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如何使用模型设置一次更改组件和页面图像? (Octobercms)

[英]How do I use model settings to change my component and page image once at a time? (Octobercms)

我的模型Settings.php

class Settings extends Model
{
    public $implement = ['System.Behaviors.SettingsModel'];
    // A unique code
    public $settingsCode = 'dca_plugins_settings';
    // Reference to field configuration
    public $settingsFields = 'fields.yaml';
    /**
     * @var array Relations
     */
    public $attachOne = [ 'avatar' => ['System\Models\File'] ];
}

我的Fields.yaml

fields:
  id:
    label: ID
    disabled: true

  avatar:
    label: Avatar
    type: fileupload
    mode: image
    imageHeight: 150
    imageWidth: 250

我的组件comp.php

public $avatar_id = 1;

public function getAvatarImage($avatar_id)
{
    $var = \System\Models\File::select('disk_name')->where('attachment_id', $avatar_id)->first();           
    if (count($var) == 0) return "";

    return $var->path;
} 

function setMyAvatarId($id)
{
    $this->avatar_id = $id;
} 

我的html default.htm

{% set avatar_id= __SELF__.property("avatar_id") %}

{% if avatar_id is not empty %}
{% do __SELF__.setMyAvatarId(avatar_id) %}
{% endif %}

<img id="avatar-image" alt="Virtual agent avatar" src="{{ __SELF__.getavatarImage(avatar_id) }}">
<script>
var avatar_id = {{ avatar_id }};
</script> 

我设法获得了我组件的随机链接,但未显示图像 我设法获得一个随机链接,但未显示图片

后端-模型设置

后端-模型设置

有谁知道如何定义页面属性? 如何将页面链接到模型设置?

我该如何运作? 有人请帮助我~~我很迷失:(

Bexie:

观看以下视频: http : //octobercms.com/blog/post/mastering-components

希望这可以帮助!

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