工作用到文件上传的功能,在这个分享下 ~~
Controller:
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public class PictureController : Controller { private IHostingEnvironment hostingEnv; public PictureController(IHostingEnvironment env) { this .hostingEnv = env; } // GET: /<controller>/ public IActionResult Index() { return View(); } public IActionResult UploadFiles() { return View(); } [HttpPost] public IActionResult UploadFiles(IList<IFormFile> files) { long size = 0; foreach (var file in files) { var filename = ContentDispositionHeaderValue .Parse(file.ContentDisposition) .FileName .Trim( '"' ); //这个hostingEnv.WebRootPath就是要存的地址可以改下 filename = hostingEnv.WebRootPath + $ @"\{filename}" ; size += file.Length; using (FileStream fs = System.IO.File.Create(filename)) { file.CopyTo(fs); fs.Flush(); } } ViewBag.Message = $ "{files.Count} file(s) /{ size}bytes uploaded successfully!" ; return View(); } } |
view:
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< form asp-action = "UploadFiles" asp-controller = "Picture" method = "post" enctype = "multipart/form-data" > < input type = "file" name = "files" multiple /> < input type = "submit" value = "Upload Selected Files" /> </ form > |
文件是上传到wwwroot目录文件下的,这我也看不太懂还在学习,欢迎大家交流~~
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下面是jquery ajax方式上传的
post方式的action的z参数没用 因为只有一个post方式的会404错误所以又加了一个get的action
Controller:
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public IActionResult UploadFilesAjax() { return View(); } [HttpPost] public IActionResult UploadFilesAjax(string z) { long size = 0; var files = Request.Form.Files; foreach ( var file in files) { var filename = ContentDispositionHeaderValue .Parse(file.ContentDisposition) .FileName .Trim( '"' ); filename = @"C:\Users\lg.HL\Desktop " + $@" \{filename} "; size += file.Length; using (FileStream fs = System.IO.File.Create(filename)) { file.CopyTo(fs); fs.Flush(); } } string message = $" {files.Count} file(s) / { size}bytes uploaded successfully!"; return Json(message); } |
view
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< form method = "post" enctype = "multipart/form-data" > < input type = "file" id = "files" name = "files" multiple /> < input type = "button" id = "upload" value = "Upload Selected Files" /> </ form > |
jquery
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<script type= "text/javascript" > $(document).ready( function () { $( "#upload" ).click( function (evt) { var fileUpload = $( "#files" ).get(0); var files = fileUpload.files; var data = new FormData(); for ( var i = 0; i < files.length ; i++) { data.append(files[i].name, files[i]); } $.ajax({ type: "POST" , url: "/Picture/UploadFilesAjax" , contentType: false , processData: false , data: data, success: function (message) { alert(message); }, error: function () { alert( "There was error uploading files!" ); } }); }); }); </script> |
欢迎大家交流~ 以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://www.cnblogs.com/intro/p/6235396.html