public void DoUploadImg() { HttpFileCollection fileCollection = System.Web.HttpContext.Current.Request.Files;//文件列表 var id = RequestParameters.PGuid("txtId2"); if (fileCollection.Count > 0) { HttpPostedFile file = fileCollection[0]; //当前文件后缀名 string ext = System.IO.Path.GetExtension(file.FileName).ToLower(); //验证文件类型是否正确 string[] arrayExtension = { ".gif", ".jpg", ".jpeg", ".png", ".bmp" }; if (!arrayExtension.Contains(ext)) { Response.Write("<script>window.parent.ImgUpload_Callback('-3');</script>"); return; } //验证文件的大小 if (file.ContentLength > 1024 * 1024 * 10)//10M { Response.Write("<script>window.parent.ImgUpload_Callback('-4');</script>"); return; } //当前文件上传的目录 string _fileSavePath = Server.MapPath("/Upload/CustomerHeadImg/"); //当前待上传的服务端路径 string _fileName = DateTime.Now.ToString("yyyyMMddhhmmss") + ext; //开始上传 try { if (!System.IO.Directory.Exists(_fileSavePath)) { System.IO.Directory.CreateDirectory(_fileSavePath); } file.SaveAs(_fileSavePath + _fileName); var cBll = new CustomerBll(); var cusItem = cBll.GetObjectById(id); if (cusItem != null) { Guid customerid = cusItem.ID; Guid welfareCentreId = cusItem.WelfareCentreID ?? Utits.WelfareCentreID; var isFlag = cBll.UpdateCustomerHeadImg(customerid, welfareCentreId, _fileName); if (isFlag == true) { Response.Write("<script>window.parent.ImgUpload_Callback('1|" + _fileName + "');</script>"); } else { Response.Write("<script>window.parent.ImgUpload_Callback('-1');</script>"); } } } catch { //上传失败 Response.Write("<script>window.parent.ImgUpload_Callback('-1');</script>"); return; } //这里window.parent.PictureUpload_Callback()是我在前端页面中写好的javascript function,此方法主要用于输出异常和上传成功后的图片地址 //如果成功返回的数据是需要返回两个字符串,我在这里使用了|分隔 例: 成功信息|/Test/hello.jpg Response.Write("<script>window.parent.ImgUpload_Callback('1|" + _fileName + "');</script>"); } else { //上传失败 Response.Write("<script>window.parent.ImgUpload_Callback('-1');</script>"); } }