开源是程序员的基本美德
/// <summary>
/// 网络文件是否存在
/// </summary>
/// <param name="url">网络路径</param>
/// <returns></returns>
private static bool NetFileExist(string url)
{
try
{
//创建根据网络地址的请求对象
System.Net.HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.CreateDefault(new Uri(url));
httpWebRequest.Method = "HEAD";
httpWebRequest.Timeout = 1000;
//返回响应状态是否是成功比较的布尔值
return ((HttpWebResponse)httpWebRequest.GetResponse()).StatusCode == HttpStatusCode.OK;
}
catch
{
return false;
}
}
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