“config” => Array (
“type” => “select”,
“itemsProcFunc” => “EXT:crawler/class.tx_crawler_tcaFunc.php:tx_crawler_tcaFunc->getProcessingInstructions”,
“eval” => “required”,
“renderMode” => “checkbox”,
“maxitems” => 100
)

效果如下：

“config” => Array (
“type” => “select”,
“foreign_table” => “pages”,
“eval” => “required”,
“renderMode” => “singlebox”,
“maxitems” => 100
)

效果如下：