hlzyWeb/API/Files.ashx

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<%@ WebHandler Language="c#" Class="File_WebHandler" Debug="true" %>

using System;
using System.Web;
using System.IO;
using System.Text.RegularExpressions;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
using System.Drawing;

public class File_WebHandler : IHttpHandler
{
    public void ProcessRequest(HttpContext context)
    {
        string action = context.Request["action"];

        switch (action)
        {
            case "LogoUpload":
                LogoUpload(context);
                break;
            case "BakUpload":
                BakUpload(context);
                break;
            default:
                break;
        }
    }
    
    public void LogoUpload(HttpContext context)
    {
        HttpFileCollection files = context.Request.Files;
        if (files.Count > 0)
        {
            for (int i = 0; i < files.Count; i++)
            {
                HttpPostedFile file = files[i];

                if (file.ContentLength > 0)
                {
                    string imageUrl = string.Empty;
                    if (file != null && !string.IsNullOrEmpty(file.FileName))
                    {
                        string uploadPath = Hidistro.Core.Globals.GetStoragePath() + "/Logo";
                        string newFilename = Guid.NewGuid().ToString("N", System.Globalization.CultureInfo.InvariantCulture) +
                                             Path.GetExtension(file.FileName);
                        //当前待上传的服务端路径
                        imageUrl = uploadPath + "/" + newFilename;
                        //当前文件后缀名
                        string ext = Path.GetExtension(file.FileName).ToLower();
                        //验证文件类型是否正确gif，jpeg，jpg，bmp，png
                        if (!ext.Equals(".gif") && !ext.Equals(".jpg") && !ext.Equals(".jpeg") && !ext.Equals(".png") && !ext.Equals(".bmp"))
                        {
                            //这里window.parent.uploadSuccess()是我在前端页面中写好的javascript function,此方法主要用于输出异常和上传成功后的图片地址
                            context.Response.Write("2");
                            context.Response.End();
                        }

                        string dlogo = context.Request["dlogo"];