.net core 跨域访问

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddCors(options =>

{

      // 这定义了一个名为 ``default`` 的 CORS 策略

      options.AddPolicy("default", policy =>

       {

             policy.AllowAnyOrigin()

                 .AllowAnyHeader()

                 .AllowAnyMethod();

         });

});

// Add services to the container.

builder.Services.AddControllers();

// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle

builder.Services.AddEndpointsApiExplorer();

builder.Services.AddSwaggerGen();

var app = builder.Build();

// Configure the HTTP request pipeline.

if (app.Environment.IsDevelopment())

{

    app.UseSwagger();

    app.UseSwaggerUI();

}

app.UseHttpsRedirection();

app.UseAuthorization();

app.MapControllers();

app.UseCors("default");

app.Run();