JAVA-查看MongoDB中的資料（包含Map集合）

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package com.xinsight.server;import java.net.UnknownHostException;import java.util.HashMap;import com.mongodb.BasicDBObject;import com.mongodb.DB;import com.mongodb.DBCollection;import com.mongodb.DBCursor;import com.mongodb.Mongo;/** *尋找Mongodb中某一列包含Map集合的所有資料  */public class FindMongodbMap {    private static Mongo mg ;    private static DB db;    private static int num = 0;    public static void main(String args[]){        try {            mg = new Mongo("localhost",27017);            db = mg.getDB("admin");            boolean auth = db.authenticate("aa","aa".toCharArray() );            if(!auth){                System.err.println("連結Mongodb失敗");            }else{                db = mg.getDB("zq1");                DBCollection collection = db.getCollection("zq1");                DBCursor u = collection.find();                while(u.hasNext()){                    num++;                    BasicDBObject basi = (BasicDBObject)u.next();                    HashMap map = (HashMap)basi.get("m");                    if(num % 100 == 0){                        System.err.println("--------------------------------------------------------------------");                        Thread.sleep(3000);                    }                    System.out.println(basi.get("v1") + "    " + basi.get("v2") + "    " +basi.get("v3") + "    " +basi.get("v4") + "    " + map.get("time") + "    " + map.get("sex") + "    " + map.get("age") + "    " + map.get("name"));                }                System.out.println("共找到:" + num + "條資料");            }        } catch (UnknownHostException e) {            e.printStackTrace();        } catch (InterruptedException e) {            e.printStackTrace();        }    }}

 

JAVA-查看MongoDB中的資料（包含Map集合）