From 2386869b52ab61b01c1a65f508522678068eebdd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E6=A2=93=E5=90=9B?= <1559844100@qq.com>
Date: Sun, 25 Jan 2026 13:11:54 +0000
Subject: [PATCH] =?UTF-8?q?=E5=90=B4=E6=A2=93=E5=90=9B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: 吴梓君 <1559844100@qq.com>
---
 .../20260119-MVC\347\254\224\350\256\260.md"  | 20 +++++++++
 .../20260121-MVC\347\254\224\350\256\260.md"  | 44 +++++++++++++++++++
 .../20260122-MVC\347\254\224\350\256\260.md"  | 16 +++++++
 .../20260123-MVC\347\254\224\350\256\260.md"  | 10 +++++
 4 files changed, 90 insertions(+)
 create mode 100644 "\345\220\264\346\242\223\345\220\233/20260119-MVC\347\254\224\350\256\260.md"
 create mode 100644 "\345\220\264\346\242\223\345\220\233/20260121-MVC\347\254\224\350\256\260.md"
 create mode 100644 "\345\220\264\346\242\223\345\220\233/20260122-MVC\347\254\224\350\256\260.md"
 create mode 100644 "\345\220\264\346\242\223\345\220\233/20260123-MVC\347\254\224\350\256\260.md"

diff --git "a/\345\220\264\346\242\223\345\220\233/20260119-MVC\347\254\224\350\256\260.md" "b/\345\220\264\346\242\223\345\220\233/20260119-MVC\347\254\224\350\256\260.md"
new file mode 100644
index 0000000..bb81f71
--- /dev/null
+++ "b/\345\220\264\346\242\223\345\220\233/20260119-MVC\347\254\224\350\256\260.md"
@@ -0,0 +1,20 @@
+```C#
+// 数据库链接
+
+using Microsoft.EntityFrameworkCore;
+namespace ProductsSystem.Models;
+public class AppDbContext : DbContext
+{
+    public DbSet<ProductsData> products { get; set; }
+    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+    {
+        optionsBuilder.UseSqlite("Data Source=Data.db;");
+    }
+}
+
+    private readonly AppDbContext db;
+    public ProductController()
+    {
+        db = new AppDbContext();
+    }
+```
\ No newline at end of file
diff --git "a/\345\220\264\346\242\223\345\220\233/20260121-MVC\347\254\224\350\256\260.md" "b/\345\220\264\346\242\223\345\220\233/20260121-MVC\347\254\224\350\256\260.md"
new file mode 100644
index 0000000..0abd221
--- /dev/null
+++ "b/\345\220\264\346\242\223\345\220\233/20260121-MVC\347\254\224\350\256\260.md"
@@ -0,0 +1,44 @@
+```C#
+// 功能实现
+    // 新增商品
+    public IActionResult Add()
+    {
+        return View();
+    }
+
+    [HttpPost]
+    public IActionResult AddSave(ProductsData product)
+    {
+        if (ModelState.IsValid)
+        {
+            db.products.Add(product);
+            db.SaveChanges();
+            return Redirect("/Product/Index");
+        }
+        return View(product);
+    }
+    // 编辑商品
+
+    public IActionResult Edit(int id)
+
+    {
+
+        var prooduct = db.products.Find(id);
+
+        return View(prooduct);
+
+    }
+
+    [HttpPost]
+    public IActionResult EditSave(ProductsData product)
+    {
+        if (ModelState.IsValid)
+        {
+            db.products.Update(product);
+            db.SaveChanges();
+            return Redirect("/Product/Index");
+        }
+        return View(product);
+
+    }
+```
\ No newline at end of file
diff --git "a/\345\220\264\346\242\223\345\220\233/20260122-MVC\347\254\224\350\256\260.md" "b/\345\220\264\346\242\223\345\220\233/20260122-MVC\347\254\224\350\256\260.md"
new file mode 100644
index 0000000..4030a8e
--- /dev/null
+++ "b/\345\220\264\346\242\223\345\220\233/20260122-MVC\347\254\224\350\256\260.md"
@@ -0,0 +1,16 @@
+```C#
+    // 删除商品
+    public IActionResult Delete(int id)
+    {
+        var product = db.products.Find(id);
+        return View(product);
+    }
+    [HttpPost]
+    public IActionResult DeleteSave(int id)
+    {
+        var product = db.products.Find(id);
+        db.products.Remove(product);
+        db.SaveChanges();
+        return Redirect("/Product/Index");
+    }
+```
\ No newline at end of file
diff --git "a/\345\220\264\346\242\223\345\220\233/20260123-MVC\347\254\224\350\256\260.md" "b/\345\220\264\346\242\223\345\220\233/20260123-MVC\347\254\224\350\256\260.md"
new file mode 100644
index 0000000..1bb0057
--- /dev/null
+++ "b/\345\220\264\346\242\223\345\220\233/20260123-MVC\347\254\224\350\256\260.md"
@@ -0,0 +1,10 @@
+``` C#
+// 安装必要的NuGet包**
+dotnet add package Microsoft.EntityFrameworkCore.Sqlite
+dotnet add package Microsoft.EntityFrameworkCore.Design
+dotnet add package Microsoft.EntityFrameworkCore.Tools
+
+// 迁移创建
+dotnet ef migrations add InitialCreate
+dotnet ef database update TargetMigration
+```
\ No newline at end of file
-- 
Gitee