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？
; Z" I! D- x8 W- G" B Features::Feature *blockFeature;
  blockFeature=BlockFeatureBuilder1->CommitFeature();
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mildcat

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7 g: i; w4 J- {* G( B8 iint UF_MODL_ask_feat_body
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7 _( i( c9 C  E$ _tag_t feature_obj_id,
  E6 g4 [3 W) u: Itag_t * body_obj_id

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