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public String execute()throws Exception{
Map request = (Map)ActionContext.getContext().get("request");
List<Booktitle> eduBook = bookser.findByCategoryId(1);
request.put("eduBook", eduBook);
List<Promotion> promlist = new LinkedList<Promotion>();
for(int i=0;i<eduBook.size();i++){
Promotion p = promser.findById(eduBook.get(i).getPromotionId());
promlist.add(p);
}
request.put("promlist", promlist);
return SUCCESS;
}
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