Installation

The preferred way to install this extension is through composer.

Either run

php composer.phar require --prefer-dist ommu/yii2-redactor "dev-master"

or

 "ommu/yii2-redactor": "dev-master"

to the require section of your composer.json.

Configure

Add to config file (config/web.php or common\config\main.php)

    'modules' => [
        'redactor' => 'yii\redactor\RedactorModule',
    ],

or if you want to change the upload directory. to path/to/uploadfolder default value @webroot/uploads

    'modules' => [
        'redactor' => [
            'class' => 'yii\redactor\RedactorModule',
            'uploadDir' => '@webroot/path/to/uploadfolder',
            'uploadUrl' => '@web/path/to/uploadfolder',
            'imageAllowExtensions'=>['jpg','png','gif']
        ],
    ],

note: You need to create uploads folder and chmod and set security for folder upload reference: Protect Your Uploads Folder with .htaccess, How to Setup Secure Media Uploads

Config view/form

<?= $form->field($model, 'body')->widget(\yii\redactor\widgets\Redactor::className()) ?>

or not use ActiveField

<?= \yii\redactor\widgets\Redactor::widget([
    'model' => $model,
    'attribute' => 'body'
]) ?>

or config advanced redactor reference Docs

<?= $form->field($model, 'body')->widget(\yii\redactor\widgets\Redactor::className(), [
    'clientOptions' => [
        'imageManagerJson' => ['/redactor/upload/image-json'],
        'imageUpload' => ['/redactor/upload/image'],
        'fileUpload' => ['/redactor/upload/file'],
        'lang' => 'zh_cn',
        'plugins' => ['clips', 'fontcolor','imagemanager']
    ]
])?>

change default subfolder - optional, name subfolder only [a-zA-Z]

<?= $form->field($model, 'body')->widget(\yii\redactor\widgets\Redactor::className(), [
    'clientOptions' => [
        'imageManagerJson' => ['/redactor/upload/image-json', 'subfolder' => 'news'], 
        'imageUpload' => ['/redactor/upload/image', 'subfolder' => 'news'],
        'fileUpload' => ['/redactor/upload/file', 'subfolder' => 'news'],
        'lang' => 'zh_cn',
        'plugins' => ['clips', 'fontcolor','imagemanager']
    ]
])?>

Bummer! i was tested on my project but not have many time to write document on file and usage. If you have problem please create a issue

Thanks!