文件上传
HttpPostedFile postFile = Request.Files["imgFile"];
if(postFile.FileName!=String.Empty){
ex=postFile.FileName.Substring(postFile.FileName.LastIndexOf("."));
fileName= DateTime.Now.ToString("yyyyMMdd") + ex;
absPath=System.Web.HttpContext.Current.Server.MapPath("/img_ad/"+adTypeEn+"https://www.jb51.net/";);
if(!System.IO.Directory.Exists(absPath)) System.IO.Directory.CreateDirectory(absPath); //上传文件,要检查一下是否建立了相关目录
postFile.SaveAs(absPath+fileName);
}
文件删除
string sqlFile="select ('/img_ad/'+Ltrim(Rtrim(compName))+'https://www.jb51.net/'+Ltrim(Rtrim(fileName)))as adFile from adinfo where id="+sid;
object objAd=SqlComd.CreateSqlScalar(sqlFile);
if(objAd!=null){
string fName = Server.MapPath(objAd.ToString());
if(File.Exists(fName)) File.Delete(fName); //删除文件,别忘了检查一下有没有这个文件
}
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