java操作mongodb基礎(chǔ)
復(fù)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));
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List
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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