Question

i 试图将蜂窝项目与......连接起来。 NET 7 AP。

允许所有来源的代码(startup.cs)是:

 app.UseCors(x => x
              .AllowAnyMethod()
              .AllowAnyHeader()
              .SetIsOriginAllowed(origin => true) // allow any origin

该法典通过手机向我的复印机(同一计算机上的手机和直网ar)提供包裹。

今天,我试图使同样的法典化,或至少允许只进入单人地址,因为现在没有成功。

这是<编码>program.cs中的代码。 i 试图操作:

builder.Services.AddCors(options =>
{
    var MyAllowSpecificOrigins = "_MyAllowSubdomainPolicy";
    options.AddPolicy(name: MyAllowSpecificOrigins,
        policy =>
        {
            policy.WithOrigins("http://localhost:4200")
                .SetIsOriginAllowedToAllowWildcardSubdomains();
        });
});

之后在中文本部分:

app.UseCors();
app.UseAuthorization();

i 仍然有CORS的错误,没有来自该网的任何答复头。

<>概要>:第7版的对应代码允许任何来源并避免CORS错误?

edited after Qing Guo response:

CORS的错误仍然存在: 我随函附上所有可能有助于的资料和守则。

页: 1

using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using myProjAPI.Data;
using Microsoft.AspNetCore.HttpOverrides;

var MyAllowSpecificOrigins = "_myAllowSpecificOrigins";
var builder = WebApplication.CreateBuilder(args);
builder.Services.AddCors(options =>
{

    options.AddPolicy(name: MyAllowSpecificOrigins,
        policy =>
        {
            policy.WithOrigins("http://localhost:4200")
                .SetIsOriginAllowedToAllowWildcardSubdomains();
        });
});
// Add services to the container.

builder.Services.AddControllers();
// Learn more about configuring Swagger/OpenAPI 
https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
builder.Services.AddDbContext<Context>(options => options
                .UseSqlServer(builder.Configuration
                .GetConnectionString("myProject")));

builder.Services.Configure<ForwardedHeadersOptions>(options =>
{
    options.ForwardedHeaders =
        ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
});


var app = builder.Build();

// Configure the HTTP request pipeline.
app.UseForwardedHeaders();
if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
   
}
app.UseRouting();

app.UseCors(MyAllowSpecificOrigins);
app.UseAuthorization();

app.MapControllers();

app.Run();

页: 1 Chrome DevTools:

https://i.stack.imgur.com/YZI6B.jpg”rel=“nofollow noreferer”>dev instruments rec0.1

https://i.stack.imgur.com/u2r63.jpg”rel=“nofollow noreferer”>dev instruments rec0.2

https://i.stack.imgur.com/wvYMM.jpg”rel=“nofollow noreferer”>dev instruments rec0.3

这是我的<代码>发射。

{
      "$schema": "https://json.schemastore.org/launchsettings.json",
      "iisSettings": {
        "windowsAuthentication": false,
        "anonymousAuthentication": true,
        "iisExpress": {
          "applicationUrl": "http://localhost:29309",
          "sslPort": 44358
        }
      },
      "profiles": {
        "http": {
          "commandName": "Project",
          "dotnetRunMessages": true,
          "launchBrowser": true,
          "launchUrl": "swagger",
          "applicationUrl": "http://localhost:5072",
          "environmentVariables": {
            "ASPNETCORE_ENVIRONMENT": "Development"
          }
        },
        "https": {
          "commandName": "Project",
          "dotnetRunMessages": true,
          "launchBrowser": true,
          "launchUrl": "swagger",
          "applicationUrl": "https://localhost:7106;http://localhost:5072",
          "environmentVariables": {
            "ASPNETCORE_ENVIRONMENT": "Development"
          }
        },
        "IIS Express": {
          "commandName": "IISExpress",
          "launchBrowser": true,
          "launchUrl": "swagger",
          "environmentVariables": {
            "ASPNETCORE_ENVIRONMENT": "Development"
          }
        }
      }
    }

感谢!

Answer 1

Try:

var  MyAllowSpecificOrigins = "_myAllowSpecificOrigins";

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddCors(options =>
{
    options.AddPolicy(name: MyAllowSpecificOrigins,
                      policy  =>
                      {
                            policy.WithOrigins("http://localhost:4200")
            .SetIsOriginAllowedToAllowWildcardSubdomains();
                      });
});


...app.UseRouting();

app.UseCors(MyAllowSpecificOrigins);

app.UseAuthorization();

参见:

CORS, 名称为政策和中等知识

edited after Qing Guo response:

友情链接