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ActiveLibrary[Utility & Helpers](/categories/utility)

imwutao/dcat-infinity-select
============================

基于Dcat Admin开发的无限级联动Select组件，主要解决不确定层级的树形数据的操作问题。

1.1(1y ago)03MITBladePHP ^8.2

Since Feb 28Pushed 1y ago1 watchersCompare

[ Source](https://github.com/imwutao/dcat-infinity-select)[ Packagist](https://packagist.org/packages/imwutao/dcat-infinity-select)[ Docs](https://github.com/imwutao/dcat-infinity-select)[ RSS](/packages/imwutao-dcat-infinity-select/feed)WikiDiscussions main Synced 1mo ago

READMEChangelogDependencies (1)Versions (3)Used By (0)

Dcat Admin 无限级联动Select组件
------------------------

[](#dcat-admin-无限级联动select组件)

### **如果感觉好用，还请给个`Star`鼓励一下，谢谢 🍻 。**

[](#如果感觉好用还请给个star鼓励一下谢谢-beers-)

该插件是 [Dcat Admin](https://learnku.com/docs/dcat-admin/) 的插件，安装方式遵循Dcat Admin官方文档。

界面展示
----

[](#界面展示)

[![image](screenshots/demo.gif)](screenshots/demo.gif)

实现原理
----

[](#实现原理)

该组件继承自`Dcat\Admin\Form\Field\Select`类，兼容原组件的属性和方法，并新增了一个`list()`方法用来在编辑时设定创建时生成的有序链表。

1. 页面初次渲染成功后，会调用`option()`方法中设定的接口地址，取得顶层数据，并实例化`select2`前端组件；
2. 监听`select2`前端组件的`change`事件，在选择项发生变动时通过向接口传入已选择项的值来获取下级数据，并生成新的DOM；
3. 监听`select2`前端组件的`select2:unselected`事件，在取消选择某一项的时候，修改页面DOM并处理一些其他的业务逻辑；

安装
--

[](#安装)

#### composer安装

[](#composer安装)

```
composer require abbotton/dcat-infinity-select
```

#### 应用商店安装

[](#应用商店安装)

```
等待Dcat Admin 上商店

```

使用
--

[](#使用)

表单：

```
// app/Admin/Controllers/ProductController.php

protected function form()
{
    return Form::make(new Product(), function (Form $form) {
        /**
         * 重要的事情说三遍！
         * 必须调用`listName()`方法设定有序链表的name值，否则报错！
         * 必须调用`listName()`方法设定有序链表的name值，否则报错！
         * 必须调用`listName()`方法设定有序链表的name值，否则报错！
         */
        // 创建时.
        $form->infinitySelect('category', '无限联动')->listName('category_list')->options(url('foo/bar'));
        // 编辑时.
        $form->infinitySelect('category', '无限联动')->listName('category_list')->options(url('foo/bar'))->list('1,2,6')->value(6);
        // 获取提交的数据.
        $form->saving(function (Form $form) {
            // 获取最终选择的一项
            $category = $form->input('category');
            // 获取整个有序链表
            $categoryList = $form->input('category_list');
        });
    });
}
```

路由：

```
Route::get('foo/bar', [\App\Http\Controllers\SomeController::class, 'someMethod']);
```

接口：

```
public function someMethod(Request $request)
{
    $key = $request->get('q', 0);

    return Category::where('pid', $key)->get(['id', DB::raw('name as text')]);
}
```

接口返回值必须满足如下数据结构:

```
[
    {
        "id": 9,
        "text": "xxx"
    },
    {
        "id": 21,
        "text": "xxx"
    }
]
```

License
-------

[](#license)

MIT

###  Health Score

29

—

LowBetter than 60% of packages

Maintenance46

Moderate activity, may be stable

Popularity3

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity51

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~0 days

Total

2

Last Release

435d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/ce5513b38e480017fb8fe64ec43e4feb46cc2a804ae279046bf1b408ddea235f?d=identicon)[imwutao](/maintainers/imwutao)

---

Top Contributors

[![mywutao](https://avatars.githubusercontent.com/u/113573993?v=4)](https://github.com/mywutao "mywutao (2 commits)")

---

Tags

extensiondcat admin

### Embed Badge

![Health badge](/badges/imwutao-dcat-infinity-select/health.svg)

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