CommonBussiness/admin/delimg.ashx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.IO;

namespace CommonBussiness.admin
{
    /// <summary>
    /// delimg 的摘要说明
    /// </summary>
    public class delimg : IHttpHandler
    {

        public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            string filepath = context.Request["img"].ToString();
            int r = 0;
            r = r + DelFile(filepath);
            context.Response.Write(r);
        }
        /// <summary>
        /// 文件删除
        /// </summary>
        /// <param name="filepath">文件路径</param>
        /// <returns></returns>
        public int DelFile(string filepath)
        {
            int Result = 0;
            filepath = System.Web.HttpContext.Current.Server.MapPath(filepath);
            if (File.Exists(filepath))//判断文件是否存在
            {
                FileInfo fi = new FileInfo(filepath);
                if (fi.Attributes.ToString().IndexOf("ReadOnly") != -1)
                {
                    fi.Attributes = FileAttributes.Normal;
                }
                File.Delete(filepath);//直接删除其中的文件 
                Result = 1;
            }
            else { Result = 0; }
            return Result;
        }
        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}