public function edit($id)
 {
     if (IS_POST) {
         $this->Admin->save(array('id' => I('post.id'), 'email' => I('post.email'), 'phone' => I('post.phone'), 'group_name' => implode(',', I('post.group_name'))));
         $this->redirect('all');
         exit;
     }
     $admin = $this->Admin->getById($id);
     $this->assign('adminGroup', explode(',', $admin['group_name']));
     $this->assign('role', $admin);
     $this->assign('accessGroup', $this->_getAccessGroup());
     $this->display('add');
 }
 public function updatePassword()
 {
     $admin = $this->Admin->getById(session('admin.id'));
     if (IS_POST) {
         if (md5(I('post.old_password')) !== $admin['password']) {
             //                echo error('原密码错误');die;
             $this->error('原密码错误', '', 1);
         }
         if (empty(I('post.password'))) {
             $this->error('密码不能为空');
         }
         if (I('post.password') !== I('post.re_password')) {
             $this->error('两次密码不一致');
         }
         $this->Admin->save(array('id' => session('admin.id'), 'password' => md5(I('post.password'))));
         $this->success('修改密码成功', U('Admin/Admin/logout'));
         exit;
     }
     $this->assign('admin', $admin);
     $this->display('updatePassword');
 }