前臺代碼：
/*修改頭像*/ //上傳 function _sc() { $(".ckfile").html("").CSS("color", "#535353"); $("#_userImgPath").val(""); var str = $("#file").val(); if ($.trim(str) == "") { $(".ckfile").html("請選擇文件。").css("color", "red"); return false; } else { var postfix = str.substring(str.lastIndexOf(".") + 1).toUpperCase(); if (postfix == "JPG" || postfix == "JPEG" || postfix == "PNG" || postfix == "GIF" || postfix == "BMP") { $('#showimg').attr('src', 'Images/loading.gif').attr("title", "上傳中，請稍后&hellPRivate long size = 1024; //文件類型 private string type = ".jpg|.jpeg|.png|.gif|.bmp"; //保存名稱 string name = ""; //保存路徑 private string path = @"Upload/UserImg"; //保存大小 private string shape = "100*100"; protected void Page_Load(object sender, EventArgs e) { HttpFileCollection files = Request.Files; if (files != null && files.Count > 0) { name = BaseRole.Instance.UserId.ToString(); if (Request.QueryString["size"] != null) { size = Convert.ToInt32(Request.QueryString["size"]); } if (Request.QueryString["path"] != null) { path = Request.QueryString["path"].ToString().Trim().Replace('|', '/'); } if (Request.QueryString["name"] != null) { name = Request.QueryString["name"].ToString().Trim(); } if (Request.QueryString["shape"] != null) { shape = Request.QueryString["shape"].ToString().Trim(); } uploadMethod(files); } } /// <summary> /// 上傳圖片 /// </summary> /// <param name="hc"></param> public void uploadMethod(HttpFileCollection hc) { HttpPostedFile _file = hc[0]; //文件大小 long _size = _file.ContentLength; if (_size <= 0) { Response.Write("文件錯誤。"); Response.End(); return; } if (size * 1024 < _size) { Response.Write("文件過大,最大限制為" + size + "KB。"); Response.End(); return; } //文件名 string _name = _file.FileName; //文件格式 string _tp = System.IO.Path.GetExtension(_name).ToLower(); if (type.IndexOf(_tp) == -1) { Response.Write("文件格式錯誤。"); Response.End(); return; } //保存路徑 string _path = HttpContext.Current.Server.MapPath(path) + @"/" + name + _tp; try { int w = Convert.ToInt32(shape.Split('*')[0]); int h = Convert.ToInt32(shape.Split('*')[1]); ImageHelper.CutForCustom(_file, _path, w, h, 50); Response.Write(path + @"/" + name + _tp); } catch (Exception) { Response.Write("哎呦，出錯了。"); Response.End(); } } } }新聞熱點
疑難解答
