laravel添加角色和模糊搜索功能的实现代码

// 角色添加页面显示
Route::get('role/add', 'RoleController@addindex') -> name('admin.role.add');

public function addindex () {
        return view('admin.role.add');
    }

!DOCTYPE HTML>
html>
head>
meta charset="utf-8">
meta name="renderer" content="webkit|ie-comp|ie-stand">
meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no" />
meta http-equiv="Cache-Control" content="no-siteapp" />
link rel="Bookmark" href="/favicon.ico" rel="external nofollow"  rel="external nofollow"  >
link rel="Shortcut Icon" href="/favicon.ico" rel="external nofollow"  rel="external nofollow"  />
link rel="stylesheet" type="text/css" href="/admin/static/h-ui/css/H-ui.min.css" rel="external nofollow"  />
link rel="stylesheet" type="text/css" href="/admin/static/h-ui.admin/css/H-ui.admin.css" rel="external nofollow"  />
link rel="stylesheet" type="text/css" href="/admin/lib/Hui-iconfont/1.0.8/iconfont.css" rel="external nofollow"  />
link rel="stylesheet" type="text/css" href="/admin/static/h-ui.admin/skin/default/skin.css" rel="external nofollow"  id="skin" />
link rel="stylesheet" type="text/css" href="/admin/static/h-ui.admin/css/style.css" rel="external nofollow"  />

title>添加角色/title>
/head>
body>
article class="page-container">
	!-- 表单验证 -->
	@include('admin.common.validate')
	form action="{{route('admin.role.add')}}" method="post" class="form form-horizontal" id="form-member-add">
	@csrf
		div class="row cl">
			label class="form-label col-xs-4 col-sm-3">span class="c-red">*/span>角色名：/label>
			div class="formControls col-xs-8 col-sm-9">
				input type="text" class="input-text" placeholder="角色名" id="name" name="name">
			/div>
		/div>
		div class="row cl">
			div class="col-xs-8 col-sm-9 col-xs-offset-4 col-sm-offset-3">
				input class="btn btn-primary radius" type="submit" value="nbsp;nbsp;添加nbsp;nbsp;">
			/div>
		/div>
	/form>
/article>

!--_footer 作为公共模版分离出去-->
script type="text/javascript" src="/admin/lib/jquery/1.9.1/jquery.min.js">/script> 
script type="text/javascript" src="/admin/lib/layer/2.4/layer.js">/script>
script type="text/javascript" src="/admin/static/h-ui/js/H-ui.min.js">/script> 
script type="text/javascript" src="/admin/static/h-ui.admin/js/H-ui.admin.js">/script> !--/_footer 作为公共模版分离出去-->

!--请在下方写此页面业务相关的脚本--> 
script type="text/javascript" src="/admin/lib/My97DatePicker/4.8/WdatePicker.js">/script>
script type="text/javascript" src="/admin/lib/jquery.validation/1.14.0/jquery.validate.js">/script> 
script type="text/javascript" src="/admin/lib/jquery.validation/1.14.0/validate-methods.js">/script> 
script type="text/javascript" src="/admin/lib/jquery.validation/1.14.0/messages_zh.js">/script>
/body>
/html>

 public function add (Request $request) {
        $data = $request -> except(['_token']);
        Role::create($data);
        // 跳转到列表页
        return redirect(route('admin.role.index')) -> with('success', '添加角色成功');

    }

 public function index (Request $request) {

        // 获取搜索框 分页
        $kw = $request -> get('kw');
        $data = Role::when($kw, function ($query) use($kw) {
            $query->where('name', 'like', "%{$kw}%");
        }) -> paginate($this->pagesize);
        // dump($data);
        return view('admin.role.index', compact('data'));
    }