public void ProcessRequest(HttpContext context)
{
this.context = context;
this.configFile = context.Request["configFile"]; // 配置文件
string action = this.context.Request["Action"]; // 操作名称
string type = context.Request["type"]; // 类别
string dirName = context.Request["dir"]; // 路径 = 类别
HttpPostedFile file = context.Request.Files["imgFile"]; // 上传的文件
string fileMaxSize = ConfigHelper.GetVal("FileMaxSize"); // 最大文件大小
//定义允许上传的文件扩展名
Hashtable extTable = new Hashtable();
extTable.Add("image", "gif,jpg,jpeg,png,bmp");
extTable.Add("flash", "swf,flv");
extTable.Add("media", "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb");
extTable.Add("file", "rtf,txt,doc,docx,xls,xlsx,ppt,pptx,pdf,zip,rar,gz,bz2");
if (file == null)
{
showError("请选择文件。");
}
string uploadUrl = GetUploadUrl();
//文件保存目录URL
string saveUrl = uploadUrl;
//文件保存目录路径
string savePath = context.Server.MapPath(uploadUrl);
//最大文件大小
int maxSize = 5; //5M
if (!string.IsNullOrEmpty(fileMaxSize)) maxSize = Convert.ToInt32(fileMaxSize);
maxSize = maxSize * 1024 * 1024;
// 上传文件大小是否超过限制
if (file.InputStream == null || file.InputStream.Length > maxSize)
{
showError("上传文件大小超过限制。");
}
string fileName = file.FileName;
// 获取扩展名
string fileExt = Path.GetExtension(fileName).ToLower();
// 上传文件是否为允许的文件类型
if (string.IsNullOrEmpty(fileExt) || Array.IndexOf(((string)extTable[dirName]).Split(','), fileExt.Substring(1).ToLower()) == -1)
{
showError("上传文件扩展名是不允许的扩展名。\n只允许" + ((string)extTable[dirName]) + "格式。");
}
if (!Directory.Exists(savePath))
{
//showError("上传目录不存在。");
Directory.CreateDirectory(savePath);
}
if (string.IsNullOrEmpty(dirName))
{
dirName = "image";
}
if (!extTable.ContainsKey(dirName))
{
showError("目录名不正确。");
}
//创建文件夹
savePath += dirName + "\\";
saveUrl += dirName + "/";
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}
string ymd = DateTime.Now.ToString("yyyyMMdd", DateTimeFormatInfo.InvariantInfo);
savePath += ymd + "\\";
saveUrl += ymd + "/";
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}
// 新文件名
string newFileName = DateTime.Now.ToString("yyyyMMddHHmmss_ffff_b", DateTimeFormatInfo.InvariantInfo) + fileExt;
// 新文件的完成路径
string filePath = savePath + newFileName;
// 保存
file.SaveAs(filePath);
// 需要返回的文件
string fileUrl = saveUrl + newFileName;
// 如果是图片文件
if (!string.IsNullOrEmpty(configFile) &&
!string.IsNullOrEmpty(dirName) &&
dirName.Equals("image") &&
IsRealImage(file))
{
string thumbnailFile = newFileName.Replace("_b", "_s");
string thumbnailFilePath = savePath + thumbnailFile;
int thumbnailWidth = 0, thumbnailHeight = 0;
int t = 0;
if (!int.TryParse(type, out t))
{
t = 0;
}
switch (t)
{
case 1://1：图文
case 2://2：产品
thumbnailWidth = ConfigHelper.GetVal<int>(configFile, "NewsThumbnailWidth");
thumbnailHeight = ConfigHelper.GetVal<int>(configFile, "NewsThumbnailHeight");
break;
case 3://3：图片
thumbnailWidth = ConfigHelper.GetVal<int>(configFile, "ImageThumbnailWidth");
thumbnailHeight = ConfigHelper.GetVal<int>(configFile, "ImageThumbnailHeight");
break;
case 4://4：产品
thumbnailWidth = ConfigHelper.GetVal<int>(configFile, "ProductThumbnailWidth");
thumbnailHeight = ConfigHelper.GetVal<int>(configFile, "ProductThumbnailHeight");
break;
}
thumbnailWidth = (thumbnailWidth == 0) ? 200 : thumbnailWidth;
thumbnailHeight = (thumbnailHeight == 0) ? 200 : thumbnailHeight;
ImageHelper.CreateThumbnailMode mode = ImageHelper.CreateThumbnailMode.CTM_NONE;
int m = ConfigHelper.GetVal<int>(configFile, "CreateThumbnailMode");
mode = (ImageHelper.CreateThumbnailMode)m;
ImageHelper imgHelper = new ImageHelper();
imgHelper.WatermarkInfo = getWatermarkInfo();
bool ret = true;
if (mode != ImageHelper.CreateThumbnailMode.CTM_NONE && (thumbnailWidth > 0 && thumbnailHeight > 0))
{
// 生成缩略图
ret = imgHelper.CreateThumbnail(filePath, thumbnailFilePath, thumbnailWidth, thumbnailHeight, mode);
if(ret) fileUrl = saveUrl + thumbnailFile;
}
// 添加水印
if (imgHelper.WatermarkInfo.AddWatermark == 1 || imgHelper.WatermarkInfo.AddWatermark == 3)
{
newFileName = "w_" + newFileName;
ret = imgHelper.addWaterMark(filePath, savePath + newFileName, true);
if (ret) fileUrl = saveUrl + newFileName;
}
if (imgHelper.WatermarkInfo.AddWatermark == 2 || imgHelper.WatermarkInfo.AddWatermark == 3)
{
thumbnailFile = "w_" + thumbnailFile;
ret = imgHelper.addWaterMark(thumbnailFilePath, savePath + thumbnailFile, false);
if (ret) fileUrl = saveUrl + thumbnailFile;
}
}
Hashtable hash = new Hashtable();
hash["error"] = 0;
hash["name"] = fileName;
hash["ext"] = fileExt;
hash["size"] = file.ContentLength;
hash["url"] = fileUrl;
context.Response.AddHeader("Content-Type", "text/html; charset=UTF-8");
if (action == "swfupload") // 如果是swfupload的请求，则直接返回文件路径
{
context.Response.Write(fileUrl);
}
else
{
context.Response.Write(JsonMapper.ToJson(hash));
}
context.Response.End();
}
protected override void btnSave_Click(object sender, EventArgs e)
{
if (action.Equals("add"))
{
ad = new cmsAd();
}
else
{
ad = ds.GetModel(id);
if (ad != null)
{
ad.Attach();
}
else
{
ad = new cmsAd();
}
}
ad.Type = Convert.ToInt32(ddlType.SelectedValue);
ad.Title = txtTitle.Text.Trim();
if (hidPicType1.Value.Equals("1"))
{
string imgUrl = ""; int maxSize = 5; //5M
string fileMaxSize = ConfigurationManager.AppSettings["FileMaxSize"];
if (!string.IsNullOrEmpty(fileMaxSize))
maxSize = Convert.ToInt32(fileMaxSize);
ImageHelper imgHelper = new ImageHelper();
ImageHelper.UploadStatus status = imgHelper.UploadImage(fuPic1.PostedFile, maxSize, 0, 0, ImageHelper.CreateThumbnailMode.CTM_CUT, ref imgUrl);
switch (status)
{
case ImageHelper.UploadStatus.US_NOT_FOUND:
break;
case ImageHelper.UploadStatus.US_TOO_LONG:
ScriptUtil.Alert("上传文件大小超过限制。");
return;
case ImageHelper.UploadStatus.US_NOT_SUPPORT:
ScriptUtil.Alert("上传文件扩展名是不允许的扩展名。\n只允许gif,jpg,jpeg,png,bmp格式。");
return;
case ImageHelper.UploadStatus.US_FAILED:
ScriptUtil.Alert("上传文件时服务器发生错误。");
return;
case ImageHelper.UploadStatus.US_SUCCESSED:
break;
}
txtPic1.Text = imgUrl;
}
if (hidPicType2.Value.Equals("1"))
{
string imgUrl = "";
int maxSize = 5; //5M
string fileMaxSize = ConfigurationManager.AppSettings["FileMaxSize"];
if (!string.IsNullOrEmpty(fileMaxSize))
maxSize = Convert.ToInt32(fileMaxSize);
ImageHelper imgHelper = new ImageHelper();
ImageHelper.UploadStatus status = imgHelper.UploadImage(fuPic2.PostedFile, maxSize, 0, 0, ImageHelper.CreateThumbnailMode.CTM_CUT, ref imgUrl);
switch (status)
{
case ImageHelper.UploadStatus.US_NOT_FOUND:
break;
case ImageHelper.UploadStatus.US_TOO_LONG:
ScriptUtil.Alert("上传文件大小超过限制。");
return;
case ImageHelper.UploadStatus.US_NOT_SUPPORT:
ScriptUtil.Alert("上传文件扩展名是不允许的扩展名。\n只允许gif,jpg,jpeg,png,bmp格式。");
return;
case ImageHelper.UploadStatus.US_FAILED:
ScriptUtil.Alert("上传文件时服务器发生错误。");
return;
case ImageHelper.UploadStatus.US_SUCCESSED:
break;
}
txtPic2.Text = imgUrl;
}
ad.Pics = txtPic1.Text + "|" + txtPic2.Text;
ad.Urls = txtUrl1.Text + "|" + txtUrl2.Text;
ad.Remark = txtMemo.Text;
ad.IsEnabled = chkEnabled.Checked ? 1 : 0;
try
{
int r = ds.SaveModel(ad);
if (action.Equals("add"))
{
ScriptUtil.ConfirmAndRedirect(@"广告添加成功！\n“确定”继续添加，“取消”则跳转到列表页。", "AdAdd.aspx?node=" + NodeCode, "AdList.aspx?node=" + NodeCode);
}
else
{
ScriptUtil.ConfirmAndRedirect(@"广告修改成功！\n“确定”留在本页，“取消”则跳转到列表页。", "", "AdList.aspx?node=" + NodeCode);
}
}
catch (Exception ex)
{
ScriptUtil.Alert(ex.Message);
Logger.Error(ex.Message);
}
}