From 79893c39fc302e7796087d657f449aa4eefad620 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=94=A1=E7=8E=AE=E9=93=AD?= <2373854303@qq.com>
Date: Mon, 23 Jun 2025 11:27:10 +0800
Subject: [PATCH 1/2] =?UTF-8?q?=E6=8F=90=E4=BA=A4623=E4=BD=9C=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
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diff --git "a/\350\224\241\347\216\256\351\223\255/20250623 WebApi\351\241\271\347\233\256\346\242\263\347\220\206\357\274\210\344\270\211\357\274\211.md" "b/\350\224\241\347\216\256\351\223\255/20250623 WebApi\351\241\271\347\233\256\346\242\263\347\220\206\357\274\210\344\270\211\357\274\211.md"
new file mode 100644
index 0000000..93d82df
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20250623 WebApi\351\241\271\347\233\256\346\242\263\347\220\206\357\274\210\344\270\211\357\274\211.md"	
@@ -0,0 +1,370 @@
+# WebApi项目梳理（三）
+
+## 课堂笔记
+
+### WebApi项目梳理（三）
+
+#### 一、启动 MySql 服务
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250618163858.png)
+
+#### 二、解决 VsCode 代码提示问题
+
+**禁用 `C# Dev Kit` 插件**
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250618164022.png)
+
+#### 三、创建项目
+
+```bash
+dotnet new webapi
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250610110354.png)
+
+#### 四、安装依赖包
+
+**安装 Pomelo.EntityFrameworkCore.MySql 包**
+
+```bash
+dotnet add package Pomelo.EntityFrameworkCore.Mysql
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250611163352.png)
+
+**安装 Microsoft.EntityFrameworkCore.Design 包**
+
+```bash
+dotnet add package Microsoft.EntityFrameworkCore.Design -v 8
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250611163825.png)
+
+**安装 dotnet-ef 工具包**
+
+```bash
+dotnet tool install --global dotnet-ef
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250611172723.png)
+
+#### 五、配置数据库连接字符串
+
+**appsettings.json**
+
+```Csharp
+"ConnectionStrings": {
+    "mysql":"server=localhost;database=test;uid=root;pwd=123456;"
+}
+```
+
+#### 六、创建数据库上下文类
+
+**BookDbContext.cs**
+
+```Csharp
+using Microsoft.EntityFrameworkCore;
+
+namespace MyWebApi.Domain;
+
+public class BookDbContext : DbContext
+{
+    public BookDbContext(DbContextOptions options) : base(options) { }
+
+    public DbSet<Books> Books
+    {
+        get; set;
+    }
+}
+```
+
+#### 七、配置数据库上下文类、添加控制器服务、注册泛型仓储
+
+**Program.cs**
+
+```Csharp
+using Microsoft.EntityFrameworkCore;
+using MyWebApi.Domain;
+using MyWebApi.Repository;
+
+
+var builder = WebApplication.CreateBuilder(args);
+
+// 配置数据库上下文
+var connectionStrings = builder.Configuration.GetConnectionString("mysql");
+
+builder.Services.AddDbContext<BookDbContext>(b =>
+{
+    b.UseMySql(connectionStrings, ServerVersion.AutoDetect(connectionStrings));
+});
+
+// 添加控制器服务
+builder.Services.AddControllers();
+
+// 注册泛型仓储
+builder.Services.AddScoped(typeof(IRepository<>),typeof(EfRepository<>));
+
+var app = builder.Build();
+
+// 注册 API 路由
+app.MapControllers();
+
+app.Run();
+```
+
+#### 八、创建实体类
+
+**Books.cs**
+
+```Csharp
+namespace MyWebApi.Domain;
+
+public class Books
+{
+    // 图书编号
+    public int Id { get; set; }
+    // 图书名称
+    public string? BookName { get; set; }
+    // 作者
+    public string? Author { get; set; }
+    // 图书价格
+    public double Price { get; set; }
+}
+```
+
+#### 九、迁移数据库
+
+##### 1. 编译和构建 .NET 项目
+
+```bash
+dotnet build
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250611172807.png)
+
+##### 2. 生成一个新的迁移文件
+
+```bash
+dotnet ef migrations add InitCreate
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250620171552.png)
+
+##### 3. 迁移数据库
+
+```bash
+dotnet ef database update
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250620171509.png)
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250620171433.png)
+
+#### 十、创建数据库操作类
+
+**BookCreateDto.cs**
+
+```Csharp
+namespace MyWebApi.Dto;
+
+public record BookCreateDto(string BookName, string Author, double Price);
+```
+
+#### 十一、创建仓储接口（异步方法）
+
+**IRepository.cs**
+
+```Csharp
+namespace MyWebApi.Repository;
+
+public interface IRepository<T>
+{
+    // 查询所有
+    Task<List<T>> GetAllAsync();
+
+    // 查询一个
+    Task<T>? GetOneAsync(int id);
+
+    // 新增一个
+    Task<T> AddAsync(T entity);
+
+    // 修改一个
+    Task<T> UpdateAsync(T entity);
+
+    // 删除一个
+    Task<T> DeleteAsync(T entity);
+}
+```
+
+#### 十二、实现仓储接口类（异步方法）
+
+**EfRepository.cs**
+
+```Csharp
+using Microsoft.EntityFrameworkCore;
+using MyWebApi.Domain;
+
+namespace MyWebApi.Repository;
+
+public class EfRepository<T> : IRepository<T> where T : class
+{
+    // 设置数据库上下文
+    private readonly BookDbContext _db;
+
+    // 设置表名
+    private readonly DbSet<T> _tb;
+
+    // 依赖注入
+    public EfRepository(BookDbContext db){
+        _db = db;
+        _tb = db.Set<T>();
+    }
+
+    // 查询所有
+    public async Task<List<T>> GetAllAsync(){
+        return await _tb.ToListAsync();
+    }
+
+    // 查询一个
+    public async Task<T>? GetOneAsync(int id){
+        var obj = await _tb.FindAsync(id);
+
+        if(obj == null){
+            return null;
+        }
+
+        return obj;
+    }
+
+    // 新增一个
+    public async Task<T> AddAsync(T entity){
+        var obj = await _tb.AddAsync(entity);
+
+        await _db.SaveChangesAsync();
+
+        return obj.Entity;
+    }
+
+    // 修改一个
+    public async Task<T> UpdateAsync(T entity){
+        var obj = _tb.Update(entity);
+
+        await _db.SaveChangesAsync();
+
+        return obj.Entity;
+    }
+
+    // 删除一个
+    public async Task<T> DeleteAsync(T entity){
+        var obj = _tb.Remove(entity);
+
+        await _db.SaveChangesAsync();
+
+        return obj.Entity;
+    } 
+}
+```
+
+#### 十三、编写控制器文件（使用仓储接口）
+
+**BooksController.cs**
+
+```Csharp
+using Microsoft.AspNetCore.Mvc;
+using MyWebApi.Repository;
+using MyWebApi.Domain;
+using MyWebApi.Dto;
+
+namespace MyWebApi.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+public class BooksController : ControllerBase
+{
+    // 数据库仓储接口
+    private readonly IRepository<Books> _BookRep;
+
+    // 依赖注入
+    public BooksController(IRepository<Books> BookRep){
+        _BookRep = BookRep;
+    }
+
+    // 查询所有图书
+    [HttpGet]
+    public async Task<IActionResult> Get(){
+        var books = await _BookRep.GetAllAsync();
+
+        // 响应对象
+        return Ok(new{code=200,data=books,msg="查询成功"});
+    }
+
+    // 新增图书
+    [HttpPost]
+    public async Task<IActionResult> Post(BookCreateDto bookCreateDto){
+        var obj = new Books{BookName=bookCreateDto.BookName,Author=bookCreateDto.Author,Price=bookCreateDto.Price};
+
+        var book = await _BookRep.AddAsync(obj);
+
+        // 响应对象
+        return Ok(new{code=200,data=book,msg="新增成功"});
+    }
+
+    // 修改图书
+    [HttpPut("{id}")]
+    public async Task<IActionResult> Put(int id,BookCreateDto bookCreateDto){
+        var book = await _BookRep.GetOneAsync(id);
+
+         if(book == null){
+           return Ok(new{code=500,data=book,msg="删除失败"});
+        }
+
+       book.BookName = bookCreateDto.BookName;
+       book.Author = bookCreateDto.Author;
+       book.Price = bookCreateDto.Price;
+
+        var obj = await _BookRep.UpdateAsync(book);
+
+        // 响应对象
+        return Ok(new{code=200,data=obj,msg="修改成功"});
+    }
+
+    // 删除图书
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> Delete(int id){
+        var book = await _BookRep.GetOneAsync(id);
+
+        if(book == null){
+           return Ok(new{code=500,data=book,msg="删除失败"});
+        }
+
+        var obj = await _BookRep.DeleteAsync(book);
+
+        // 响应对象
+        return Ok(new{code=200,data=book,msg="删除成功"});
+    }
+}
+```
+
+#### 十四、效果演示
+
+##### [项目预览](https://gitee.com/hyo-ja/webapi-framework/tree/master/20250623%20WebApi%E9%A1%B9%E7%9B%AE%E6%A2%B3%E7%90%86%EF%BC%88%E4%B8%89%EF%BC%89/MyWebApi)
+
+##### 效果预览
+
+###### **查询图书列表**
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250623111432.png)
+
+###### **新增图书**
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250623111457.png)
+
+###### **修改图书**
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250623111521.png)
+
+###### **删除图书**
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250623111544.png)
+
+## 课后作业
-- 
Gitee


From 5f8f015d8463c4d05f9c25a8da297e6528111f68 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=94=A1=E7=8E=AE=E9=93=AD?= <2373854303@qq.com>
Date: Tue, 24 Jun 2025 10:21:59 +0800
Subject: [PATCH 2/2] =?UTF-8?q?=E6=8F=90=E4=BA=A4624=E4=BD=9C=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...06\357\274\210\345\233\233\357\274\211.md" | 379 ++++++++++++++++++
 1 file changed, 379 insertions(+)
 create mode 100644 "\350\224\241\347\216\256\351\223\255/20250624 WebApi\351\241\271\347\233\256\346\242\263\347\220\206\357\274\210\345\233\233\357\274\211.md"

diff --git "a/\350\224\241\347\216\256\351\223\255/20250624 WebApi\351\241\271\347\233\256\346\242\263\347\220\206\357\274\210\345\233\233\357\274\211.md" "b/\350\224\241\347\216\256\351\223\255/20250624 WebApi\351\241\271\347\233\256\346\242\263\347\220\206\357\274\210\345\233\233\357\274\211.md"
new file mode 100644
index 0000000..6cb951f
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20250624 WebApi\351\241\271\347\233\256\346\242\263\347\220\206\357\274\210\345\233\233\357\274\211.md"	
@@ -0,0 +1,379 @@
+# WebApi项目梳理（三）
+
+## 课堂笔记
+
+### WebApi项目梳理（三）
+
+#### 一、启动 MySql 服务
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250618163858.png)
+
+#### 二、解决 VsCode 代码提示问题
+
+**禁用 `C# Dev Kit` 插件**
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250618164022.png)
+
+#### 三、创建项目
+
+```bash
+dotnet new webapi
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250610110354.png)
+
+#### 四、安装依赖包
+
+**安装 Pomelo.EntityFrameworkCore.MySql 包**
+
+```bash
+dotnet add package Pomelo.EntityFrameworkCore.Mysql
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250611163352.png)
+
+**安装 Microsoft.EntityFrameworkCore.Design 包**
+
+```bash
+dotnet add package Microsoft.EntityFrameworkCore.Design -v 8
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250611163825.png)
+
+**安装 dotnet-ef 工具包**
+
+```bash
+dotnet tool install --global dotnet-ef
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250611172723.png)
+
+#### 五、配置数据库连接字符串
+
+**appsettings.json**
+
+```Csharp
+"ConnectionStrings": {
+    "mysql":"server=localhost;database=test;uid=root;pwd=123456;"
+}
+```
+
+#### 六、创建数据库上下文类
+
+**BlogDbContext.cs**
+
+```Csharp
+using Microsoft.EntityFrameworkCore;
+
+namespace MyWebApi.Domain;
+
+public class BlogDbContext : DbContext
+{
+    public BlogDbContext(DbContextOptions options) : base(options) { }
+    
+    public DbSet<Blogs> Blogs{ get; set; }
+}
+```
+
+#### 七、配置数据库上下文类、添加控制器服务、注册泛型仓储
+
+**Program.cs**
+
+```Csharp
+using MyWebApi.Domain;
+using Microsoft.EntityFrameworkCore;
+using MyWebApi.Repository;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// 配置数据库上下文
+var connectionString = builder.Configuration.GetConnectionString("mysql");
+
+builder.Services.AddDbContext<BlogDbContext>(b =>
+{
+    b.UseMySql(connectionString, ServerVersion.AutoDetect(connectionString));
+}
+);
+
+// 添加数据库服务
+builder.Services.AddControllers();
+
+// 注册泛型仓储
+builder.Services.AddScoped(typeof(IRepository<>), typeof(EfRepository<>));
+
+var app = builder.Build();
+
+// 注册 API 路由
+app.MapControllers();
+
+app.Run();
+```
+
+#### 八、创建实体类
+
+**Blogs.cs**
+
+```Csharp
+namespace MyWebApi.Domain;
+
+public class Blogs
+{
+    // 编号
+    public int Id { get; set; }
+
+    // 博客标题
+    public string? Title { get; set; }
+
+    // 作者
+    public string? Author { get; set; }
+
+    // 博客内容
+    public string? Content { get; set; }
+}
+```
+
+#### 九、迁移数据库
+
+##### 1. 编译和构建 .NET 项目
+
+```bash
+dotnet build
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250611172807.png)
+
+##### 2. 生成一个新的迁移文件
+
+```bash
+dotnet ef migrations add InitCreate
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250620171552.png)
+
+##### 3. 迁移数据库
+
+```bash
+dotnet ef database update
+```
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250620171509.png)
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250624090029.png)
+
+#### 十、创建数据库操作类
+
+**BlogCreateDto.cs**
+
+```Csharp
+namespace MyWebApi.Dto;
+
+public record BlogCreateDto(string Title, string Author, string Content);
+```
+
+#### 十一、创建仓储接口（异步方法）
+
+**IRepository.cs**
+
+```Csharp
+namespace MyWebApi.Repository;
+
+public interface IRepository<T>
+{
+    // 查询所有
+    Task<List<T>> GetAllAsync();
+
+    // 查询一个
+    Task<T>? GetOneAsync(int id);
+
+    // 新增一个
+    Task<T> AddAsync(T entity);
+
+    // 修改一个
+    Task<T> UpdateAsync(T entity);
+
+    // 删除一个
+    Task<T> DeleteAsync(T entity);
+}
+```
+
+#### 十二、实现仓储接口类（异步方法）
+
+**EfRepository.cs**
+
+```Csharp
+using Microsoft.EntityFrameworkCore;
+using MyWebApi.Domain;
+
+namespace MyWebApi.Repository;
+
+public class EfRepository<T> : IRepository<T> where T : class
+{
+    // 数据库上下文
+    private readonly BlogDbContext _db;
+    // 表名
+    private readonly DbSet<T> _tb;
+
+    // 依赖注入
+    public EfRepository(BlogDbContext db)
+    {
+        _db = db;
+        _tb = db.Set<T>();
+    }
+
+    // 查询所有
+    public async Task<List<T>> GetAllAsync()
+    {
+        return await _tb.ToListAsync();
+    }
+
+    // 查询一个
+    public async Task<T>? GetOneAsync(int id)
+    {
+        var obj = await _tb.FindAsync(id);
+
+        if (obj == null)
+        {
+            return null;
+        }
+
+        return obj;
+    }
+
+    // 新增一个
+    public async Task<T> AddAsync(T entity)
+    {
+        var obj = await _tb.AddAsync(entity);
+
+        await _db.SaveChangesAsync();
+
+        return obj.Entity;
+    }
+
+    // 修改一个
+    public async Task<T> UpdateAsync(T entity)
+    {
+        var obj = _tb.Update(entity);
+
+        await _db.SaveChangesAsync();
+
+        return obj.Entity;
+    }
+
+    // 删除一个
+    public async Task<T> DeleteAsync(T entity)
+    {
+        var obj = _tb.Remove(entity);
+
+        await _db.SaveChangesAsync();
+
+        return obj.Entity;
+    }
+}
+```
+
+#### 十三、编写控制器文件（使用仓储接口）
+
+**BlogsController.cs**
+
+```Csharp
+using Microsoft.AspNetCore.Mvc;
+using MyWebApi.Repository;
+using MyWebApi.Dto;
+using MyWebApi.Domain;
+
+namespace MyWebApi.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+public class BlogsController : ControllerBase
+{
+    // 泛型仓储
+    private readonly IRepository<Blogs> _BlogRep;
+
+    // 依赖注入
+    public BlogsController(IRepository<Blogs> BlogRep)
+    {
+        _BlogRep = BlogRep;
+    }
+
+    [HttpGet]
+    public async Task<IActionResult> Get()
+    {
+        var obj = await _BlogRep.GetAllAsync();
+        return Ok(new { code = 200, data = obj, msg = "查询成功" });
+    }
+
+    [HttpPost]
+    public async Task<IActionResult> Post(BlogCreateDto blogCreateDto)
+    {
+        var blogs = new Blogs()
+        {
+            Title = blogCreateDto.Title,
+            Author = blogCreateDto.Author,
+            Content = blogCreateDto.Content,
+        };
+
+        var obj = await _BlogRep.AddAsync(blogs);
+
+        return Ok(new { code = 200, data = obj, msg = "新增成功" });
+    }
+
+    [HttpPut("{id}")]
+    public async Task<IActionResult> Put(int id, BlogCreateDto blogCreateDto)
+    {
+        var blogs = await _BlogRep.GetOneAsync(id);
+
+        if (blogs == null)
+        {
+            return Ok(new { code = 500, data = "null", msg = "修改失败" });
+        }
+
+        blogs.Title = blogCreateDto.Title;
+        blogs.Author = blogCreateDto.Author;
+        blogs.Content = blogCreateDto.Content;
+
+        var obj = await _BlogRep.UpdateAsync(blogs);
+
+        return Ok(new { code = 200, data = obj, msg = "修改成功" });
+    }
+
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> Delete(int id)
+    {
+        var blogs = await _BlogRep.GetOneAsync(id);
+
+        if (blogs == null)
+        {
+            return Ok(new { code = 500, data = "null", msg = "删除失败" });
+        }
+        
+        var obj = await _BlogRep.DeleteAsync(blogs);
+
+        return Ok(new { code = 200, data = obj, msg = "删除成功" });
+    }
+}
+```
+
+#### 十四、效果演示
+
+##### [项目预览](https://gitee.com/hyo-ja/webapi-framework/tree/master/20250624%20WebApi%E9%A1%B9%E7%9B%AE%E6%A2%B3%E7%90%86%EF%BC%88%E5%9B%9B%EF%BC%89/MyWebApi)
+
+##### 效果预览
+
+###### **查询博客列表**
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250624100902.png)
+
+###### **新增博客**
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250624100932.png)
+
+###### **修改博客**
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250624101340.png)
+
+###### **删除博客**
+
+![](https://gitee.com/hyo-ja/picture-warehouse/raw/master/images/20250624101410.png)
+
+## 课后作业
-- 
Gitee