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我想通過指定名稱來檢索mongodb集合中的記錄的id。如何通過在java中提供名稱來檢索mongodb中的id
這就是我通過它嘗試回來的整個事情,但我只是想要的ID。任何幫助?
DBCollection parameterTable = db.getCollection("configurationTable");
BasicDBObject searchQuery = new BasicDBObject();
searchQuery.put("name", "data1");
DBCursor cursor = parameterTable.find(searchQuery);
while (cursor.hasNext()) {
System.out.println(cursor.next());
}
而這正是它返回:
{ "_id" : { "$oid" : "5423d3ceccf213e6d265fc9c"} , "name" : "data1" , "created" : { "$date" : "2014-09-25T08:35:26.361Z"} , "timestamp" : { "$date" : "2014-09-25T08:35:26.361Z"}}