ASP.NET配置KindEditor文本编辑器图文教程
<%@ webhandler Language="C#" class="FileManager" %>
/**
* KindEditor ASP.NET
* 文件管理
*/
using System;
using System.Collections;
using System.Web;
using System.IO;
using System.Text.RegularExpressions;
using LitJson;
using System.Collections.Generic;
public class FileManager : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
String aspxUrl = context.Request.Path.Substring(0, context.Request.Path.LastIndexOf("/") + 1);
//根目录路径,相对路径
String rootPath = "http://www.cnblogs.com/attached/";
//根目录URL,可以指定绝对路径,比如 http://www.yoursite.com/attached/
String rootUrl = aspxUrl + "http://www.cnblogs.com/attached/";
//图片扩展名
String fileTypes = "gif,jpg,jpeg,png,bmp";
String currentPath = "";
String currentUrl = "";
String currentDirPath = "";
String moveupDirPath = "";
String dirPath = context.Server.MapPath(rootPath);
String dirName = context.Request.QueryString["dir"];
if (!String.IsNullOrEmpty(dirName)) {
if (Array.IndexOf("image,flash,media,file".Split(','), dirName) == -1) {
context.Response.Write("Invalid Directory name.");
context.Response.End();
}
dirPath += dirName + "/";
rootUrl += dirName + "/";
if (!Directory.Exists(dirPath)) {
Directory.CreateDirectory(dirPath);
}
}
//根据path参数,设置各路径和URL
String path = context.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 = context.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, @".."))
{
context.Response.Write("Access is not allowed.");
context.Response.End();
}
//最后一个字符不是/
if (path != "" && !path.EndsWith("/"))
{
context.Response.Write("Parameter is not valid.");
context.Response.End();
}
//目录不存在或不是目录
if (!Directory.Exists(currentPath))
{
context.Response.Write("Directory does not exist.");
context.Response.End();
}
//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;
case "name":
default:
Array.Sort(dirList, new NameSorter());
Array.Sort(fileList, new NameSorter());
break;
}
Hashtable result = new Hashtable();
result["moveup_dir_path"] = moveupDirPath;
result["current_dir_path"] = currentDirPath;
result["current_url"] = currentUrl;
result["total_count"] = dirList.Length + fileList.Length;
List
result["file_list"] = dirFileList;
for (int i = 0; i < dirList.Length; i++)
{
DirectoryInfo dir = new DirectoryInfo(dirList[i]);
Hashtable 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);
}
for (int i = 0; i < fileList.Length; i++)
{
FileInfo file = new FileInfo(fileList[i]);
Hashtable 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);
}
context.Response.AddHeader("Content-Type", "application/json; charset=UTF-8");
context.Response.Write(JsonMapper.ToJson(result));
context.Response.End();
}
public 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;
}
FileInfo xInfo = new FileInfo(x.ToString());
FileInfo yInfo = new FileInfo(y.ToString());
return xInfo.FullName.CompareTo(yInfo.FullName);
}
}
public 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;
}
FileInfo xInfo = new FileInfo(x.ToString());
FileInfo yInfo = new FileInfo(y.ToString());
return xInfo.Length.CompareTo(yInfo.Length);
}
}
public 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;
}
FileInfo xInfo = new FileInfo(x.ToString());
FileInfo yInfo = new FileInfo(y.ToString());
return xInfo.Extension.CompareTo(yInfo.Extension);
}
}
public bool IsReusable
{
get
{
return true;
}
}
}
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