img_content, 200, ['Content-Type' => 'image/jpeg']);
}
/**
* 检查验证码
*/
public function checkCaptcha(Request $request)
{
// 获取post请求中的captcha字段
$captcha = $request->post('captcha');
// 对比session中的captcha值
if (strtolower($captcha) !== $request->session()->get('captcha')) {
return json(['code' => 400, 'msg' => '输入的验证码不正确']);
}
return json(['code' => 0, 'msg' => 'ok']);
}
|
说明：刘宏缔的架构森林—专注it技术的博客，
网站：https://blog.imgtouch.com
原文: https://blog.imgtouch.com/index.php/2023/09/19/webman-sheng-cheng-tu-xing-yan-zheng-ma/
代码: https://github.com/liuhongdi/ 或 https://gitee.com/liuhongdi
说明：作者:刘宏缔 邮箱: [email protected]
四，查看效果:
五，查看webman的版本:
liuhongdi@lhdpc:/data/webman/imageadmin$ composer show workerman/webman-framework
name : workerman/webman-framework
descrip. : High performance HTTP Service Framework.
keywords : High Performance, http service
versions : * v1.5.7
...