允许跨域访问Cors

WebApi 项目Program.cs 配置

//允许跨域访问
builder.Services.AddCors(options =>
{
  options.AddPolicy("AllowAllOrigins", builder =>
  {
    builder.AllowAnyHeader();
    builder.AllowAnyMethod();
    builder.AllowAnyOrigin();
  });
});

　　

var app = builder.Build();
app.UseCors("AllowAllOrigins");//允许跨域访问