diff --git "a/\351\203\221\345\256\266\347\202\234/20240617_\350\267\250\345\237\237.md" "b/\351\203\221\345\256\266\347\202\234/20240617_\350\267\250\345\237\237.md"
new file mode 100644
index 0000000000000000000000000000000000000000..ffcdc360abd7f956fc21d88ec9158f3594866f4e
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/20240617_\350\267\250\345\237\237.md"
@@ -0,0 +1,20 @@
+## 在ASP.NET Core应用程序中配置CORS（跨域资源共享）策略
+~~~c#
+public void ConfigureServices(IServiceCollection services)
+{
+    // 添加跨域服务
+    services.AddCors(options => {
+        // "AllowOrigin"是策略的名称，你可以根据需要命名它
+      options.AddPolicy("AllowOrigin",builder => {
+        builder.AllowAnyOrigin()    //指定允许来自任何来源的请求，WithOrigins制定对某些域名开放
+               .AllowAnyMethod()    //指定允许任何HTTP方法
+               .AllowAnyHeader();   //指定允许任何请求头
+      });
+    });
+}
+public void Configure(IApplicationBuilder app,IHostEnvironment env)
+{
+    // 使用 "AllowOrigin" 策略，要在启用路由中间件后使用
+    app.UseCors("AllowOrigin");
+}
+~~~
\ No newline at end of file
diff --git "a/\351\203\221\345\256\266\347\202\234/20240619_\345\215\232\345\256\242\347\273\203\344\271\240.md" "b/\351\203\221\345\256\266\347\202\234/20240619_\345\215\232\345\256\242\347\273\203\344\271\240.md"
new file mode 100644
index 0000000000000000000000000000000000000000..e76a0b05703654f4643416e1ff5fe3c1a8656fde
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/20240619_\345\215\232\345\256\242\347\273\203\344\271\240.md"
@@ -0,0 +1,26 @@
+## 博客表考前梳理
+### 后端webapi
+1. 配置入口文件Program.cs
+2. 配置启动类，注册依赖Startup.cs
+3. 创建封装表格Domain/Blog.cs
+4. 创建表格数据实体类Dto：BlogCreateDto、BlogDto、BlogUpdateDto
+5. 在配置文件中编写数据库连接字符串
+~~~js
+ "ConnectionStrings": {
+    "SqlServer": "server=.;database=BlogDemo;uid=sa;pwd=123456;TrustServerCertificate=true;"
+  }
+~~~
+6. 创建数据库上下文，连接数据库Db/BlogsDbContext
+7. 创建通用仓储接口Interfaces/IRepositoryBase.cs
+8. 实现接口Services/RepositoryBase.cs
+9. 编写控制器
+10. 生成迁移和同步数据库
+~~~js
+// 全局安装dotnet-ef工具
+dotnet tool install --global dotnet-ef
+// 生成迁移
+dotnet ef migrations add <Name>
+// 同步数据库
+dotnet ef batadase update
+~~~
+
diff --git "a/\351\203\221\345\256\266\347\202\234/sdad/.keep" "b/\351\203\221\345\256\266\347\202\234/sdad/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/\351\203\221\345\256\266\347\202\234/sdad/App.vue" "b/\351\203\221\345\256\266\347\202\234/sdad/App.vue"
new file mode 100644
index 0000000000000000000000000000000000000000..5e4013033c782e25efc338de3daca1ee61c5c9bc
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/sdad/App.vue"
@@ -0,0 +1,121 @@
+<script setup>
+import {ref,onMounted} from "vue"
+import axios  from "axios";
+
+let list = ref([]);
+let show=ref(false)
+let Blog=ref({})
+let search=ref("")
+onMounted(()=>{
+  getdata()
+})
+async function getdata(){
+  let res = await axios.get(`http://localhost:5063/api/blog`)
+  list.value=res.data
+}
+async function add(){
+  show.value=!show.value
+}
+async function find(){
+  if(search.value){
+    let res =await axios.get(`http://localhost:5063/api/blog/`+search.value)
+    list.value=[res.data]
+  }else{
+    getdata()
+  }}
+
+  async function del(id){
+  let ress = await axios.delete(`http://localhost:5063/api/blog/`+id)
+  location.reload()
+}
+  async function edit(id){
+    show.value=!show.value
+    let res = await axios.get(`http://localhost:5063/api/blog/`+id)
+    Blog.value=res.data
+  }
+  async function save(){
+    if(Blog.value.id){
+      let res =await axios.put(`http://localhost:5063/api/blog/`+Blog.value.id,Blog.value)
+      if(res.status==204){
+        getdata()
+        show.value=!show.value
+      }
+    }else{
+      let res =await axios.post(`http://localhost:5063/api/blog/`,Blog.value)
+      if(res.status==201){
+        getdata()
+        show.value=!show.value
+      }
+    }
+  }
+
+</script>
+
+<template>
+  <div class="all">
+    <div>
+      <input type="text" name="" id="" v-model="search">
+      <button @click="find">查找</button>
+      <button @click="add">新增</button>
+    </div>
+    <div>
+      <table>
+        <tr>
+          <th>id</th>
+          <th>标题</th>
+          <th>作者</th>
+          <th>操作</th>
+        </tr>
+        <tr v-for="item in list " :key="item.id">
+          <td>{{  item.id}}</td>
+          <td>{{ item.title }}</td>
+          <td>{{ item.author }}</td>
+          <td>
+          <button @click="edit(item.id)">编辑</button>
+          <button @click="del(item.id)">删除</button>
+        </td>
+        
+        </tr>
+      </table>
+    </div>
+    <div class="box" v-if="show">
+      <div class="context">
+        <table>
+          <tr>
+            <td>标题</td>
+            <td><input type="text" v-model="Blog.title"></td>
+          </tr>
+          <tr>
+            <td>作者</td>
+            <td><input type="" v-model="Blog.author"></td>
+          </tr>
+          <tr>
+            <td><button>取消</button></td>
+            <td><button @click="save"> 保存</button></td>
+          </tr>
+        </table>
+      </div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.all{
+  position: relative;
+}
+.box{
+  position: fixed;
+  width: 100%;
+  height: 100%;
+  background-color: rgba(0, 0, 0, 0.5);
+  top: 0;
+  left: 0;
+}
+.context{
+  width: 250px;
+  height: 250px;
+  margin: 200px auto;
+  padding: 20px;
+  background-color: beige;
+}
+</style>
diff --git "a/\351\203\221\345\256\266\347\202\234/sdad/BlogController.cs" "b/\351\203\221\345\256\266\347\202\234/sdad/BlogController.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..ab6cf044d55195e2f5cb5e08efa215107441b52c
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/sdad/BlogController.cs"
@@ -0,0 +1,55 @@
+using Microsoft.AspNetCore.Mvc;
+
+using Blogapi.DOmain;
+using Blogapi.IRepository;
+using Microsoft.Identity.Client;
+
+
+// using Microsoft.AspNetCore.Mvc;
+// using Microsoft.AspNetCore.Components;；
+
+[Route("api/[controller]")]
+[ApiController]
+
+public class BlogController:ControllerBase{
+    private readonly IRepository<Blogs> _blogRepository;
+    public BlogController(IRepository<Blogs> blogRepository){
+        _blogRepository=blogRepository;
+    }
+    [HttpGet]
+    public IActionResult Get(){
+        var blogs=_blogRepository.GetList();
+        return Ok(blogs);
+    }
+    [HttpGet("{id}")]
+    public IActionResult GetByid(int id ){
+        var blogs=_blogRepository.GetByid(id);
+        if(blogs==null){
+            return NotFound();
+        }
+        return Ok(blogs);
+    }
+    [HttpPost]
+    public IActionResult Post(Blogs blogs){
+        _blogRepository.Add(blogs);
+        return CreatedAtAction(nameof(GetByid),new{id=blogs.Id},blogs);
+
+    }
+    [HttpPut("{id}")]
+    public IActionResult Update(int id,Blogs blogs){
+        if(id!=blogs.Id){
+            return BadRequest();
+        }
+        _blogRepository.Update(blogs);
+        return NoContent();
+    }
+    [HttpDelete("{id}")]
+    public IActionResult Delete(int id ){
+        var blogs=_blogRepository.GetByid(id);
+        if(blogs==null){
+            return NotFound();
+        }
+        _blogRepository.Delete(blogs);
+        return NoContent();
+    }
+}
\ No newline at end of file
diff --git "a/\351\203\221\345\256\266\347\202\234/sdad/BlogDbContext.cs" "b/\351\203\221\345\256\266\347\202\234/sdad/BlogDbContext.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..b6326b82662144ef91518395502fd52b99c6216b
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/sdad/BlogDbContext.cs"
@@ -0,0 +1,11 @@
+using Microsoft.EntityFrameworkCore;
+using Blogapi.DOmain;
+
+namespace Blogapi.Db;
+
+public class BlogDbContext:DbContext{
+    public BlogDbContext(DbContextOptions<BlogDbContext> options):base(options){
+
+    }
+    public DbSet<Blogs> Blogs{set;get;}
+}
\ No newline at end of file
diff --git "a/\351\203\221\345\256\266\347\202\234/sdad/BlogRepository.cs" "b/\351\203\221\345\256\266\347\202\234/sdad/BlogRepository.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..2669a5f109638d17343539bbb2fcc12b90adeedb
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/sdad/BlogRepository.cs"
@@ -0,0 +1,43 @@
+using Blogapi.Db;
+using Blogapi.DOmain;
+using Blogapi.IRepository;
+using Microsoft.EntityFrameworkCore;
+
+
+namespace Blogapi.Repository{
+    public class BlogRepository : IRepository<Blogs>
+    {
+        private readonly BlogDbContext _context;
+        public BlogRepository(BlogDbContext context){
+            _context=context;
+        }
+        public void Add(Blogs entity)
+        {
+            _context.Blogs.Add(entity);
+            _context.SaveChanges();
+        }
+
+        public void Delete(Blogs entity)
+        {
+            _context.Blogs.Remove(entity);
+            _context.SaveChanges();
+        }
+
+        public Blogs GetByid(int id)
+        {
+            return _context.Blogs.Find(id);
+
+        }
+
+        public IEnumerable<Blogs> GetList()
+        {
+            return _context.Blogs.ToList();
+        }
+
+        public void Update(Blogs entity)
+        {
+            _context.Entry(entity).State=EntityState.Modified;
+            _context.SaveChanges();
+        }
+    }
+}
\ No newline at end of file
diff --git "a/\351\203\221\345\256\266\347\202\234/sdad/Blogapi.http" "b/\351\203\221\345\256\266\347\202\234/sdad/Blogapi.http"
new file mode 100644
index 0000000000000000000000000000000000000000..7aed43f371ef098e34a5adb276df323d26b30539
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/sdad/Blogapi.http"
@@ -0,0 +1,6 @@
+@Blogapi_HostAddress = http://localhost:5063
+
+GET {{Blogapi_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###
diff --git "a/\351\203\221\345\256\266\347\202\234/sdad/Blogs.cs" "b/\351\203\221\345\256\266\347\202\234/sdad/Blogs.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..a5c608a86acf261de7fa03fb0c85074b1a4dd342
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/sdad/Blogs.cs"
@@ -0,0 +1,7 @@
+namespace  Blogapi.DOmain;
+
+public class Blogs{
+    public int Id {get;set;}
+    public string title {get;set;}="";
+    public string author{get;set;}="";
+}
\ No newline at end of file
diff --git "a/\351\203\221\345\256\266\347\202\234/sdad/BookApi.http" "b/\351\203\221\345\256\266\347\202\234/sdad/BookApi.http"
new file mode 100644
index 0000000000000000000000000000000000000000..24a52868a79e692a7e4c6114513a61441079ed0d
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/sdad/BookApi.http"
@@ -0,0 +1,37 @@
+@Blogapi_HostAddress = http://localhost:5286
+
+###根据id获取书籍信息
+GET {{Blogapi_HostAddress}}/api/blog/3
+
+
+###获取全部书籍信息
+GET {{Blogapi_HostAddress}}/api/blog
+
+
+###添加书籍
+Post {{Blogapi_HostAddress}}/api/blog
+Content-Type: application/json
+
+{
+  "title": "西游记",
+  "author": "吴承恩"
+}
+
+
+
+###更新书籍
+PUT  {{Blogapi_HostAddress}}/api/blog/4
+Content-Type: application/json
+
+{
+  "id":"4",
+  "title": "西游记委屈额企鹅",
+  "author": "吴承恩"
+}
+
+
+###删除书籍
+DELETE {{Blogapi_HostAddress}}/api/blog/2
+
+
+###
diff --git "a/\351\203\221\345\256\266\347\202\234/sdad/IRepository.cs" "b/\351\203\221\345\256\266\347\202\234/sdad/IRepository.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..c596361214d78fa3163c1cba8553eb17e739764b
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/sdad/IRepository.cs"
@@ -0,0 +1,10 @@
+namespace Blogapi.IRepository;
+
+public interface IRepository<T>{
+    T GetByid(int id );
+    IEnumerable<T> GetList();
+    void Add(T entity);
+    void Update(T entity);
+    void Delete(T entity);
+
+}
\ No newline at end of file
diff --git "a/\351\203\221\345\256\266\347\202\234/sdad/Program.cs" "b/\351\203\221\345\256\266\347\202\234/sdad/Program.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..29af321282ad717e679e43436ead36f997731952
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/sdad/Program.cs"
@@ -0,0 +1,37 @@
+// using Microsoft.Extensions.Options;
+using Microsoft.EntityFrameworkCore;
+using Blogapi.Db;
+using Blogapi.DOmain;
+using Blogapi.IRepository;
+using Blogapi.Repository;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+builder.Services.AddControllers();
+string connectionString=builder.Configuration.GetConnectionString("BlogsConnection");
+builder.Services.AddDbContext<BlogDbContext>(options=>options.UseSqlServer(connectionString));
+builder.Services.AddScoped<IRepository<Blogs>,BlogRepository>();
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+app.UseCors(builder=>builder.AllowAnyHeader().AllowAnyOrigin().AllowAnyMethod());
+app.UseHttpsRedirection();
+app.MapControllers();
+
+
+
+app.Run();
+
+record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
+{
+    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+}
diff --git "a/\351\203\221\345\256\266\347\202\234/sdad/appsettings.json" "b/\351\203\221\345\256\266\347\202\234/sdad/appsettings.json"
new file mode 100644
index 0000000000000000000000000000000000000000..b32b3b70f2fae48512041eabb10a4e36351bb79b
--- /dev/null
+++ "b/\351\203\221\345\256\266\347\202\234/sdad/appsettings.json"
@@ -0,0 +1,12 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "ConnectionStrings": {
+    "BlogsConnection":"Server=.;Database=BlogDb3;User Id=sa;password=123456;trustservercertificate=true"
+  },
+  "AllowedHosts": "*"
+}