MVC+ajaxfileupload实现多图片同时上传

/// <summary> /// 图片上传 [FromBody]string type /// 单个图片最大支持200KB /// /// </summary> /// <returns></returns> [HttpPost] public JsonResult ImgUpload() { var result = new List<ImgUploadResult>(); // 定义允许上传的文件扩展名 const string fileTypes = "gif,jpg,jpeg,png,bmp"; // 最大文件大小(200KB) const int maxSize = 205000; // 获取附带POST参数值 var type = Request["type"]; // 设置上传目录 var imgPath = ""; switch (type) { case "file": imgPath = ConfigurationManager.AppSettings["HouseImgPath"]; break; case "video": imgPath = ConfigurationManager.AppSettings["HouseVideoPath"]; break; case "information": imgPath = ConfigurationManager.AppSettings["InformationPath"]; break; } // 存储文件服务器IP(内网) string fileComputerIP = ConfigurationManager.AppSettings["FileComputerIP"]; for (var fileId = 0; fileId < Request.Files.Count; fileId++) { var curFile = Request.Files[fileId]; if (curFile.ContentLength < 1) {continue;} else if (curFile.ContentLength > maxSize) { return this.JsonFormatError("上传文件中有图片大小超出200KB!"); } var fileExt = Path.GetExtension(curFile.FileName); if (String.IsNullOrEmpty(fileExt) || Array.IndexOf(fileTypes.Split(','), fileExt.Substring(1).ToLower()) == -1) { return this.JsonFormatError("上传文件中包含不支持文件格式!"); } else { // 存储文件名 string fullFileName = type + "_" + DateTime.Now.ToString("yyyyMMddhhmmssff") + CreateRandomCode(8) + fileExt; // 存储路径（绝对路径） string virtualPath = string.Format(@"\\{0}\{1}\{2}", fileComputerIP, imgPath, fullFileName); try { curFile.SaveAs(virtualPath); // 文件服务器端口号IP string fileComputerIPPort = ConfigurationManager.AppSettings["FileComputerIPNumber"]; result.Add(new ImgUploadResult() { FullFileName = fullFileName, ImgUrl = string.Format(@"http://{0}/{1}/{2}", (fileComputerIP + ":" + fileComputerIPPort), imgPath, fullFileName) }); } catch (Exception exception) { throw new Exception("上传失败!", exception); } } } return this.JsonFormatSuccess(result); } /// <summary> /// 生成指定长度的随机码。 /// </summary> private string CreateRandomCode(int length) { string[] codes = new string[36] { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" }; StringBuilder randomCode = new StringBuilder(); Random rand = new Random(); for (int i = 0; i < length; i++) { randomCode.Append(codes[rand.Next(codes.Length)]); } return randomCode.ToString(); }