Using verification code in Laravel

This article mainly introduces the use of verification codes in Laravel, which has certain reference value. Now I share it with everyone. Friends in need can refer to it

Using verification code in Laravel

Installation

Add a reference to the verification code in composer.json

{

    "require": {

        "laravel/framework": "5.0.*",

        "mews/captcha": "~2.0"

    },

    "minimum-stability": "dev"}

or

composer require mews/captcha

Then run the following command to update the library dependencies

composer update

or

 composer install

In Windows system, it must be in php.iniEnable GD2 DLL expansionphp_gd2.dll, and also must open php_fileinfo.dll and php_mbstring.dll

to use

Inject the verification code service provider in config/app.php.

'providers' => [
    // ...
    'Mews\Captcha\CaptchaServiceProvider',
]

for Laravel 5.1

'providers' => [
    // ...
    Mews\Captcha\CaptchaServiceProvider::class,
]

Find the aliases key in config/app.php.

'aliases' => [
     // ...
    'Captcha' => 'Mews\Captcha\Facades\Captcha',
]

for Laravel 5.1

 'aliases' => [
        // ...
        'Captcha' => Mews\Captcha\Facades\Captcha::class,
    ]

Configuration

You can customize the style of the verification code and the number of input characters

Copy the configuration file to configUnder the directory
$ php artisan vendor:publish

##Configuration file path
config/ captcha.php

return [    'default'   => [       
 'length'    => 5,        
 'width'     => 120,        
 'height'    => 36,        
 'quality'   => 90,
    ],    // ...];

Specific usage examples

 <p class="form-group {{ $errors->has(&#39;captcha&#39;) ? &#39; has-error&#39; : &#39;&#39; }}">
    <label for="captcha" class="col-md-4 control-label">验证码</label>

    <p class="col-md-6">
        <input id="captcha" class="form-control" name="captcha" >

        <img  class="thumbnail captcha" src="{{ captcha_src(&#39;flat&#39;) }}" onclick="this.src=&#39;/captcha/flat?&#39;+Math.random()" title="点击图片重新获取验证码" alt="Using verification code in Laravel" >

        @if ($errors->has(&#39;captcha&#39;))            <span class="help-block">
            <strong>{{ $errors->first(&#39;captcha&#39;) }}</strong>
        </span>
        @endif    </p></p>

             

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