* 完整案例 ~~~ $logic = json_decode($logic,1); $step = []; foreach ($logic as $value) { extract($value); $where = []; $where[] = 'id="'.$id.'"'; $step[] = $D_P->del(sbh_table,$where,['echo'=>1]); } empty($step) ? $U_P->back($json, '暂无批处理动作['.__LINE__.']') : NULL; $back = $D_P->shiwu($step); empty($back['succeed']) ? $U_P->back($json, '数据处理失败['.__LINE__.']') : NULL; ~~~