laravel-admin 在列表页添加自定义按钮的例子

为了添加自定义按钮，按官方文档分4步走：

1、先定义工具类app/Admin/Extensions/Tools/ShowArtwork.php：

<?php

namespace App\\Admin\\Extensions\\Tools;

use Encore\\Admin\\Admin;
use Encore\\Admin\\Grid\\Tools\\AbstractTool;
use Illuminate\\Support\\Facades\\Request;

class ShowArtwork extends AbstractTool
{
  protected $url;
  protected $icon;
  function __construct($url,$icon,$text)
  {
    $this->url = $url;
    $this->icon = $icon;
    $this->text = $text;
  }

  public function render()
  {
    $url = $this->url;
    $icon = $this->icon;
    $text = $this->text;
    return view(\'admin.tools.button\', compact(\'url\',\'icon\',\'text\'));
  }
}

2、定义试图文件：resources/views/admin/tools/button.blade.php

<div class=\"btn\">
  <a class=\"btn btn-sm btn-default pull-right\" href=\"{{$url}}\" rel=\"external nofollow\" ><i class=\"fa {{$icon}}\"></i> {{$text}}</a>
</div>

3、在model-grid引入这个工具：

      $grid->tools(function ($tools)use($artworkid) {
        $url = \"/admin/artimage\";
        $icon = \"fa-backward\";
        $text = \"Back\";
        $tools->append(new ShowArtwork($url,$icon,$text));

        $url = \"/admin/artimage/\".$artworkid.\"/view\";
        $icon = \"fa-eye\";
        $text = \"Show Artwork\";
        $tools->append(new ShowArtwork($url,$icon,$text));
      });

大功告成！

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