A field annotated with @Id (org.springframework.data.annotation.Id) will be mapped to the '_id' field.A field without an annotation but named 'id' will be mapped to the '_id' field. 需要包括maven依赖 <dependency> <groupId>org.springframework.data<
由于MongoDb存储时间按照UTC时间存储的,其官方驱动MongoDB.driver存储时间的时候将本地时间转换为了utc时间,但它有个蛋疼的bug,读取的时候非常蛋疼的是返回的是utc使时间.一个非常直观的体现是时间类型字段存储后和再读入的是不一致的,一个简单的示例如下: table.InsertOne(new MyClass() { Time = DateTime.Now, }); foreach (var data in table.Find(_=> true).ToList()) {
Spring Data MongoDB 三:基本文档查询(Query.BasicQuery)(一) 学习MongoDB 二:MongoDB加入.删除.改动 一.简单介绍 Spring Data MongoDB提供了org.springframework.data.mongodb.core.MongoTemplate对MongoDB的update的操作,能够对在存储数据时是以键-值对的集合键是字符串,值能够是数据类型集合里的随意类型,包含数组和文档进行改动,我们今天介绍对基本文档的改动的方法.參
This sample file is meant as a guide only. Do not copy/paste the entire content into your application; rather pick only the properties that you need. # ===================================================================# COMMON SPRING BOOT PROPERTIES