From 9a48fb80723d0aa5fabc52b88f2acbcc63ada67d Mon Sep 17 00:00:00 2001
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Date: Mon, 9 Dec 2024 17:43:48 +0800
Subject: [PATCH] =?UTF-8?q?20241209-=E5=BA=94=E7=94=A8EntityFrameworkCore?=
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diff --git "a/\346\234\261\346\225\254\351\221\253/\350\257\276\345\240\202\347\254\224\350\256\260/20241209-\345\272\224\347\224\250EntityFrameworkCore\347\232\204\346\255\245\351\252\244.md" "b/\346\234\261\346\225\254\351\221\253/\350\257\276\345\240\202\347\254\224\350\256\260/20241209-\345\272\224\347\224\250EntityFrameworkCore\347\232\204\346\255\245\351\252\244.md"
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+++ "b/\346\234\261\346\225\254\351\221\253/\350\257\276\345\240\202\347\254\224\350\256\260/20241209-\345\272\224\347\224\250EntityFrameworkCore\347\232\204\346\255\245\351\252\244.md"
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+1. 安装依赖包，命令：`dotnet add package Microsoft.EntityFrameworkCore.SqlServer`
+2. 安装项目的命令包`dotnet add package Microsoft.EntityFrameworkCore.Design`
+3. 定义数据库表模型
+```c#
+namespace Blog.Models;
+
+public class Blogs
+{
+    public int Id { get; set; }
+    public string Title { get; set; } = null!;
+    public string Content { get; set; } = null!;
+    public string Author { get; set; } = null!;
+}
+```
+4. 定义数据库上下文
+```C#
+using Microsoft.EntityFrameworkCore;
+
+namespace Blog.Models;
+
+public class BlogDbContext : DbContext
+{
+    public DbSet<Blogs> Blogs { get; set; } = null!;
+
+
+    // The following configures EF to create a Sqlite database file in the
+    // special "local" folder for your platform.
+    protected override void OnConfiguring(DbContextOptionsBuilder options)
+        => options.UseSqlServer($"Server=.\\SQLEXPRESS;database=XiaoZhu;uid=sa;pwd=123456;TrustServerCertificate=True;");
+}
+```
+5. 生成迁移文件，命令：```dotnet ef migrations add XXX (PS：可能需要安装如下依赖包：Microsoft.EntityFrameworkCore.Design)```
+
+6. 将上一步生成的迁移文件，更新到数据库：`dotnet ef database update`（PS：需要保证连接字符串正确无误，包括用户名、密码等，数据库打开，并且允许远程连接）
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-- 
Gitee