174 lines
4.1 KiB
Markdown
174 lines
4.1 KiB
Markdown
# 自定义工具
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在`model-grid`的头部默认有`批量删除`和`刷新`两个操作工具，如果有更多的操作需求，`model-grid`提供了自定义工具的功能,下面的示例添加一个性别分类选择的按钮组工具。
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先定义工具类`app/Admin/Extensions/Tools/UserGender.php`：
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```php
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<?php
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namespace App\Admin\Extensions\Tools;
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use Encore\Admin\Admin;
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use Encore\Admin\Grid\Tools\AbstractTool;
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use Illuminate\Support\Facades\Request;
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class UserGender extends AbstractTool
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{
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protected function script()
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{
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$url = Request::fullUrlWithQuery(['gender' => '_gender_']);
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return <<<EOT
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$('input:radio.user-gender').change(function () {
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var url = "$url".replace('_gender_', $(this).val());
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$.pjax({container:'#pjax-container', url: url });
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});
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EOT;
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}
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public function render()
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{
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Admin::script($this->script());
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$options = [
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'all' => 'All',
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'm' => 'Male',
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'f' => 'Female',
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];
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return view('admin.tools.gender', compact('options'));
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}
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}
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```
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视图`admin.tools.gender`文件为`resources/views/admin/tools/gender.blade.php`:
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```php
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<div class="btn-group" data-toggle="buttons">
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@foreach($options as $option => $label)
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<label class="btn btn-default btn-sm {{ \Request::get('gender', 'all') == $option ? 'active' : '' }}">
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<input type="radio" class="user-gender" value="{{ $option }}">{{$label}}
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</label>
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@endforeach
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</div>
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```
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在`model-grid`引入这个工具：
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```php
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$grid->tools(function ($tools) {
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$tools->append(new UserGender());
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});
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```
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在`model-grid`定义中接收到`gender`参数后，做好数据查询就可以了：
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```php
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if (in_array(Request::get('gender'), ['m', 'f'])) {
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$grid->model()->where('gender', Request::get('gender'));
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}
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```
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可以参考上面的方式来添加自己的工具。
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## 批量操作
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目前默认实现了批量删除操作的功能，如果要关掉批量删除操作：
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```php
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$grid->tools(function ($tools) {
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$tools->batch(function ($batch) {
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$batch->disableDelete();
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});
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});
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```
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如果要添加自定义的批量操作，可以参考下面的例子。
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下面是扩展一个对文章批量发布的功能：
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先定义操作类`app/Admin/Extensions/Tools/ReleasePost.php`：
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```php
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<?php
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namespace App\Admin\Extensions\Tools;
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use Encore\Admin\Grid\Tools\BatchAction;
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class ReleasePost extends BatchAction
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{
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protected $action;
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public function __construct($action = 1)
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{
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$this->action = $action;
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}
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public function script()
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{
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return <<<EOT
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$('{$this->getElementClass()}').on('click', function() {
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$.ajax({
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method: 'post',
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url: '{$this->resource}/release',
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data: {
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_token:LA.token,
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ids: selectedRows(),
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action: {$this->action}
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},
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success: function () {
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$.pjax.reload('#pjax-container');
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toastr.success('操作成功');
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}
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});
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});
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EOT;
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}
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}
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```
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看代码的实现，通过click操作发送一个post请求，把选中的行数据`id`通过数组的形式传给后端接口，后端接口拿到`id`列表和要修改的状态来更新数据，然后前端刷新页面(pjax reload)，并弹出`toastr`提示操作成功。
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在`model-grid`中加入这个批量操作功能：
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```php
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$grid->tools(function ($tools) {
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$tools->batch(function ($batch) {
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$batch->add('发布文章', new ReleasePost(1));
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$batch->add('文章下线', new ReleasePost(0));
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});
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});
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```
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这样批量操作下拉按钮下面就会添加两个操作项，最后一步就是添加一个接口来处理批量操作的请求了，接口代码如下：
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```php
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class PostController extends Controller
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{
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...
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public function release(Request $request)
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{
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foreach (Post::find($request->get('ids')) as $post) {
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$post->released = $request->get('action');
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$post->save();
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}
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}
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...
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}
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```
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然后添加路由指向上面的接口：
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```php
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$router->post('posts/release', 'PostController@release');
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```
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这样整个流程就完成了。 |