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',
            // 'fixedVerifyCode' => YII_ENV_TEST ? 'testme' : null,
            // 'backColor' => 0x605ca8,//背景颜色
            // 'maxLength' => 3, //最大显示个数
            // 'minLength' => 3,//最少显示个数
            // 'padding' => 5,//间距
            // 'height' => 40,//高度
            // 'width' => 80,  //宽度
            // 'foreColor' => 0xffffff,     //字体颜色
            // 'offset' => 4,        //设置字符偏移量 有效果
            // 'transparent' => false,        //设置字符偏移量 有效果
        ],
        // ...
    ],
    // ...
];

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