- 摘要
本文主要总计，在mvc5中前台上传文件的几种方式。
- 后台代码
_hostingEnvironment为IHostingEnvironment 用于获取当前程序物理路径
_hostingEnvironment.WebRootPath 获取路径 “程序根目录/wwwroot”
[HttpPost] ???????public ActionResult UploadFile(List<IFormFile> files) ???????{ ???????????string name = Guid.NewGuid().ToString("n"); ???????????string filePath = _hostingEnvironment.WebRootPath+@"/Files/"; ???????????foreach (var formFile in files) ???????????{ ???????????????string ext = System.IO.Path.GetExtension(formFile.FileName); ???????????????System.IO.Directory.CreateDirectory(filePath); ???????????????if (formFile.Length > 0) ???????????????{ ???????????????????string path = filePath + name + ext; ???????????????????using (var stream = new FileStream(path, FileMode.Create)) ???????????????????{ ???????????????????????formFile.CopyToAsync(stream); ???????????????????} ???????????????} ???????????} ???????????return RedirectToAction("List"); ???????}- 前台代码
- 传统表单上传文件
<form method="post" enctype="multipart/form-data" action="@Url.Action("UploadFile")"> ???<div class="form-group"> ???????<div class="col-md-10"> ???????????<p>选择文件</p> ???????????<input type="file" name="files" multiple /> ???????</div> ???</div> ???<div class="form-group"> ???????<div class="col-md-10"> ???????????<input type="submit" value="上 传" /> ???????</div> ???</div></form>2.使用ajax上传文件
1 <form enctype="multipart/form-data"> 2 ????<div class="form-group"> 3 ????????<div class="col-md-10"> 4 ????????????<p>选择文件</p> 5 ????????????<input type="file" id="file" name="files" multiple /> 6 ????????</div> 7 ????</div> 8 ????<div class="form-group"> 9 ????????<div class="col-md-10">10 ????????????<input type="button" onclick="ajaxupload()" value="ajax上传" />11 ????????????<input type="button" onclick="formdataupload()" value="formdata对象上 传" />12 ????????????<input type="button" onclick="uploadfile()" value="上 传" />13 ????????</div>14 ????</div>15 </form>16 17 <script>18 ????function ajaxupload() {19 ????????var form = new FormData(document.querySelector("form"));20 ????????$.ajax({21 ????????????url: "@Url.Action("UploadFile")",22 ????????????type: "POST",23 ????????????data: form,24 ????????????processData: false, ?// 不处理数据25 ????????????contentType: false ??// 不设置内容类型26 ????????});27 ????}28 </script>3.FormData对象文件上传
1 <script>2 ????function formdataupload() {3 4 ????????var formdata = new FormData(document.querySelector("form"));5 ????????var requst = new XMLHttpRequest();6 ????????requst.open("post", "@Url.Action("UploadFile")");7 ????????requst.send(formdata);8 ????}9 </script>参考地址
https://developer.mozilla.org/zh-CN/docs/Web/API/FormData/Using_FormData_Objects
表单上传文件，asp.net mvc5
原文地址：https://www.cnblogs.com/kmdatong/p/9211124.html