ThinkPHP中的增加数据的方法

$M_pimage = D('ProductImage');

$dataimage['pi_name'] =$thm_name[$k]?$thm_name[$k]:$_POST['p_name'];

$dataimage['p_id'] = $do;

$dataimage['pi_sort'] = (int)$thm_sort[$k];

$M_pimage->add($dataimage);