README

Simple captcha for yii2.Just add the module in config file and use the widget.

Installation

The preferred way to install this module is through composer.

Either run

php composer.phar require myzero1/yii2-captcha：1.*

or add

"myzero1/yii2-captcha": "~1"

to the require section of your composer.json file.

Setting

Once the extension is installed, simply modify your application configuration as follows:

return [
	// ...
    'bootstrap' => ['captcha',...],
    'modules' => [
        'captcha' => [
            'class' => 'myzero1\captcha\Module',
            // 'maxLen' => 4, //最大显示个数
            // 'minLen' => 4, //最少显示个数
            // 'timeout' => 300, //过期时间，单位为秒
            // 'key' => 'myzero1自研', //用于验证码加密
            // 'source' => '0123456789abcdefghijklmnopqrstuvwxyz', //候选字符，不支持中文的图片渲染，但支持生成中文验证码
            // 'width' => 130,  //宽度
            // 'height' => 32, //高度
            // 'bgColor' => '#dddddd', //背景颜色,六位的rgb
            // 'fontSize' => 24, //字体大小,最大值是 5,这个值对应于 14 像素的字体大小,越大字间距越大
            // 'startLeftTopPoint' => [10,5], //字符起点的左上角坐标
            // 'noiseSpot' => 50, //干扰点数量
            // 'noiseLine' => 3, //干扰线数量
        ],
        // ...
    ],
    // ...
];

Usage

Add upload widget like following:

echo \myzero1\captcha\widgets\Captcha::widget([
    'model' => new \myzero1\captcha\models\Captcha(['scenario'=>'js']),
    // 'model' => new \myzero1\captcha\models\Captcha(['scenario'=>'jsPhp']),
    'attribute' => 'verifyCode',
    'imageOptions'=>[
        'alt'=>'点击换图',
        'title'=>'点击换图',
        'style'=>'cursor:pointer'
    ]
]);

With ActiveForm

echo  $form
// ->field(new \myzero1\captcha\models\Captcha(['scenario'=>'php']),'verifyCode')
->field(new \myzero1\captcha\models\Captcha(['scenario'=>'jsPhp']),'verifyCode')
->widget(
    myzero1\captcha\widgets\Captcha::className(),
    [
        'imageOptions'=>[
            'alt'=>'点击换图',
            'title'=>'点击换图',
            'style'=>'cursor:pointer'
        ]
    ]
)

The scenario discretion

• php: Just validate by PHP.
• jsPhp: validate by JS and PHP

You can access Demo through the following URL:

http://localhost/path/to/index.php?r=captcha/default/demo

or if you have enabled pretty URLs, you may use the following URL:

http://localhost/path/to/index.php/captcha/default/demo