layui.use(‘upload‘, function () { ???var upload = layui.upload; ???upload.render({ ?????elem: ‘#LAY_avatarUpload‘ ?????, url: setter.apiDomain + ‘/api/WxPay/UploadFileByStream_Head‘ ?????, choose: function (obj) { ???????//将每次选择的文件追加到文件队列 ???????var files = obj.pushFile(); ???????//预读本地文件，如果是多文件，则会遍历。(不支持ie8/9) ???????obj.preview(function (index, file, result) { ?????????console.log(index); //得到文件索引 ?????????console.log(file); //得到文件对象 ?????????console.log(result); //得到文件base64编码，比如图片 ?????????//obj.resetFile(index, file, ‘123.jpg‘); //重命名文件名，layui 2.3.0 开始新增 ?????????//这里还可以做一些 append 文件列表 DOM 的操作 ?????????//obj.upload(index, file); //对上传失败的单个文件重新上传，一般在某个事件中使用 ?????????//delete files[index]; //删除列表中对应的文件，一般在某个事件中使用 ???????}); ?????} ?????, done: function (index, res) { ???????//上传完毕回调 ???????if (index.Data.Url != "") { ?????????var url = index.Data.Url; ?????????$(".UserHeadImgUrl").attr(‘src‘, setter.apiDomain + url); ???????} ???????var UserHeadImgUrl = $(‘.UserHeadImgUrl‘).attr("src"); ???????var url = ‘/api/Userinformation/EditImg‘; ?????????????????----这个主要就是更改字段，就没粘上来 ???????var parment = { ?????????UserHeadImgUrl: UserHeadImgUrl ???????} ???????callpack = function () ???????{ ???????} ???????admin.ajax(url, parment, callpack) ?????} ?????, error: function (index) { ???????//请求异常回调 ?????} ???}); ?})
------------接口 UploadFileByStream_Headpublic ResultInfo<UploadFileResponseModel> UploadFileByStream_Head() ???????{ ???????????var info = new ResultInfo<UploadFileResponseModel>(); ???????????try ???????????{ ???????????????#region 校验数据 ???????????????if (!Request.Content.IsMimeMultipartContent()) ???????????????{ ???????????????????info.Result = false; ???????????????????info.StatusCode = (int)StatusCodeEnum.HttpRequestError; ???????????????????info.State = StatusCodeEnum.HttpRequestError.ToString(); ???????????????????info.Msg = "不是有效的上传方式"; ???????????????????return info; ???????????????} ???????????????if (HttpContext.Current.Request.Files.Count <= 0) ???????????????{ ???????????????????info.Result = false; ???????????????????info.StatusCode = (int)StatusCodeEnum.HttpRequestError; ???????????????????info.State = StatusCodeEnum.HttpRequestError.ToString(); ???????????????????info.Msg = "没有上传文件"; ???????????????????return info; ???????????????} ???????????????#endregion ???????????????var resInfo = new UploadFileResponseModel(); ???????????????HttpPostedFile file = HttpContext.Current.Request.Files[0]; ???????????????var ext = Path.GetExtension(file.FileName); ???????????????var fileName = DateTime.Now.ToString("yyyyMMddHHmmss") + "_" + Funcs.GetRandom(1000000, 10000000) + ext; ???????????????var filesName = DateTime.Now.ToString("yyyyMMddHH"); ???????????????var url = "/Upload/Consignor/Img/" + filesName + "/" + fileName; ???????????????var path = HttpContext.Current.Server.MapPath("/Upload/Consignor/Img/" + filesName + "/"); ???????????????Directory.CreateDirectory(path); ???????????????var fullFileName = path + fileName; ???????????????file.SaveAs(fullFileName); ???????????????//返回数据 ???????????????resInfo.FileName = fileName; ???????????????resInfo.ImagesType = "接口上传Stream"; ???????????????resInfo.LocalPath = file.FileName; ???????????????resInfo.Url = url; ???????????????info.Result = true; ???????????????info.StatusCode = (int)StatusCodeEnum.Success; ???????????????info.State = StatusCodeEnum.Success.ToString(); ???????????????info.Data = resInfo; ???????????????info.Msg = "上传成功"; ???????????????return info; ???????????} ???????????catch (Exception ex) ???????????{ ???????????????string msg = "出现异常：" + ex.Message; ???????????????info.Result = false; ???????????????info.StatusCode = (int)StatusCodeEnum.Error; ???????????????info.State = StatusCodeEnum.Error.ToString(); ???????????????info.Msg = msg; ???????????????return info; ???????????} ???????}；
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?Layui上传图片 带接口
原文地址：https://www.cnblogs.com/lvqianqian/p/10057666.html