public function __construct(...$params) {
    parent::__construct(...$params);
    
 
    $field = \Phpcmf\Service::M('field')->get_mytable_field('abcd', 0);
    
    $this->_init([
        'table' => 'abcd',
        'field' => $field,
    ]);
    // 写入模板
    \Phpcmf\Service::V()->assign([
        'menu' => \Phpcmf\Service::M('auth')->_admin_menu([
            '自定义页面' => [APP_DIR.'/'.\Phpcmf\Service::L('Router')->class.'/index', 'fa fa-safari'],
            '添加' => [APP_DIR.'/'.\Phpcmf\Service::L('Router')->class.'/add', 'fa fa-plus'],
            '修改' => ['hide:'.APP_DIR.'/'.\Phpcmf\Service::L('Router')->class.'/edit', 'fa fa-edit'],
            '自定义字段' => ['url:'.\Phpcmf\Service::L('Router')->url('field/index', ['rname'=>'table-abcd', 'rid'=>0]), 'fa fa-code'],
          
        ]),
    ]);
}

表记录a 调用 1
表记录b 调用 2，3
表记录c 调用 1，3

public function edit() {
    
    $field_all = $this->field;// 可用字段
    $this->field = []; // 归零
    $id = intval(\Phpcmf\Service::L('Input')->get('id'));
    if ($id == 1) {
        //表记录1 调用 字段
        //重组字段
        $this->field['ziduanxxx'] = $field_all['ziduanxxx'];
        // 这样写 表示id=1的记录 只显示 ziduanxxx字段了
    } elseif ($id == 2) {
        // 同理
    } elseif ($id == 3) {
        // 同理
    } elseif ($id == 4) {
        // 同理
    }
    
    
    list($tpl) = $this->_Post($id);
    \Phpcmf\Service::V()->display($tpl);
}

$id = intval(\Phpcmf\Service::L('Input')->get('id'));

$field_all = $this->field;// 可用字段
$this->field = []; // 归零
foreach ($field_all as $f) {
    if(in_array($id,$f['setting']['diy']['cat_field_catids'])){
        $this->field[$f['fieldname']] = $field_all[$f['fieldname']];
    }
}