//文件保存目录路径
const string SavePath = "/uploadfile/";
#region uploadJson
//
// GET: /KindEditorHandler/Upload
public ActionResult Upload()
{
////文件保存目录路径
//const string savePath = "/Content/Uploads/";
//文件保存目录URL
var saveUrl = SavePath;
//定义允许上传的文件扩展名
var extTable = new Hashtable
{
{"image", "gif,jpg,jpeg,png,bmp"},
{"flash", "swf,flv"},
{ "media", "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb"},
{ "file", "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2"}
};
//最大文件大小
const int maxSize = 2000000;
var imgFile = Request.Files["imgFile"];
if (imgFile == null)
{
return ShowError("请选择文件。");
}
var dirPath = Server.MapPath(SavePath);
if (!Directory.Exists(dirPath))
{
//return ShowError("上传目录不存在。" + dirPath);
Directory.CreateDirectory(dirPath);
}
var dirName = Request.QueryString["dir"];
if (String.IsNullOrEmpty(dirName))
{
dirName = "image";
}
if (!extTable.ContainsKey(dirName))
{
return ShowError("目录名不正确。");
}
var fileName = imgFile.FileName;
var extension = Path.GetExtension(fileName);
if (extension == null)
{
return ShowError("extension == null");
}
var fileExt = extension.ToLower();
if (imgFile.InputStream == null || imgFile.InputStream.Length > maxSize)
{
return ShowError("上传文件大小超过限制。");
}
if (String.IsNullOrEmpty(fileExt) ||
Array.IndexOf(((String)extTable[dirName]).Split(','), fileExt.Substring(1).ToLower()) == -1)
{
return 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。");
}
//创建文件夹
dirPath += dirName + "/";
saveUrl += dirName + "/";
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
var ymd = DateTime.Now.ToString("yyyyMMdd", DateTimeFormatInfo.InvariantInfo);
dirPath += ymd + "/";
saveUrl += ymd + "/";
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
var newFileName = DateTime.Now.ToString("yyyyMMddHHmmss_ffff", DateTimeFormatInfo.InvariantInfo) + fileExt;
var filePath = dirPath + newFileName;
imgFile.SaveAs(filePath);
var fileUrl = saveUrl + newFileName;
var hash = new Hashtable();
hash["error"] = 0;
hash["url"] = fileUrl;
return Json(hash, "text/html;charset=UTF-8");
}
private JsonResult ShowError(string message)
{
var hash = new Hashtable();
hash["error"] = 1;
hash["message"] = message;
return Json(hash, "text/html;charset=UTF-8");
}
#endregion
#region fileManagerJson
//
// GET: /KindEditorHandler/FileManager
public ActionResult FileManager()
{
////根目录路径，相对路径
//String rootPath = "/Content/Uploads/";
//根目录URL，可以指定绝对路径，比如 http://www.yoursite.com/attached/
var rootUrl = SavePath;
//图片扩展名
const string fileTypes = "gif,jpg,jpeg,png,bmp";
String currentPath;
String currentUrl;
String currentDirPath;
String moveupDirPath;
var dirPath = Server.MapPath(SavePath);
var dirName = Request.QueryString["dir"];
if (!String.IsNullOrEmpty(dirName))
{
if (Array.IndexOf("image,flash,media,file".Split(','), dirName) == -1)
{
return Content("Invalid Directory name.");
}
dirPath += dirName + "/";
rootUrl += dirName + "/";
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
}
//根据path参数，设置各路径和URL
var path = Request.QueryString["path"];
path = String.IsNullOrEmpty(path) ? "" : path;
if (path == "")
{
currentPath = dirPath;
currentUrl = rootUrl;
currentDirPath = "";
moveupDirPath = "";
}
else
{
currentPath = dirPath + path;
currentUrl = rootUrl + path;
currentDirPath = path;
moveupDirPath = Regex.Replace(currentDirPath, @"(.*?)[^\/]+\/$", "$1");
}
//排序形式，name or size or type
String order = Request.QueryString["order"];
order = String.IsNullOrEmpty(order) ? "" : order.ToLower();
//不允许使用..移动到上一级目录
if (Regex.IsMatch(path, @"\.\."))
{
return Content("Access is not allowed.");
}
//最后一个字符不是/
if (path != "" && !path.EndsWith("/"))
{
return Content("Parameter is not valid.");
}
//目录不存在或不是目录
if (!Directory.Exists(currentPath))
{
return Content("Directory does not exist.");
}
//遍历目录取得文件信息
string[] dirList = Directory.GetDirectories(currentPath);
string[] fileList = Directory.GetFiles(currentPath);
switch (order)
{
case "size":
Array.Sort(dirList, new NameSorter());
Array.Sort(fileList, new SizeSorter());
break;
case "type":
Array.Sort(dirList, new NameSorter());
Array.Sort(fileList, new TypeSorter());
break;
default:
Array.Sort(dirList, new NameSorter());
Array.Sort(fileList, new NameSorter());
break;
}
var result = new Hashtable();
result["moveup_dir_path"] = moveupDirPath;
result["current_dir_path"] = currentDirPath;
result["current_url"] = currentUrl;
result["total_count"] = dirList.Length + fileList.Length;
var dirFileList = new List<Hashtable>();
result["file_list"] = dirFileList;
foreach (var t in dirList)
{
var dir = new DirectoryInfo(t);
var hash = new Hashtable();
hash["is_dir"] = true;
hash["has_file"] = (dir.GetFileSystemInfos().Length > 0);
hash["filesize"] = 0;
hash["is_photo"] = false;
hash["filetype"] = "";
hash["filename"] = dir.Name;
hash["datetime"] = dir.LastWriteTime.ToString("yyyy-MM-dd HH:mm:ss");
dirFileList.Add(hash);
}
foreach (var t in fileList)
{
var file = new FileInfo(t);
var hash = new Hashtable();
hash["is_dir"] = false;
hash["has_file"] = false;
hash["filesize"] = file.Length;
hash["is_photo"] = (Array.IndexOf(fileTypes.Split(','), file.Extension.Substring(1).ToLower()) >= 0);
hash["filetype"] = file.Extension.Substring(1);
hash["filename"] = file.Name;
hash["datetime"] = file.LastWriteTime.ToString("yyyy-MM-dd HH:mm:ss");
dirFileList.Add(hash);
}
return Json(result, "text/html;charset=UTF-8", JsonRequestBehavior.AllowGet);
}
private class NameSorter : IComparer
{
public int Compare(object x, object y)
{
if (x == null && y == null)
{
return 0;
}
if (x == null)
{
return -1;
}
if (y == null)
{
return 1;
}
var xInfo = new FileInfo(x.ToString());
var yInfo = new FileInfo(y.ToString());
return String.CompareOrdinal(xInfo.FullName, yInfo.FullName);
}
}
private class SizeSorter : IComparer
{
public int Compare(object x, object y)
{
if (x == null && y == null)
{
return 0;
}
if (x == null)
{
return -1;
}
if (y == null)
{
return 1;
}
var xInfo = new FileInfo(x.ToString());
var yInfo = new FileInfo(y.ToString());
return xInfo.Length.CompareTo(yInfo.Length);
}
}
private class TypeSorter : IComparer
{
public int Compare(object x, object y)
{
if (x == null && y == null)
{
return 0;
}
if (x == null)
{
return -1;
}
if (y == null)
{
return 1;
}
var xInfo = new FileInfo(x.ToString());
var yInfo = new FileInfo(y.ToString());
return String.CompareOrdinal(xInfo.Extension, yInfo.Extension);
}
}
#endregion