WebPortal_TongZhou/02.UI/upload/kindeditor/upload_json.ashx

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<%@ webhandler Language="C#" class="Upload" %>


using System;
using System.Collections;
using System.Web;
using System.IO;
using System.Globalization;
using LitJson;

public class Upload : IHttpHandler
{
	private HttpContext context;

	public void ProcessRequest(HttpContext context)
	{
		String aspxUrl = context.Request.Path.Substring(0, context.Request.Path.LastIndexOf("/") + 1);
		
		//文件保存目录路径
		String savePath = "attached/";

		//文件保存目录URL
		String saveUrl = aspxUrl + "attached/";

		//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", "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2");

		//最大文件大小
		int maxSize = 1000000;
		this.context = context;

		HttpPostedFile imgFile = context.Request.Files["imgFile"];
		if (imgFile == null)
		{
			showError("请选择文件。");
		}

		String dirPath = context.Server.MapPath(savePath);
		if (!Directory.Exists(dirPath))
		{
			showError("上传目录不存在。");
		}

		String dirName = context.Request.QueryString["dir"];
		if (String.IsNullOrEmpty(dirName)) {
			dirName = "image";
		}
		if (!extTable.ContainsKey(dirName)) {
			showError("目录名不正确。");
		}

		String fileName = imgFile.FileName;
		String fileExt = Path.GetExtension(fileName).ToLower();

		if (imgFile.InputStream == null || imgFile.InputStream.Length > maxSize)
		{