演示如何通过 web api 上传文件
WebApiWebFormHost/UploadFileController.cs
/* * 通过 web api 上传文件 */ using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Net.Http; using System.Threading.Tasks; using System.Web.Http; namespace MVC40.Controllers { public class UploadFileController : ApiController { public async Task<string> Post() { // 检查是否是 multipart/form-data if (!Request.Content.IsMimeMultipartContent("form-data")) throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType); // 设置上传目录 var provider = new MultipartFormDataStreamProvider(@"c:\temp"); // 接收数据，并保存文件 var bodyparts = await Request.Content.ReadAsMultipartAsync(provider); string result = ""; // 获取表单数据 result += "formData txtName: " + bodyparts.FormData["txtName"]; result += "<br />"; // 获取文件数据 result += "fileData headers: " + bodyparts.FileData[0].Headers; // 上传文件相关的头信息 result += "<br />"; result += "fileData localFileName: " + bodyparts.FileData[0].LocalFileName; // 文件在服务端的保存地址，需要的话自行 rename 或 move return result; } } }
WebApiWebFormHost/UploadDemo.cshtml
@{ Layout = null; } <!DOCTYPE html> <html> <head> <title>调用 web api 上传文件的 demo</title> </head> <body> @using (Html.BeginForm("UploadFile", "api", FormMethod.Post, new { enctype = "multipart/form-data" })) { <input type="text" id="txtName" name="txtName" value="webabcd" /> <div>please select a file</div> <input name="data" type="file" multiple /> <input type="submit" /> } </body> </html>