OSCHINA 社区最新讨论话题 |
- 2000坐标转换gps经纬度
- 2000坐标转换gps经纬度
- Spring boot 集成knife4j
- IDEA 2021.3.3 ja-netfilter 失效,怎么办?
- mongodb 内嵌文档 父子级结构数据 递归查询,根据某个id查询他下面的所有子id
- 两个或多个有关系的项目底层数据库怎么设计?
Posted: 23 Mar 2022 02:35 AM PDT 2000坐标转换gps经纬度转换有偏差,是不是全都这样有偏差 |
Posted: 23 Mar 2022 01:50 AM PDT 2000坐标转换gps经纬度网上找了很多方法转换后都是有偏差,各位大神帮帮我 |
Posted: 23 Mar 2022 01:17 AM PDT |
IDEA 2021.3.3 ja-netfilter 失效,怎么办? Posted: 22 Mar 2022 10:53 PM PDT |
mongodb 内嵌文档 父子级结构数据 递归查询,根据某个id查询他下面的所有子id Posted: 22 Mar 2022 09:15 PM PDT { "id": "1505036191456227329", "materialList": [ { "id": "1505035441229459457", "model": "", "parentId": "0", }, { "id": "1505035441229459458", "model": "", "parentId": "1505035441229459457", }, { "id": "1505035441229459459", "model": "", "parentId": "1505035441229459457", },{ "id": "150503544122... |
Posted: 22 Mar 2022 08:59 PM PDT 现在原来有个OA项目,要加个CRM项目,它们有一定联系。像账号表要同步,是分两个数据库好,还是分一个数据库好?其中有些字段是重复的,这要怎么处理,是要单独分出来吗?还是?还有oa的一些模块可能用到CR中的客户或者合同信息,这表要怎么设计?CRM与OA要放在同一个数据库里?重复字段怎么处理?要单独分出一张表吗?最... |
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