怎么通过Feature来获得body

牧马人

如我通过BlockFeatureBuildr创建了一个Block特征，怎么通过这个Feature来获得Body呢？
$ G( u( g/ ~8 P" H8 p/ v, w9 m Features::Feature *blockFeature;
  Z% x  B8 }0 V  P8 D  blockFeature=BlockFeatureBuilder1->CommitFeature();

mildcat

int UF_MODL_ask_feat_body
(
" w! p9 E8 n. `- L# |
tag_t feature_obj_id,
0 R+ u' d( Y/ h2 o; l, ntag_t * body_obj_id

% t$ V9 S% g# M( Z- e)