wenchuanyi/backend/WenChuanyi.Api/Program.cs

using System.Text;
using FreeSql;
using WenChuanyi.Api.Models;
using WenChuanyi.Api.Services;

Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddControllers();

// CORS：开发期前后端分离宽松策略；生产同目录同源不受影响
builder.Services.AddCors(o => o.AddPolicy("any", p => p.AllowAnyOrigin().AllowAnyHeader().AllowAnyMethod()));

// FreeSql + CodeFirst 自动建表
var fsql = new FreeSqlBuilder()
    .UseConnectionString(DataType.MySql, builder.Configuration.GetConnectionString("MySql")!)
    .UseAutoSyncStructure(true)
    .UseNoneCommandParameter(true)
    .Build();

try
{
    fsql.CodeFirst.SyncStructure<FileItem>();
}
catch (Exception ex)
{
    Console.WriteLine("[文传易] 数据库初始化失败：" + ex.Message);
    Console.WriteLine("[文传易] 请检查 appsettings.json 的 ConnectionStrings:MySql");
    Console.WriteLine("[文传易] （服务器 116.198.221.125:3306，账号 wenchuanyi 需具备建表权限）");
    throw;
}

builder.Services.AddSingleton<IFreeSql>(fsql);
builder.Services.AddSingleton<CodeGeneratorService>();
builder.Services.AddSingleton<OssStorageService>();
builder.Services.AddHostedService<ExpiredFileCleanerService>();

var app = builder.Build();

app.UseCors("any");

app.UseDefaultFiles();
app.UseStaticFiles();

app.MapControllers();
app.MapFallbackToFile("index.html");

app.Run();