148 lines
3.4 KiB
Markdown
148 lines
3.4 KiB
Markdown
# 自定义头部导航条
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从版本`1.5.6`开始，可以在顶部导航条上添加html元素了, 打开`app/Admin/bootstrap.php`：
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```php
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use Encore\Admin\Facades\Admin;
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Admin::navbar(function (\Encore\Admin\Widgets\Navbar $navbar) {
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$navbar->left('html...');
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$navbar->right('html...');
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});
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```
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`left`和`right`方法分别用来在头部的左右两边添加内容，方法参数可以是任何可以渲染的对象(实现了`Htmlable`、`Renderable`接口或者包含`__toString()`方法的对象)或字符串
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## 左侧添加示例
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举个例子，比如在左边添加一个搜索条，先创建一个blade视图`resources/views/search-bar.blade.php`：
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```php
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<style>
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.search-form {
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width: 250px;
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margin: 10px 0 0 20px;
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border-radius: 3px;
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float: left;
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}
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.search-form input[type="text"] {
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color: #666;
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border: 0;
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}
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.search-form .btn {
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color: #999;
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background-color: #fff;
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border: 0;
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}
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</style>
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<form action="/admin/posts" method="get" class="search-form" pjax-container>
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<div class="input-group input-group-sm ">
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<input type="text" name="title" class="form-control" placeholder="Search...">
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<span class="input-group-btn">
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<button type="submit" name="search" id="search-btn" class="btn btn-flat"><i class="fa fa-search"></i></button>
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</span>
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</div>
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</form>
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```
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然后加入头部导航条：
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```php
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$navbar->left(view('search-bar'));
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```
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## 右侧添加示例
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导航右侧只能添加`<li>`标签, 比如要添加一些提示图标，新建渲染对象`app/Admin/Extensions/Nav/Links.php`
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```php
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<?php
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namespace App\Admin\Extensions\Nav;
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class Links
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{
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public function __toString()
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{
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return <<<HTML
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<li>
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<a href="#">
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<i class="fa fa-envelope-o"></i>
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<span class="label label-success">4</span>
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</a>
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</li>
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<li>
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<a href="#">
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<i class="fa fa-bell-o"></i>
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<span class="label label-warning">7</span>
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</a>
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</li>
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<li>
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<a href="#">
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<i class="fa fa-flag-o"></i>
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<span class="label label-danger">9</span>
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</a>
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</li>
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HTML;
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}
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}
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```
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然后加入头部导航条：
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```php
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$navbar->right(new \App\Admin\Extensions\Nav\Links());
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```
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或者用下面的html加入下拉菜单：
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```html
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<li class="dropdown notifications-menu">
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<a href="#" class="dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
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<i class="fa fa-bell-o"></i>
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<span class="label label-warning">10</span>
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</a>
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<ul class="dropdown-menu">
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<li class="header">You have 10 notifications</li>
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<li>
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<!-- inner menu: contains the actual data -->
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<ul class="menu">
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<li>
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<a href="#">
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<i class="fa fa-users text-aqua"></i> 5 new members joined today
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</a>
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</li>
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<li>
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<a href="#">
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<i class="fa fa-warning text-yellow"></i> Very long description here that may not fit into the
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page and may cause design problems
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</a>
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</li>
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<li>
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<a href="#">
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<i class="fa fa-users text-red"></i> 5 new members joined
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</a>
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</li>
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<li>
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<a href="#">
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<i class="fa fa-shopping-cart text-green"></i> 25 sales made
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</a>
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</li>
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<li>
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<a href="#">
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<i class="fa fa-user text-red"></i> You changed your username
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</a>
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</li>
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</ul>
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</li>
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<li class="footer"><a href="#">View all</a></li>
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</ul>
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</li>
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```
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更多的组件可以参考[Bootstrap](https://getbootstrap.com/) |