webApi——通过文件流下载文件的实例

View

<div class="jumbotron"> <h1>Web Api下载文件示例</h1> <p><a href="http://localhost:60560/api/download/get_demo_file" class="btn btn-primary btn-lg">下载示例文件 »</a></p> </div>

---

using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Net; using System.Net.Http; using System.Net.Http.Headers; using System.Web.Http; namespace DownloadFileFromWebApi.Controllers { /// <summary> /// 实现的方法很简单，其中就是读取服务器的指定路径文件流，将其做为返回的HttpResponseMessage的Content /// </summary> [RoutePrefix("api/download")] public class DownloadController : ApiController { [HttpGet,Route("get_demo_file")] public HttpResponseMessage GetFileFromWebApi() { try { var FilePath = System.Web.Hosting.HostingEnvironment.MapPath(@"~/download/EditPlus64_xp85.com.zip"); var stream = new FileStream(FilePath, FileMode.Open); HttpResponseMessage response = new HttpResponseMessage(HttpStatusCode.OK); response.Content = new StreamContent(stream); response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream"); response.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment") { FileName = "Wep Api Demo File.zip" }; return response; } catch { return new HttpResponseMessage(HttpStatusCode.NoContent); } } } }