#region 判断远程文件是否存在 /// <summary> /// 判断远程文件是否存在 /// </summary> /// <param name="fileUrl"></param> /// <returns></returns> public static bool RemoteFileExists(string fileUrl) { HttpWebRequest re = null; HttpWebResponse res = null; try { re = (HttpWebRequest)WebRequest.Create(fileUrl); res = (HttpWebResponse)re.GetResponse(); if (res.ContentLength != 0) { //MessageBox.Show("文件存在"); return true; } } catch (Exception) { //MessageBox.Show("无此文件"); return false; } finally { if (re != null) { re.Abort();//销毁关闭连接 } if (res != null) { res.Close();//销毁关闭响应 } } return false; } #endregion
原文地址:http://blog.csdn.net/jiankunking/article/details/46529485