http://www.cnblogs.com/xbq8080/p/6669492.html
一、下载jar包
 http://central.maven.org/maven2/org/mongodb/mongo-java-driver/
二、代码实现
package com.xbq.mongodb;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.bson.types.ObjectId;
import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;
import com.mongodb.Mongo;
import com.mongodb.util.JSON;

/**

  • @ClassName: MongoDBTest
  • @Description: TODO MongoDB 增删改查 操作,包含批量操作
  • @author xbq
  • @version 1.0
  • @date 2017-4-5 上午11:50:06
    */
    public class MongoDBTest {

    private static final String HOST = "192.168.242.129";
    private static final int PORT = 27017;
    private static final String DB_NAME = "testDB";
    private static Mongo mongo;
    private static DB db;

    static {
    // 连接到MongoDB
    mongo = new Mongo(HOST, PORT);
    // 打开数据库 testDB
    db = mongo.getDB(DB_NAME);
    }

    public static void main(String[] args) {
    // 获取集合 xbqTable,若该集合不存在,mongoDB将自动创建该集合
    DBCollection dbCollection = db.getCollection("testTable");

    // 查询该数据库所有的集合名
    for(String name : mongo.getDatabaseNames()){
        System.out.println(name);
    }

// addOne(dbCollection);
// addList(dbCollection);
// addByJson(dbCollection);

// deleteOne(dbCollection);
// deleteByIn(dbCollection);
// deleteAll(dbCollection);

// updateOne(dbCollection);
// updateMulti(dbCollection);

// queryOne(dbCollection);
// queryPage(dbCollection);
// queryRange(dbCollection);
queryList(dbCollection);

}

// ====================================查询开始==============================================
/**
 * @Title: queryOne
 * @Description: TODO 查询 name为 张三的 一条记录
 * @param dbCollection
 * @return: void
 */
public static void queryOne(DBCollection dbCollection){
    DBObject documents = new BasicDBObject("name","张三");
    DBObject result = dbCollection.findOne(documents);
    System.out.println(result);
}

/**
 * @Title: queryPage
 * @Description: TODO 分页查询  , 查询 跳过前2条 后的 3条 数据
 * @param dbCollection
 * @return: void
 */
public static void queryPage(DBCollection dbCollection){
    DBCursor cursor = dbCollection.find().skip(2).limit(3);
    while (cursor.hasNext()) {
        System.out.println(cursor.next());
    }
}

/**
 * @Title: queryRange
 * @Description: TODO 范围查询,查询 第3条 到 第5条 之间的记录
 * @param dbCollection
 * @return: void
 */
public static void queryRange(DBCollection dbCollection) {
    DBObject range = new BasicDBObject();
    range.put("$gte", 50);
    range.put("$lte", 52);

    DBObject dbObject = new BasicDBObject();
    dbObject.put("age", range);
    DBCursor cursor = dbCollection.find(dbObject);
    while (cursor.hasNext()) {
        System.out.println(cursor.next());
    }
}

/**'
 * @Title: queryList
 * @Description: TODO 查询出全部的 记录
 * @param dbCollection
 * @return: void
 */
public static void queryList(DBCollection dbCollection) {
    DBCursor cursor = dbCollection.find();
    DBObject dbObject = null;
    while(cursor.hasNext()){
        dbObject = cursor.next();
        System.out.println(dbObject);
    }
}

// ====================================增加开始==============================================
/**
 * @Title: addOne
 * @Description: TODO 新增 一条记录
 * @param dbCollection
 * @return: void
 */
public static void addOne(DBCollection dbCollection){
    DBObject documents = new BasicDBObject("name","张三").append("age", 45).append("sex", "男").append("address", 
            new BasicDBObject("postCode", 100000).append("street", "深南大道888号").append("city", "深圳"));
    dbCollection.insert(documents);
}

/**
 * @Title: addList 
 * @Description: TODO 批量新增 记录    , 增加的记录 中 可以使用各种数据类型
 * @param dbCollection
 * @return: void
 */
public static void addList(DBCollection dbCollection){
    List<DBObject> listdbo= new ArrayList<DBObject>();
    DBObject dbObject = new BasicDBObject();
    dbObject.put("name", "老王");
    // 可以直接保存List类型
    List<String> list = new ArrayList<String>();
    list.add("非隔壁老王");
    dbObject.put("remark", list);
    listdbo.add(dbObject);

    dbObject = new BasicDBObject();
    // 可以直接保存map
    Map<String,List<String>> map = new HashMap<String,List<String>>();
    List<String> hobbys = new ArrayList<String>();
    hobbys.add("看花");
    hobbys.add("采花");
    map.put("爱好", hobbys);
    dbObject.put("hobby", map);
    listdbo.add(dbObject);

    dbObject = new BasicDBObject();
    dbObject.put("name", "老张");
    dbObject.put("age", 52);
    dbObject.put("job", "看守老王");
    dbObject.put("remark", new BasicDBObject("address", "广东省深圳市").append("street", "深南大道888号"));
    listdbo.add(dbObject);

    dbCollection.insert(listdbo);
}

/**
 * @Title: addByJson
 * @Description: TODO json转对象后 ,执行新增
 * @param dbCollection
 * @return: void
 */
public static void addByJson(DBCollection dbCollection){
    String json = "{ \"name\" : \"王五\" , \"age\" : 66 , \"job\" : \"看守老王\" , \"remark\" : { \"address\" : \"广东省深圳市\" , \"street\" : \"深南大道888号\"}}";
    DBObject dbObject = (DBObject) JSON.parse(json);
    dbCollection.insert(dbObject);
}

// ====================================修改开始==============================================
/**
 * @Title: update
 * @Description: TODO 修改指定记录
 * @param dbCollection
 * @return: void
 */
public static void updateOne(DBCollection dbCollection) {
    // 先根据id查询将 这条 记录查询出来
    DBObject qryResult = dbCollection.findOne(new ObjectId("58e4a11c6c166304f0635958"));
    // 修改指定的值
    qryResult.put("age", 55);

    DBObject olddbObject = new BasicDBObject();
    olddbObject.put("_id", new ObjectId("58e4a11c6c166304f0635958"));
    dbCollection.update(olddbObject, qryResult);
}

/**
 * @Title: updateMulti
 * @Description: TODO 修改 多条记录
 * @param dbCollection
 * @return: void
 */
public static void updateMulti(DBCollection dbCollection) {
    DBObject newdbObject = new BasicDBObject();
    newdbObject.put("name", "张三");
    newdbObject.put("address", "广东深圳");
    newdbObject.put("remark", "张三是一个NB的Coder");

    DBObject olddbObject = new BasicDBObject();
    olddbObject.put("name", "张三");
    // 需要加上这个
    DBObject upsertValue = new BasicDBObject("$set", newdbObject);  
    // 后面的两个参数:1.若所更新的数据没有,则插入 ; 2、同时更新多个符合条件的文档(collection) 
    dbCollection.update(olddbObject, upsertValue, true, true);
}

// ====================================删除开始==============================================
/**
 * @Title: deleteFirst
 * @Description: TODO 删除第一个
 * @param 
 * @return: void
 */
public static void deleteFirst(DBCollection dbCollection){
    DBObject dbObject = dbCollection.findOne();
    dbCollection.remove(dbObject);
}

/**
 * @Title: deleteOne
 * @Description: TODO 删除指定的一条记录
 * @param dbCollection
 * @return: void
 */
public static void deleteOne(DBCollection dbCollection){
    DBObject dbObject = new BasicDBObject();
    dbObject.put("_id", new ObjectId("58e49c2d6c166309e0d50484"));
    dbCollection.remove(dbObject);
}

/**
 * @Title: deleteByIn
 * @Description: TODO 删除多条记录      例如:select * from tb where name in('12','34')
 * @param dbCollection
 * @return: void
 */
public static void deleteByIn(DBCollection dbCollection) {
    List<String> list = new ArrayList<String>();
    list.add("老张");
    list.add("老王");
    list.add("张三");
    DBObject dbObject = new BasicDBObject("$in", list);

    DBObject delObject = new BasicDBObject();
    delObject.put("name", dbObject);
    dbCollection.remove(delObject);
}

/**
 * @Title: deleteAll
 * @Description: TODO 删除全部的记录
 * @param dbCollection
 * @return: void
 */
public static void deleteAll(DBCollection dbCollection){
    DBCursor cursor = dbCollection.find();
    while(cursor.hasNext()){
        dbCollection.remove(cursor.next());
    }
}

}