要在ASP.NET Core Web API的Swagger UI中显示文件输入的上传按钮,需要进行以下步骤:
首先,确保你的项目中已经添加了Swashbuckle.AspNetCore
包。可以通过NuGet包管理器或者在.csproj文件中手动添加来进行安装。
在Startup.cs文件的ConfigureServices方法中添加Swagger的配置:
using Microsoft.OpenApi.Models;
using Microsoft.Extensions.DependencyInjection;
public void ConfigureServices(IServiceCollection services)
{
services.AddControllers();
services.AddSwaggerGen(c =>
{
c.SwaggerDoc("v1", new OpenApiInfo { Title = "My API", Version = "v1" });
// 添加文件上传的支持
c.OperationFilter();
});
}
SwaggerFileUploadFilter
的类,并实现IOperationFilter
接口。在该类中,使用SwaggerGen
的API来添加文件上传的操作。using System.Linq;
using System.Reflection;
using Microsoft.AspNetCore.Http;
using Microsoft.OpenApi.Models;
using Swashbuckle.AspNetCore.SwaggerGen;
public class SwaggerFileUploadFilter : IOperationFilter
{
public void Apply(OpenApiOperation operation, OperationFilterContext context)
{
if (operation.Parameters == null)
{
return;
}
var fileParams = context.MethodInfo.GetParameters()
.Where(p => p.ParameterType == typeof(IFormFile))
.Select(p => new OpenApiFileParameter
{
Name = p.Name,
Description = "Upload File",
In = ParameterLocation.Query,
Required = true
});
foreach (var param in fileParams)
{
operation.Parameters.Add(param);
}
}
}
注意:在使用Swagger UI测试上传文件时,确保在Swagger UI的参数输入框中选择正确的文件类型(例如application/octet-stream
)。