本文實(shí)例講述了Laravel框架實(shí)現(xiàn)的rbac權(quán)限管理操作。分享給大家供大家參考，具體如下：
介紹：根據(jù)不同的權(quán)限，在菜單欄顯示不同的功能，只對(duì)菜單進(jìn)行了限制，若對(duì)路由也進(jìn)行限制，請(qǐng)自行完善
1、建表（用戶(hù)表、角色表、權(quán)限表、用戶(hù)角色表、角色權(quán)限表）
CREATE TABLE IF NOT EXISTS mr_role
(
id int(11) PRIMARY KEY AUTO_INCREMENT COMMENT '自增id',
name varchar(30) NOT NULL COMMENT '角色名'
)ENGINE=innodb DEFAULT CHARSET=utf8 COMMENT='角色表';
CREATE TABLE IF NOT EXISTS mr_privilege
(
id int(11) PRIMARY KEY AUTO_INCREMENT COMMENT '自增id',
name varchar(30) NOT NULL COMMENT '權(quán)限名',
route varchar(50) NOT NULL COMMENT '權(quán)限所有的路由',
description varchar(100) NOT NULL COMMENT '權(quán)限的描述'
)ENGINE=innodb DEFAULT CHARSET=utf8 COMMENT='權(quán)限表';
CREATE TABLE IF NOT EXISTS mr_user_role
(
id int(11) PRIMARY KEY AUTO_INCREMENT COMMENT '自增id',
user_id int(11) NOT NULL COMMENT '用戶(hù)id',
role_id int(11) NOT NULL COMMENT '角色id'
)ENGINE=innodb DEFAULT CHARSET=utf8 COMMENT='用戶(hù)角色表';
CREATE TABLE IF NOT EXISTS mr_role_privilege
(
id int(11) PRIMARY KEY AUTO_INCREMENT COMMENT '自增id',
role_id int(11) NOT NULL COMMENT '角色id',
privilege_id int(11) NOT NULL COMMENT '權(quán)限id'
)ENGINE=innodb DEFAULT CHARSET=utf8 COMMENT='角色權(quán)限表';
2、在用戶(hù)模型和角色模型中實(shí)現(xiàn)多對(duì)多
class User extends Model
{
protected $primaryKey = 'id';
protected $table = 'user';
public $timestamps = false;
public $guarded = [];
public function roles()
{
return $this->belongsToMany('App\Model\Role', 'user_role', 'user_id', 'role_id')->withPivot('user_id', 'role_id');
}
}
class Role extends Model
{
protected $table = 'role';
protected $primaryKey = 'id';
public $timestamps = false;
public $guarded = [];
public function privileges()
{
return $this->belongsToMany('App\Model\Privilege', 'role_privilege', 'role_id', 'privilege_id')->withPivot(['role_id', 'privilege_id']);
}
}
3、將菜單視為公共區(qū)域，在app\Providers\AppServiceProvider.php里寫(xiě)
public function boot()
{
\View::composer('layout.slide', function($view) {
$roles_id = User::find(session('user')['id'])->roles->map(function ($role) {
return $role->id;
}); // 使用map，最終得到的結(jié)果$roles_id = [1, 2, ...]
$privileges = [];
foreach ($roles_id as $role) {
$privileges = array_merge($privileges, Role::find($role)->privileges->map(function ($privilege) {
return [$privilege->name, $privilege->route];
})->toArray());
} // 得到的結(jié)果，$prpvileges = [['index/..', '列表']， ['', '']]
$view->with('privileges', $privileges);
});
}
4、菜單的實(shí)現(xiàn)（可以直接遍歷一個(gè)div，我這里因?yàn)橛胁煌臉邮剑阌昧伺袛啵?/p>
@foreach ($privileges as $privilege)
@if ($privilege[1] == 'key/index' $privilege[0] == '鍵名列表')
div class="slide__left__key" style="margin-top: 10px;">a href="{{ url('key/index') }}" rel="external nofollow" >span class="glyphicon glyphicon-th">/span> 鍵名列表/a>/div>
@endif
@if ($privilege[1] == 'key/create' $privilege[0] == '添加鍵名')
div class="slide__left__key">a href="{{ url('key/create') }}" rel="external nofollow" >span class="glyphicon glyphicon-plus">/span> 添加鍵名/a>/div>
@endif
@if ($privilege[1] == 'project/index' $privilege[0] == '項(xiàng)目列表')
div class="slide__left__key" style="margin-top: 20px;">a href="{{ url('project/index') }}" rel="external nofollow" >span class="glyphicon glyphicon-th-list">/span> 項(xiàng)目列表/a>/div>
@endif
@if ($privilege[1] == 'project/create' $privilege[0] == '添加項(xiàng)目')
div class="slide__left__key">a href="{{ url('project/create') }}" rel="external nofollow" >span class="glyphicon glyphicon-edit">/span> 添加項(xiàng)目/a>/div>
@endif
@if ($privilege[1] == 'user/index' $privilege[0] == '用戶(hù)列表')
div class="slide__left__key" style="margin-top: 20px;">a href="{{ url('user/index') }}" rel="external nofollow" >span class="glyphicon glyphicon-th-large">/span> 用戶(hù)列表/a>/div>
@endif
@if ($privilege[1] == 'user/create' $privilege[0] == '添加用戶(hù)')
div class="slide__left__key">a href="{{ url('user/create') }}" rel="external nofollow" >span class="glyphicon glyphicon-plus-sign">/span> 添加用戶(hù)/a>/div>
@endif
@endforeach
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