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            java操作mongodb基礎

            時間:2025-10-23 05:16:10 java語言

            java操作mongodb基礎

              復制代碼 代碼如下:

              package com.infomorrow.webroot;

              import java.util.List;

              import com.mongodb.BasicDBObject;

              import com.mongodb.DB;

              import com.mongodb.DBCollection;

              import com.mongodb.DBCursor;

              import com.mongodb.DBObject;

              import com.mongodb.MongoClient;

              public class test_mongodb {

              public static void main(String args[]) throws Exception {

              MongoClient mongoClient = new MongoClient( "127.0.0.1" , 27017 );/pic/p>

              DB get_db_credit = mongoClient.getDB("credit_2");/pic/p>

              DBCollection collection = get_db_credit.getCollection("report");/pic/p>

              BasicDBObject filter_dbobject = new BasicDBObject();

              /pic/p>

              /pic/p>

              filter_dbobject.put("user_id", "10065716153075");

              /pic/p>

              DBCursor cursor = collection.find(filter_dbobject).limit(10).sort(new BasicDBObject("create_time",-1));

              /pic/p>

              Listlist = cursor.toArray();

              System.out.println(list.size());/pic/p>

              System.err.println(cursor.count());/pic/p>

              /pic/p>

              while(cursor.hasNext()) {

              System.out.println(cursor.next());

              }

              }

              }

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