Shulou(Shulou.com)06/03 Report--

In this issue, the editor will bring you an introduction to the WebApi+EF Core of ASP.NET Core. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.

The main reason for recording this series of articles today is to quickly help you get started with EF Core in ASP.NET Core WebAPI to operate our database.

1), introduction to EF Core

Entity Framework (EF) Core is a lightweight, extensible and cross-platform version of object-relational mapper (O/RM) data access technology. It frees developers from writing a large number of SQL statements. EF Core can also execute native SQL statements, but it is not recommended.

2) introduction to EF Core database driver

More databases support database provider-EF Core | Microsoft Docs

Https://docs.microsoft.com/zh-cn/ef/core/providers/?tabs=vs

3), DBContext database context

DbContext represents a session with the database, and the "add, delete, modify and query" operation in EF Core is based on this class.

In general, you need to create a custom class that inherits from DbContext (in this article, BlogDbContext is an example), and then use this class for database operations. The role of this class is similar to that of DAL.

PS: generally speaking, DbContext combines Repository pattern and Unit Of Work pattern in actual development projects. In the future, A Ben will sort it out in detail and share it with you.

The basic Application of ASP.NET Core WebApi+EF Core from introduction to practice of EF Core in ASP.NET Core WebAPI

1) EF Core enables the use of DbContextPool to improve the performance of EfCore queries and maximize the efficiency of delivery.

2) enable logging of EF Core to facilitate recording of tracked SQL statements.

3) ASP.NET Core WebAPI uses the online interface Swagger to facilitate debugging the Api interface.

4) EF Core migration test seed data.

The above is the editor for you to share the WebApi+EF Core of ASP.NET Core how to get started, if you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

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