DB db = mongo.getDB("sample");
DBCollection table = db.getCollection("samplecollection");
DBCursor cursor2 = table.find();
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给出的结果为:{“ _id”:{“ $ oid”:“ 58bfbcff1d30d8a8c1194328”},“ ID”:1,“ NAME”:“ dgsdg”}
如何获取没有objectid的文档?