MongoDB快速入门笔记(八)之MongoDB的java驱动操作代码讲解

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
import org.bson.Document;
import com.mongodb.MongoClient;
import com.mongodb.MongoCredential;
import com.mongodb.ServerAddress;
import com.mongodb.client.FindIterable;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoCursor;
import com.mongodb.client.MongoDatabase;
public class MongoZyh {
public static void main(String[] args) {
try {
// 连接到MongoDB服务,ServerAddress()两个参数分别为 服务器地址 和 端口
ServerAddress serverAddress = new ServerAddress("localhost", 27017);
List<ServerAddress> addrs = new ArrayList<ServerAddress>();
addrs.add(serverAddress);
// 三个参数分别为 用户名 数据库名称 密码
MongoCredential credential = MongoCredential
.createScramSha1Credential("zyh", "admin",
"zyh".toCharArray());
List<MongoCredential> credentials = new ArrayList<MongoCredential>();
credentials.add(credential);
// 通过连接认证获取MongoDB连接
MongoClient mongoClient = new MongoClient(addrs, credentials);
// 连接到数据库
MongoDatabase mongoDatabase = mongoClient.getDatabase("zyhdb");
// 新建集合，执行后会在数据库里新建一个空的集合
// mongoDatabase.createCollection("stude