WordPress小工具整合Aplayer音乐播放器

PetitQ WordPress教程 2019-3-07 3.80K 0 0

Aplayer 的音乐播放器界面确实好看，所以决定也弄一个，最终整合到侧边栏的小工具上，这样方便在不同的地方调用不同的音乐。

以下是制作 widget 小工具的全部代码，把以下代码存为：widget-aplayer.php

```
<?php
```

add_action('widgets_init', 'widgetaplayerInit');

```
 
```
```
function widgetaplayerInit() {
```
```
    register_widget('widgetaplayer');
```
```
}
```
```
 
```
```
class widgetaplayer extends WP_Widget {
```
```
 
```
```
    /**
```
```
     * widgetProfile setup
```
```
     */
```
```
    function widgetaplayer() {
```

        $widget_ops = array('classname' => 'widget-aplayer', 'description' => '添加Aplayer播放器');

```
        // init widgetProfile
```

        parent::__construct('widget-aplayer', "Aplayer播放器", $widget_ops);

```
    }
```
```
 
```
```
    /**
```

     * How to display the widgetProfile on the screen.

```
     */
```

    function widget( $args, $instance ) {

```
        extract( $args );
```

        /* Our variables from the widget settings. */

        $title = apply_filters('widget_name', $instance['title'] );

```
        $type = $instance['type'];
```
```
        $gs = $instance['gs'];
```
```
        $auto = $instance['auto'];
```
```
        $auto = $instance['auto'];
```
```
        $url = $instance['url'];
```
```
        $pic = $instance['pic'];
```
```
        $word = $instance['word'];
```
```
        echo $before_widget;
```

        echo $this->showWidget($title,$type,$gs, $auto, $url, $pic,$word);

```
        echo $after_widget;
```
```
    }
```
```
 
```
```
    /**
```
```
     * Update the widget settings.
```
```
     */
```

    function update( $new_instance, $old_instance ) {

```
        $instance = $old_instance;
```

        /* Strip tags for title and name to remove HTML (important for text inputs). */

        $instance['title'] = strip_tags( $new_instance['title'] );

        $instance['type'] = strip_tags( $new_instance['type'] );

        $instance['gs'] = strip_tags( $new_instance['gs'] );

        $instance['auto'] = strip_tags( $new_instance['auto'] );

        $instance['url'] = strip_tags( $new_instance['url'] );

        $instance['pic'] = strip_tags( $new_instance['pic'] );

        $instance['word'] = strip_tags( $new_instance['word'] );

```
        return $instance;
```
```
    }
```
```
 
```
```
    /**
```

     * Displays the widget settings controls on the widget panel.

     * Make use of the get_field_id() and get_field_name() function

     * when creating your form elements. This handles the confusing stuff.

```
     */
```
```
    function form( $instance ) {
```

        /* Set up some default widget settings. */

```
        $defaults = array(
```
```
            'title' => '',
```
```
            'type' => 'true',
```
```
            'gs' => 'true',
```
```
            'auto'  => '',
```
```
            'url'   => '',
```
```
            'pic'   => '',
```
```
            'word'  => ''
```
```
        );
```

        $instance = wp_parse_args( (array) $instance, $defaults ); ?>

```
        
```
```
        <p>
```

            <label for="<?php echo $this->get_field_id( 'title' ); ?>">显示标题</label>

            <input type="text" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo $instance['title']; ?>" style="width:100%;" />

```
        </p>
```
```
        <p>
```

            <label for="<?php echo $this->get_field_id( 'type' ); ?>">自动播放</label>

            <select id="<?php echo $this->get_field_id( 'type' ); ?>" name="<?php echo $this->get_field_name( 'type' ); ?>" class="widefat" style="width:100%;">

                <option value="true" <?php if ( 'true' == $instance['type'] ) echo 'selected="selected"'; ?>>开启</option>

                <option value="false" <?php if ( 'false' == $instance['type'] ) echo 'selected="selected"'; ?>>关闭</option>

```
            </select>
```
```
        </p>
```
```
        <p>
```

            <label for="<?php echo $this->get_field_id( 'gs' );?>">开启歌词</label>

            <select id="<?php echo $this->get_field_id( 'gs' ); ?>" name="<?php echo $this->get_field_name( 'gs' ); ?>" class="widefat" style="width:100%;">

                <option value="true" <?php if ( 'true' == $instance['gs'] ) echo 'selected="selected"'; ?>>开启</option>

                <option value="false" <?php if ( 'false' == $instance['gs'] ) echo 'selected="selected"'; ?>>关闭</option>

```
            </select>
```
```
        </p>
```
```
        <p>
```

            <label for="<?php echo $this->get_field_id( 'auto' ); ?>">歌唱者</label>

            <input type="text" id="<?php echo $this->get_field_id( 'auto' ); ?>" name="<?php echo $this->get_field_name( 'auto' ); ?>" value="<?php echo $instance['auto']; ?>" style="width:100%;" />

```
        </p>
```
```
        <p>
```

            <label for="<?php echo $this->get_field_id( 'url' ); ?>">歌曲URL</label>

            <input type="text" id="<?php echo $this->get_field_id( 'url' ); ?>" name="<?php echo $this->get_field_name( 'url' ); ?>" value="<?php echo $instance['url']; ?>" style="width:100%;" />

```
        </p>
```
```
        <p>
```

            <label for="<?php echo $this->get_field_id( 'pic' ); ?>">歌曲封面</label>

            <input type="text" id="<?php echo $this->get_field_id( 'pic' ); ?>" name="<?php echo $this->get_field_name( 'pic' ); ?>" value="<?php echo $instance['pic']; ?>" style="width:100%;" />

```
        </p>
```
```
        <p>
```

            <label for="<?php echo $this->get_field_id( 'word' ); ?>">歌词</label>

            <input type="text" id="<?php echo $this->get_field_id( 'word' ); ?>" name="<?php echo $this->get_field_name( 'word' ); ?>" style="width:100%;" value="<?php echo $instance['word']; ?>" />

```
        </p>
```
```
        <?php
```
```
    }
```
```
 
```

    function showWidget($title,$type,$gs, $auto, $url, $pic, $word) {

```
        ?>
```

    <link href="<?php echo get_template_directory_uri().'/aplayer/APlayer.min.css'?>" rel="stylesheet">

    <script src="<?php echo get_template_directory_uri().'/aplayer/APlayer.min.js'?>"></script>

    <div class="widget-title"><?php echo $title ?></div>

```
        <div id="player1">
```

            <pre class="aplayer-lrc-content">

```
                <?php echo $word ?>
```
```
            </pre>
```
```
        </div>
```
```
    <script>
```
```
        var ap = new APlayer
```
```
                ({
```

                    element: document.getElementById('player1'),

```
                    narrow: false,
```

                    autoplay: <?php echo $type ?>,

                    showlrc: <?php echo $gs ?>,

```
                    music: {
```

                            title: '<?php echo $title ?>',

                            author: '<?php echo $auto ?>',

                            url: '<?php echo $url ?>',

                            pic: '<?php echo $pic ?>'

```
                            }
```
```
                });
```
```
        ap.init();
```
```
    </script>
```
```
    <?php }
```
```
}?>
```

也想出现在这里？联系我们吧

其中这二句是引用了 Aplayer 的 JS 与 CSS

<link href="<?php echo get_template_directory_uri().'/aplayer/APlayer.min.css'?>" rel="stylesheet">

<script src="<?php echo get_template_directory_uri().'/aplayer/APlayer.min.js'?>"></script>

这二句我是放在我的主题文件夹下的，你也可以直接引用官方的 Aplayer 的 js 与 css 最后在 function.php 引用这个文件：widget-aplayer.php

include(TEMPLATEPATH.’/template-parts/widget/widget-aplayer.php’);

在后台外观-小工具中选择 Aplayer 播放器

这样一个小工具就做好了，可以放在侧边栏的任何位置，目前在设置歌曲的 URL 与封面时，都是手动粘地址，好想直接多媒体库中添加多好，暂时还不会怎么关联媒体库，有知道的肯请粘上代码。

WordPress 小工具整合 Aplayer 音乐播放器

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