有没有办法渲染一个BasicDBObject into Map<String,String>使用 MongoDB/Java？
public Map<String,String> getObjectByKeyValue(String dbname, String collname, String key, String value) {
Map<String,String> result = new HashMap<String, String>();
DB db = mongo.getDB(dbname);
DBCollection coll = db.getCollection(collname);
BasicDBObject query = new BasicDBObject();
query.put(key, value);
DBCursor cur = coll.find(query);
while (cur.hasNext()){
DBObject obj = (DBObject) cur.next(); // Correct, or use BasicDBObject?
// How to get each pair stored in the object be pushed into a Map<String,String> ?
}
return result;
}
您可以致电toMap()BasicBSONObject 上的函数返回LinkedHashMap<String,Object>
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