WebUI/AchieveManageWeb/file_manager_json.ashx.cs

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using LitJson;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text.RegularExpressions;
using System.Web;

namespace AchieveManageWeb
{
    /// <summary>
    /// file_manager_json 的摘要说明
    /// </summary>
    public class file_manager_json : 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 = "/attached/";
            //根目录URL，可以指定绝对路径，比如 http://www.yoursite.com/attached/
            String rootUrl = aspxUrl + "/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
            {