用户头像模块代码

public async Task<ResultDto<ActionResult>> ImportCustomerLogo(string customerId, IFormFile file)
        {
            //var file = Request.Form.Files.FirstOrDefault();
            ResultDto<ActionResult> resultDto = new ResultDto<ActionResult>();
            CustomerDto customerDto = await _customerInfoService.GetCustomerInfoAsync(customerId);
            string[] allowFileType = { "jpg", "png" };
            if (!allowFileType.Contains(file.FileName.Substring(file.FileName.LastIndexOf(".") + 1, file.FileName.Length - file.FileName.LastIndexOf(".") - 1)))
            {
                resultDto.Msg = "只支持jpg或png格式的图片上传";
                return resultDto;
            }
            if (file.Length > 1024 * 1024)
            {
                resultDto.Msg = "文件总大小不能超过1M";
                return resultDto;
            }
            try
            {
                FrontCustomerInfo frontCustomerInfo = new FrontCustomerInfo();
                string path = Environment.CurrentDirectory + "\\Uploader\\CustomerLogo\\" + customerDto.CustomerName + customerDto.CustomerId;
                if (!Directory.Exists(path))
                {
                    Directory.CreateDirectory(path);
                }
                //以字节数组写入文件
                string filePath = path + "\\" + file.FileName;
                byte[] bytes;
                using (var stream = file.OpenReadStream())
                {
                    bytes = new byte[stream.Length];
                    var numToRead = stream.Length;
                    var numHasRead = 0;
                    do
                    {
                        int n = stream.Read(bytes, numHasRead, int.MaxValue);
                        numToRead -= n;
                        numHasRead += n;
                    }
                    while (numToRead > 0);
                }
                System.IO.File.WriteAllBytes(filePath, bytes);
                //保存logo信息
                frontCustomerInfo.CustomerId = customerId;
                frontCustomerInfo.CustomerProfile = filePath;
                await _customerInfoService.SaveFrontCustomerInfoAsync(frontCustomerInfo);
                resultDto.IsSuccess = true;
            }
            catch (Exception ex)
            {
                resultDto.Code = 500;
                resultDto.Msg = ex.GetMsgDetail("上传头像出错：");
                resultDto.IsSuccess = false;
            }
            return resultDto;
        }

　　

<button class="layui-btn  layui-btn-normal" style="margin:20px auto auto 20px;" onclick="selectFile()">选择多个文件</button>

<form id="uploaderForm" action="/Manager/Employee/ImportEmployeePhotos" method="post" enctype="multipart/form-data" >
<input id="uploader" type="file" name="uploader" hidden="hidden" multiple="multiple"/>
</form>

function selectFile() {
$("#uploader").click();
}

$("#uploader").change(function () {
            if ($(this).length != 0) {
                LoadingHint(0);
                $("#uploaderForm").ajaxSubmit({
                    dataType: "json",
                    resetForm: true,
                    data: {
                        employeeId: $.request("employeeId"),
                        attachmentTypeEnum: $.request("attachmentType")
                    },
                    success: function (data) {
                        if (data.Status == "y") {
                            dig.successcallback("导入成功！", function () {
                                $("#uploader").val("");
                                getEmployeePhotoAlbum($.request("employeeId"), $.request("attachmentType"))
                            });
                        }
                        else {
                            $("#uploader").val("");
                            layer.alert(data.Msg);
                        }
                    },
                    error: function (data) {
                        layer.alert(data.responseJSON.Msg);
                        $("#uploader").val("");
                    }
                })
            }
        })