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  • laravel 验证码组件

    法一:进入  https://packagist.org/   组件网  搜索 gregwar/captcha

    法二:用命令 composer   require  gregwar/captcha

    或者:在项目中的composer.json 文件中加入

    "require" :{

      "gregwar/captcha": "1.*"

    }

    然后执行:composer update

    使用:

    添加路由 :

    Route::get('/code/captcha/{tmp}','AdminLoginController@captcha');

    控制器中(LoginController):

    use GregwarCaptchaCaptchaBuilder;

    use GregwarCaptchaPhraseBuilder;
    方法:
    public function captcha($tmp){
    $phrase = new PhraseBuilder;
    //设置验证吗位数
    $code = $phrase->build(6);
    //生成验证码图片build 对象 ,配置相应属性
    $builder = new CaptchaBuilder($code,$phrase);
    //设置背景颜色
    $builder->setBackgroundColor(220,210,230);
    $builder->setMaxAngle(25);
    $builder->setMaxBehindLines(0);
    $builder->setMaxFrontLines(0);
    //可以设置图片宽度及字体
    $builder->build($whth=100,$height=40,$font=null);
    //获取验证码内容
    $phrase = $builder->getPhrase();
    //把内容存入session
    Session::flash('code',$phrase);
    //生成图片
    header('Cache-Control:no-cache,must-revalidate');
    header('Cotent-Type:image/jpeg');
    $builder ->output();
    }
    模板中(login):
    <input name="code" lay-verify="required" placeholder="验证码"  type="text" class="layui-input" style="height: 40px; 150px;float: left;">
    <a onclick="javascript:re_captcha()" style="margin-left: 20px">
    <img src="{{URL('/code/captcha/1')}}" alt="" id="127ddf0de5a04167a9e427d883690ff6">
    </a>
    点击切换验证码的js
    <script type="text/javascript">
    function re_captcha() {
    $url = "{{URL('/code/captcha')}}";
    $url = $url+"/"+Math.random();
    document.getElementById('127ddf0de5a04167a9e427d883690ff6').src = $url;
    }
    </script>



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  • 原文地址:https://www.cnblogs.com/vilucky/p/12322935.html
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