【MongoDB(3):MongoTemplate之Query】教程文章相关的互联网学习教程文章

mongodb使用mongo报错: Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed: SocketException: Error connecting to 127.0.0.1:27017 :: caused by ::【图】

在windows下命令台输入mongo报一下错误:D:\ProgramFiles\BianCheng\mongodb-win32-x86_64-2008plus-ssl-4.0.4>mongoMongoDB shell version v4.0.4connecting to: mongodb://127.0.0.1:270172018-11-19T17:51:37.147+0800 E QUERY [js] Error: couldn‘t connect to server 127.0.0.1:27017, connection attempt failed: SocketException: Error connecting to 127.0.0.1:27017 :: caused by :: ????????????????????????? ??? ...

MongoDBTemplate多条件查询的问题【代码】

Criteria();criteria.where("shopId").is(request.getShopId()).and("tradeDate").gte(request.getBeginTradeDate()).lte(request.getEndTradeDate());List<ReportInfo> reportInfoList = reportMongoTemplate.find(new Query(criteria), ReportInfo.class,"rept_wallet_refundAndPay"); 原因:经过查看文档和源代码才发现,Criteria的where方法是一个静态工厂方法,它会返回一个实例化的criteria对象,所以就不需要自己new 一个cr...

MongoDB: exception in initAndListen: 20 Attempted to create a lock file on a read-only directory: /data/db, terminating

or this, which will make the directory owned by you:sudo chown -R $USER /data/db MongoDB: exception in initAndListen: 20 Attempted to create a lock file on a read-only directory: /data/db, terminating标签:data dir details .net user net gpo listen temp 本文系统来源:http://www.cnblogs.com/hizf/p/8087724.html

org.springframework.data.mongodb.core.MongoTemplate]: Constructor threw exception; nested exception is java.lang.NoSuchMethodError: org.springframework.core.convert.support.ConversionServiceFactory.cr【代码】

spring-data-mongo 和spring core包冲突。解决办法: <dependency> <groupId>org.springframework.data</groupId> <artifactId>spring-data-mongodb</artifactId> <version>1.8.2.RELEASE</version></dependency>换成 spring-data-mongodb1.8的即可。org.springframework.data.mongodb.core.MongoTemplate]: Constructor threw exception; nested exception is java.lang.NoSuchMethodError: org.springframework.core.con...

mongodb使用mongo报错: Error: couldn&#39;t connect to server 127.0.0.1:27017, connection attempt failed: SocketException: Error connecting to 127.0.0.1:27017 :: caused by ::【图】

在windows下命令台输入mongo报一下错误: D:\ProgramFiles\BianCheng\mongodb-win32-x86_64-2008plus-ssl-4.0.4>mongoMongoDB shell version v4.0.4connecting to: mongodb://127.0.0.1:270172018-11-19T17:51:37.147+0800 E QUERY [js] Error: couldn‘t connect to server 127.0.0.1:27017, connection attempt failed: SocketException: Error connecting to 127.0.0.1:27017 :: caused by :: ????????????????????????? ???...

记录一下Junit测试MongoDB,获取MongoTemplate【代码】

class HelperTest {MongoTemplate template;@Beforepublic void init() {MongoDbFactory facotry = new SimpleMongoDbFactory(new MongoClient("127.1.1.1", 27017), "test");template = new MongoTemplate(facotry);}@Testpublic void test() {AggregationProxyResults<Document> results = MongodbQueryHelper.queryHotel("test", 1, template, Document.class, LocalDateTime.of(2018, 04, 11, 00, 00), LocalDateTime.of(2018,...

Could not instantiate bean class [org.springframework.data.mongodb.core.MongoTemplate]

org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘repositoryDaoExtra‘: Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘mongoTemplate‘ defined in class path resource [applicationContext.xml]: Instantiation of bean failed; nested exception is org.springfram...

一个基于mongoDB的 MongoTemplate 的基本操作类

com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject; import com.mongodb.client.ListIndexesIterable; import com.mongodb.client.model.IndexOptions; import com.mongodb.client.model.Indexes;import org.bson.Document; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.mongodb.core.MongoTemplate; import org.springframework.data.mongodb.core.query....

MongoTemplate 操作 mongodb【代码】

=mongodb://user:password@192.168.1.22:27017/admin 6.测试@Document(collection = "login_log") @Data public class LoginLog {@Idprivate String id;private String customerId;private String deviceId;private String deviceName;private long lastLoginTime; } @Api(value = "MongodbController", description = "Test接口") @RestController @RequestMapping("/loginLog") @Slf4j public class MongodbController {@...

【MongoDB】使用MongoTemplate实现runCommand命令【代码】

目录一. 背景二. 使用 一. 背景MongoTemplate提供了很多内置命令用于增删改查 比如:executeQuery/find/findAndModify等 同时还提供了执行动态命令的语句executeCommand(对应MongoDB命令:runCommand)二. 使用MongoDB原生命令:runCommanddb.runCommand({"find":"tablename","filter":{"fieldName":{$exists:true}},"limit" : 10})对应的MongoTemplate方法executeCommandString jsonCommand = "{\n" +"\"find\":\"" + tablename + ...

MongoDB(3):MongoTemplate之Query【代码】

1. 简介 MongDB的MongoTemplate对Query的定义是Query object representing criteria, projection, sorting and query hints,即MongoDB使用Query对象完成条件、投影、排序等查询操作。 2. 使用方法 public List<GeoModel> query() {Query query = new Query();Criteria criteria = Criteria.where("uId").is("4").and("time").gt(LocalDateTime.now()).lt(LocalDateTime.now().plusHours(10));query.addCriteria(criteria);return ...

在java中使用MongoTemplate聚合操作MongoDB【代码】

参考链接:( https://blog.csdn.net/baidu_38990811/article/details/80095495 ) ? ??  Aggregation agg = Aggregation.newAggregation( Aggregation.match(criteria),//条件 Aggregation.group("a","b","c","d","e").count().as("f"),//分组字段 Aggregation.sort(sort),//排序 Aggregation.skip(page.getFirstResult()),//过滤 Aggregation.limit(pageSize)//页数 ); AggregationResults<Test> outputType=mong...

一个基于mongoDB的 MongoTemplate 的基本操作类【代码】

import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject; import com.mongodb.client.ListIndexesIterable; import com.mongodb.client.model.IndexOptions; import com.mongodb.client.model.Indexes;import org.bson.Document; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.mongodb.core.MongoTemplate; import org.springframework.data.mongodb.core...

spring data mongodb,使用MongoRepository还是MongoTemplate?【代码】

如果使用MongoRepository,您可以拥有以下代码:@Repository public interface UserRepo extends MongoRepository<User, String> {// additional methods go here } 然后你做userRepo.save()find()等来做CRUD操作. 或者你只是MongoTemplate并做CRUD操作. 我的问题是哪个更受欢迎?每种方法的优缺点是什么?谢谢!解决方法:好的,通过查看源代码MongoRepository消耗mongoTemplate并提供一组常用的DAO API,换句话说,使用MongoRepositor...

如何使用Spring MongoTemplate将Java 8 Instant作为日期类型保存到MongoDB?【代码】

我有一个具有Instant类型成员变量的Java类:public class SomeRecord {private String someId;private Instant someInstant;// getters and setters }我使用MongoTemplate更新数据库中的someInstant字段:public SomeRecord updateSomeRecordBySomeId(final String someId, Object someInstant) {Query query = new Query();query.addCriteria(Criteria.where("someId").is(someId));Update update = new Update();update.set("som...