C#_Fileuploadify

C#_Fileuploadify_notMvc

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="jqUploadify._Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>无标题页</title>
    <link href="scripts/uploadify.css" rel="stylesheet" type="text/css" />
    <link href="scripts/default.css" rel="stylesheet" type="text/css" />

    <script src="scripts/jquery-1.7.2.min.js" type="text/javascript"></script>

    <script src="scripts/swfobject.js" type="text/javascript"></script>

    <script src="scripts/jquery.uploadify.min.js" type="text/javascript"></script>

    <script type="text/javascript">
    $(function(){
        $("#file_upload").uploadify({
            //开启调试
            'debug' : false,
            //是否自动上传
            'auto':false,
            'buttonText':'选择照片',
            //flash
            'swf': "scripts/uploadify.swf",
            //文件选择后的容器ID
            'queueID':'uploadfileQueue',
            'uploader':'scripts/upload.ashx',
            'width':'75',
            'height':'24',
            'multi':false,
            'fileTypeDesc':'支持的格式：',
            'fileTypeExts':'*.jpg;*.jpge;*.gif;*.png',
            'fileSizeLimit':'1MB',
            'removeTimeout':1,

            //返回一个错误，选择文件的时候触发
            'onSelectError':function(file, errorCode, errorMsg){
                switch(errorCode) {
                    case -100:
                        alert("上传的文件数量已经超出系统限制的"+$('#file_upload').uploadify('settings','queueSizeLimit')+"个文件！");
                        break;
                    case -110:
                        alert("文件 ["+file.name+"] 大小超出系统限制的"+$('#file_upload').uploadify('settings','fileSizeLimit')+"大小！");
                        break;
                    case -120:
                        alert("文件 ["+file.name+"] 大小异常！");
                        break;
                    case -130:
                        alert("文件 ["+file.name+"] 类型不正确！");
                        break;
                }
            },
            //检测FLASH失败调用
            'onFallback':function(){
                alert("您未安装FLASH控件，无法上传图片！请安装FLASH控件后再试。");
            },
            //上传到服务器，服务器返回相应信息到data里
            'onUploadSuccess':function(file, data, response){
                //alert(data);
            }
        });
    });

    function doUplaod(){
        $('#file_upload').uploadify('upload','*');
    }

    function closeLoad(){
        $('#file_upload').uploadify('cancel','*');
    }


    </script>

</head>
<body>
    <table width="704" border="0" align="center" cellpadding="0" cellspacing="0" id="__01">
        <tr>
            <td align="center" valign="middle">
                <div id="uploadfileQueue" style="padding: 3px;">
                </div>
                <div id="file_upload">
                </div>
            </td>
        </tr>
        <tr>
            <td height="50" align="center" valign="middle">
                <img alt="" src="images/BeginUpload.gif" width="77" height="23" onclick="doUplaod()" style="cursor: hand" />
                <img alt="" src="images/CancelUpload.gif" width="77" height="23" onclick="closeLoad()" style="cursor: hand" />
            </td>
        </tr>
    </table>
</body>
</html>

using System;
using System.Collections;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Linq;
using System.Web.SessionState;
using System.IO;

namespace jqUploadify.scripts
{
    /// <summary>
    /// $codebehindclassname$ 的摘要说明
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    public class upload : IHttpHandler, IRequiresSessionState
    {

        public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            context.Response.Charset = "utf-8";

            HttpPostedFile file = context.Request.Files["Filedata"];
            string uploadPath = context.Server.MapPath("..\uploads\");

            if (file != null)
            {
                if (!Directory.Exists(uploadPath))
                {
                    Directory.CreateDirectory(uploadPath);
                }
                file.SaveAs(uploadPath + file.FileName);
                //生成缩略图
                MakeThumbnail(uploadPath + file.FileName, uploadPath + "\s\" + file.FileName, 80, 80);
            }
        }

        private void MakeThumbnail(string sourcePath, string newPath, int width, int height)
        {
            System.Drawing.Image ig = System.Drawing.Image.FromFile(sourcePath);
            int towidth = width;
            int toheight = height;
            int x = 0;
            int y = 0;
            int ow = ig.Width;
            int oh = ig.Height;
            if ((double)ig.Width / (double)ig.Height > (double)towidth / (double)toheight)
            {
                oh = ig.Height;
                ow = ig.Height * towidth / toheight;
                y = 0;
                x = (ig.Width - ow) / 2;

            }
            else
            {
                ow = ig.Width;
                oh = ig.Width * height / towidth;
                x = 0;
                y = (ig.Height - oh) / 2;
            }
            System.Drawing.Image bitmap = new System.Drawing.Bitmap(towidth, toheight);
            System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap);
            g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
            g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
            g.Clear(System.Drawing.Color.Transparent);
            g.DrawImage(ig, new System.Drawing.Rectangle(0, 0, towidth, toheight), new System.Drawing.Rectangle(x, y, ow, oh), System.Drawing.GraphicsUnit.Pixel);
            try
            {
                bitmap.Save(newPath, System.Drawing.Imaging.ImageFormat.Jpeg);
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                ig.Dispose();
                bitmap.Dispose();
                g.Dispose();
            }

        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}