List转化为Map
List<JfAuction> jfAuctionListValue=new ArrayList<JfAuction>();
Map<Integer, JfAuction> jfAuctionMap = new HashMap<Integer, JfAuction>();
for (Integer key : jfAuctionMap.keySet()) {
jfAuctionListValue.add(jfAuctionMap.get(key));
}