Yii2 Image Cropper InputWidget
Cropper.js v4.0.0 - Bootstrap Cropper (recommended) (already included).
- Image Crop 图片裁剪
- Image Rotate 图片旋转
- Image Flip 图片翻转
- Image Zoom 图片缩放
- Image Reset 图片重置
- Coordinates 图片坐标
- Image Sizes Info
- Base64 Data 图片base64编码
- Upload 图片上传
- Delete Img 删除图片
The preferred way to install this extension is through composer.
Either run
php composer.phar require --prefer-dist coldlook/yii2-cropper "dev-master"
or add
"coldlook/yii2-cropper": "dev-master"
to the require section of your composer.json file.
Let's add in your controller file
public function actionBase64Img(){
$image=$this->param('image');
$fileName=$this->save_base64_image($image);
if(!$fileName){
return $this->ajaxMessage(1,'上传失败');
}
$successPath = Yii::$app->params['imageUploadSuccessPath'] . date('Ymd') . '/';
if ($successPath === false) {
return $this->ajaxMessage(1,'上传失败');
}else{
return $this->ajaxMessage(0,'上传成功',[
'url' => $successPath,
'attachment' => $successPath
]);
}
}
/**
* [将Base64图片转换为本地图片并保存]
* @param [Base64] $save_base64_image [要保存的Base64]
* @param [目录] $path [要保存的路径]
*/
public function save_base64_image($base64_image_content,$path=''){
if(!$path){
$path = Yii::$app->params['imageUploadRelativePath'] . date('Ymd') . '/';
}
//匹配出图片的格式
if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)){
$type = $result[2];
if (!is_dir($path)) {
FileHelper::createDirectory($path, 0777);
}
$fileName= date('YmdHis') . rand(100000, 999999). '.' .$type;
if (file_put_contents($path.$fileName, base64_decode(str_replace($result[1], '', $base64_image_content)))){
return $fileName;
}else{
return false;
}
}else{
return false;
}
}
echo $form->field($model, '_image')->widget(\coldlook\cropper\Cropper::className(), [
'label' => '选择图片',
'imageUrl' => $model->_image,
'cropperOptions' => [
'width' => 255,
'height' => 150,
'preview' => [
'width' => 255,
'height' => 150,
],
],
'uploadOptions'=>[
'url'=>'/admin/upload/base64-img',
'response'=>'res.result.url'
]
]); echo $form->field($model, '_image')->lable("封面图1(非必填,尺寸:宽*高 建议尺寸225px*150px)")->widget(\coldlook\cropper\Cropper::className(), [
/*
* elements of this widget
*
* buttonId = #cropper-select-button-$uniqueId
* previewId = #cropper-result-$uniqueId
* modalId = #cropper-modal-$uniqueId
* imageId = #cropper-image-$uniqueId
* inputChangeUrlId = #cropper-url-change-input-$uniqueId
* closeButtonId = #close-button-$uniqueId
* cropButtonId = #crop-button-$uniqueId
* browseInputId = #cropper-input-$uniqueId // fileinput in modal
*/
'uniqueId' => 'image_cropper', // will create automaticaly if not set
// you can set image url directly
// you will see this image in the crop area if is set
// default null
'imageUrl' => Yii::getAlias('@web/image.jpg'),
'cropperOptions' => [
'width' => 100, // must be specified
'height' => 100, // must be specified
// optional
// url must be set in update action
'preview' => [
'url' => '', // (!empty($model->image)) ? Yii::getAlias('@uploadUrl/'.$model->image) : null
'width' => 100, // must be specified // you can set as string '100%'
'height' => 100, // must be specified // you can set as string '100px'
],
// optional // default following code
// you can customize
'buttonCssClass' => 'btn btn-primary',
// optional // defaults following code
// you can customize
'icons' => [
'browse' => '<i class="fa fa-image"></i>',
'crop' => '<i class="fa fa-crop"></i>',
'close' => '<i class="fa fa-crop"></i>',
'zoom-in' => '<i class="fa fa-search-plus"></i>',
'zoom-out' => '<i class="fa fa-search-minus"></i>',
'rotate-left' => '<i class="fa fa-rotate-left"></i>',
'rotate-right' => '<i class="fa fa-rotate-right"></i>',
'flip-horizontal' => '<i class="fa fa-arrows-h"></i>',
'flip-vertical' => '<i class="fa fa-arrows-v"></i>',
'move-left' => '<i class="fa fa-arrow-left"></i>',
'move-right' => '<i class="fa fa-arrow-right"></i>',
'move-up' => '<i class="fa fa-arrow-up"></i>',
'move-down' => '<i class="fa fa-arrow-down"></i>',
'reset' => '<i class="fa fa-refresh"></i>',
'delete' => '<i class="fa fa-trash"></i>',
],
// you can customize your upload options
'uploadOptions'=>[
'url'=>'/upload/base64-img',
'response'=>'res.result.url'
]
],
// optional // defaults following code
// you can customize
'label' => '选择图片',
// optional // default following code
// you can customize
'template' => '{button}{preview}',
]); echo $form->field($model, '_image')->widget(\coldlook\cropper\Cropper::className(), [
'cropperOptions' => [
'width' => 100, // must be specified
'height' => 100, // must be specified
],
'jsOptions' => [
'pos' => View::POS_END, // default is POS_END if not specified
'onClick' => 'function(event){
// when click crop or close button
// do something
}'
],
]);You can set crop image directly with javascript
Sample:
$('button').click(function() {
// #cropper-modal-$unique will show automatically when click the button
// you must set uniqueId on widget
$('#cropper-url-change-input-' + uniqueId).val('image.jpeg').trigger('change');
});