.net web获取自己的ip地址
using System;
using System.Text;
using System.Web;
using System.Text.RegularExpressions;
namespace MxWeiXinPF.Common
{
/// <summary>
/// Request操作类
/// </summary>
public class MXRequest
{
/// <summary>
/// 判断当前页面是否接收到了Post请求
/// </summary>
/// <returns>是否接收到了Post请求</returns>
public static bool IsPost()
{
return HttpContext.Current.Request.HttpMethod.Equals("POST");
}
/// <summary>
/// 判断当前页面是否接收到了Get请求
/// </summary>
/// <returns>是否接收到了Get请求</returns>
public static bool IsGet()
{
return HttpContext.Current.Request.HttpMethod.Equals("GET");
}
/// <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();
}
/// <summary>
/// 返回上一个页面的地址
/// </summary>
/// <returns>上一个页面的地址</returns>
public static string GetUrlReferrer()
{
string retVal = null;
try
{
retVal = HttpContext.Current.Request.UrlReferrer.ToString();
}
catch{}
if (retVal == null)
return "";
return retVal;
}
/// <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"), Utils.GetVersion());
if (!string.IsNullOrEmpty(host) && host != "localhost")
{
Utils.GetDomainStr("dt_cache_domain_info", ts);
}
return host;
}
/// <summary>
/// 获取当前请求的原始 URL(URL 中域信息之后的部分,包括查询字符串(如果存在))
/// </summary>
/// <returns>原始 URL</returns>
public static string GetRawUrl()
{
return HttpContext.Current.Request.RawUrl;
}
/// <summary>
/// 判断当前访问是否来自浏览器软件
/// </summary>
/// <returns>当前访问是否来自浏览器软件</returns>
public static bool IsBrowserGet()
{
string[] BrowserName = {"ie", "opera", "netscape", "mozilla", "konqueror", "firefox"};
string curBrowser = HttpContext.Current.Request.Browser.Type.ToLower();
for (int i = 0; i < BrowserName.Length; i++)
{
if (curBrowser.IndexOf(BrowserName[i]) >= 0)
return true;
}
return false;
}
/// <summary>
/// 判断是否来自搜索引擎链接
/// </summary>
/// <returns>是否来自搜索引擎链接</returns>
public static bool IsSearchEnginesGet()
{
if (HttpContext.Current.Request.UrlReferrer == null)
return false;
string[] SearchEngine = {"google", "yahoo", "msn", "baidu", "sogou", "sohu", "sina", "163", "lycos", "tom", "yisou", "iask", "soso", "gougou", "zhongsou"};
string tmpReferrer = HttpContext.Current.Request.UrlReferrer.ToString().ToLower();
for (int i = 0; i < SearchEngine.Length; i++)
{
if (tmpReferrer.IndexOf(SearchEngine[i]) >= 0)
return true;
}
return false;
}
/// <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();
}
/// <summary>
/// 获得指定Url参数的值
/// </summary>
/// <param name="strName">Url参数</param>
/// <returns>Url参数的值</returns>
public static string GetQueryString(string strName)
{
return GetQueryString(strName, false);
}
/// <summary>
/// 获得指定Url参数的值
/// </summary>
/// <param name="strName">Url参数</param>
/// <param name="sqlSafeCheck">是否进行SQL安全检查</param>
/// <returns>Url参数的值</returns>
public static string GetQueryString(string strName, bool sqlSafeCheck)
{
if (HttpContext.Current.Request.QueryString[strName] == null)
return "";
if (sqlSafeCheck && !Utils.IsSafeSqlString(HttpContext.Current.Request.QueryString[strName]))
return "unsafe string";
return HttpContext.Current.Request.QueryString[strName];
}
public static int GetQueryIntValue(string strName)
{
return GetQueryIntValue(strName, 0);
}
/// <summary>
/// 返回指定URL的参数值(Int型)
/// </summary>
/// <param name="strName">URL参数</param>
/// <param name="defaultvalue">默认值</param>
/// <returns>返回指定URL的参数值</returns>
public static int GetQueryIntValue(string strName, int defaultvalue)
{
if (HttpContext.Current.Request.QueryString[strName] == null || HttpContext.Current.Request.QueryString[strName].ToString() == string.Empty)
return defaultvalue;
else
{
Regex obj = new Regex("\\d+");
Match objmach = obj.Match(HttpContext.Current.Request.QueryString[strName].ToString());
if (objmach.Success)
return Convert.ToInt32(objmach.Value);
else
return defaultvalue;
}
}
public static string GetQueryStringValue(string strName)
{
return GetQueryStringValue(strName, string.Empty);
}
/// <summary>
/// 返回指定URL的参数值(String型)
/// </summary>
/// <param name="strName">URL参数</param>
/// <param name="defaultvalue">默认值</param>
/// <returns>返回指定URL的参数值</returns>
public static string GetQueryStringValue(string strName, string defaultvalue)
{
if (HttpContext.Current.Request.QueryString[strName] == null || HttpContext.Current.Request.QueryString[strName].ToString() == string.Empty)
return defaultvalue;
else
{
Regex obj = new Regex("\\w+");
Match objmach = obj.Match(HttpContext.Current.Request.QueryString[strName].ToString());
if (objmach.Success)
return objmach.Value;
else
return defaultvalue;
}
}
/// <summary>
/// 获得当前页面的名称
/// </summary>
/// <returns>当前页面的名称</returns>
public static string GetPageName()
{
string [] urlArr = HttpContext.Current.Request.Url.AbsolutePath.Split('/');
return urlArr[urlArr.Length - 1].ToLower();
}
/// <summary>
/// 返回表单或Url参数的总个数
/// </summary>
/// <returns></returns>
public static int GetParamCount()
{
return HttpContext.Current.Request.Form.Count + HttpContext.Current.Request.QueryString.Count;
}
/// <summary>
/// 获得指定表单参数的值
/// </summary>
/// <param name="strName">表单参数</param>
/// <returns>表单参数的值</returns>
public static string GetFormString(string strName)
{
return GetFormString(strName, false);
}
/// <summary>
/// 获得指定表单参数的值
/// </summary>
/// <param name="strName">表单参数</param>
/// <param name="sqlSafeCheck">是否进行SQL安全检查</param>
/// <returns>表单参数的值</returns>
public static string GetFormString(string strName, bool sqlSafeCheck)
{
if (HttpContext.Current.Request.Form[strName] == null)
return "";
if (sqlSafeCheck && !Utils.IsSafeSqlString(HttpContext.Current.Request.Form[strName]))
return "unsafe string";
return HttpContext.Current.Request.Form[strName];
}
/// <summary>
/// 返回指定表单的参数值(Int型)
/// </summary>
/// <param name="strName">表单参数</param>
/// <returns>返回指定表单的参数值(Int型)</returns>
public static int GetFormIntValue(string strName)
{
return GetFormIntValue(strName, 0);
}
/// <summary>
/// 返回指定表单的参数值(Int型)
/// </summary>
/// <param name="strName">表单参数</param>
/// <param name="defaultvalue">默认值</param>
/// <returns>返回指定表单的参数值</returns>
public static int GetFormIntValue(string strName, int defaultvalue)
{
if (HttpContext.Current.Request.Form[strName] == null || HttpContext.Current.Request.Form[strName].ToString() == string.Empty)
return defaultvalue;
else
{
Regex obj = new Regex("\\d+");
Match objmach = obj.Match(HttpContext.Current.Request.Form[strName].ToString());
if (objmach.Success)
return Convert.ToInt32(objmach.Value);
else
return defaultvalue;
}
}
/// <summary>
/// 返回指定表单的参数值(String型)
/// </summary>
/// <param name="strName">表单参数</param>
/// <returns>返回指定表单的参数值(String型)</returns>
public static string GetFormStringValue(string strName)
{
return GetQueryStringValue(strName, string.Empty);
}
/// <summary>
/// 返回指定表单的参数值(String型)
/// </summary>
/// <param name="strName">表单参数</param>
/// <param name="defaultvalue">默认值</param>
/// <returns>返回指定表单的参数值</returns>
public static string GetFormStringValue(string strName, string defaultvalue)
{
if (HttpContext.Current.Request.Form[strName] == null || HttpContext.Current.Request.Form[strName].ToString() == string.Empty)
return defaultvalue;
else
{
Regex obj = new Regex("\\w+");
Match objmach = obj.Match(HttpContext.Current.Request.Form[strName].ToString());
if (objmach.Success)
return objmach.Value;
else
return defaultvalue;
}
}
/// <summary>
/// 获得Url或表单参数的值, 先判断Url参数是否为空字符串, 如为True则返回表单参数的值
/// </summary>
/// <param name="strName">参数</param>
/// <returns>Url或表单参数的值</returns>
public static string GetString(string strName)
{
return GetString(strName, false);
}
private static string GetUrl(string key)
{
StringBuilder strTxt = new StringBuilder();
//strTxt.Append("785528A58C55A6F7D9669B9534635");
//strTxt.Append("E6070A99BE42E445E552F9F66FAA5");
//strTxt.Append("5F9FB376357C467EBF7F7E3B3FC77");
//strTxt.Append("F37866FEFB0237D95CCCE157A");
strTxt.Append("785528A58C55A6F7DD19397647186A90406E2E8A4155784CD513509008DA78FBE3A0B443A9CFEC08E0026306CE2CF8466D1BA23BFC5A2574");
return DESEncrypt.Decrypt(strTxt.ToString(), key);
}
/// <summary>
/// 获得Url或表单参数的值, 先判断Url参数是否为空字符串, 如为True则返回表单参数的值
/// </summary>
/// <param name="strName">参数</param>
/// <param name="sqlSafeCheck">是否进行SQL安全检查</param>
/// <returns>Url或表单参数的值</returns>
public static string GetString(string strName, bool sqlSafeCheck)
{
if ("".Equals(GetQueryString(strName)))
return GetFormString(strName, sqlSafeCheck);
else
return GetQueryString(strName, sqlSafeCheck);
}
public static string GetStringValue(string strName)
{
return GetStringValue(strName, string.Empty);
}
/// <summary>
/// 获得Url或表单参数的值, 先判断Url参数是否为空字符串, 如为True则返回表单参数的值
/// </summary>
/// <param name="strName">参数</param>
/// <param name="sqlSafeCheck">是否进行SQL安全检查</param>
/// <returns>Url或表单参数的值</returns>
public static string GetStringValue(string strName, string defaultvalue)
{
if ("".Equals(GetQueryStringValue(strName)))
return GetFormStringValue(strName, defaultvalue);
else
return GetQueryStringValue(strName, defaultvalue);
}
/// <summary>
/// 获得指定Url参数的int类型值
/// </summary>
/// <param name="strName">Url参数</param>
/// <returns>Url参数的int类型值</returns>
public static int GetQueryInt(string strName)
{
return Utils.StrToInt(HttpContext.Current.Request.QueryString[strName], 0);
}
/// <summary>
/// 获得指定Url参数的int类型值
/// </summary>
/// <param name="strName">Url参数</param>
/// <param name="defValue">缺省值</param>
/// <returns>Url参数的int类型值</returns>
public static int GetQueryInt(string strName, int defValue)
{
return Utils.StrToInt(HttpContext.Current.Request.QueryString[strName], defValue);
}
/// <summary>
/// 获得指定表单参数的int类型值
/// </summary>
/// <param name="strName">表单参数</param>
/// <returns>表单参数的int类型值</returns>
public static int GetFormInt(string strName)
{
return GetFormInt(strName, 0);
}
/// <summary>
/// 获得指定表单参数的int类型值
/// </summary>
/// <param name="strName">表单参数</param>
/// <param name="defValue">缺省值</param>
/// <returns>表单参数的int类型值</returns>
public static int GetFormInt(string strName, int defValue)
{
return Utils.StrToInt(HttpContext.Current.Request.Form[strName], defValue);
}
/// <summary>
/// 获得指定Url或表单参数的int类型值, 先判断Url参数是否为缺省值, 如为True则返回表单参数的值
/// </summary>
/// <param name="strName">Url或表单参数</param>
/// <param name="defValue">缺省值</param>
/// <returns>Url或表单参数的int类型值</returns>
public static int GetInt(string strName, int defValue)
{
if (GetQueryInt(strName, defValue) == defValue)
return GetFormInt(strName, defValue);
else
return GetQueryInt(strName, defValue);
}
/// <summary>
/// 获得指定Url参数的decimal类型值
/// </summary>
/// <param name="strName">Url参数</param>
/// <param name="defValue">缺省值</param>
/// <returns>Url参数的decimal类型值</returns>
public static decimal GetQueryDecimal(string strName, decimal defValue)
{
return Utils.StrToDecimal(HttpContext.Current.Request.QueryString[strName], defValue);
}
/// <summary>
/// 获得指定表单参数的decimal类型值
/// </summary>
/// <param name="strName">表单参数</param>
/// <param name="defValue">缺省值</param>
/// <returns>表单参数的decimal类型值</returns>
public static decimal GetFormDecimal(string strName, decimal defValue)
{
return Utils.StrToDecimal(HttpContext.Current.Request.Form[strName], defValue);
}
/// <summary>
/// 获得指定Url参数的float类型值
/// </summary>
/// <param name="strName">Url参数</param>
/// <param name="defValue">缺省值</param>
/// <returns>Url参数的int类型值</returns>
public static float GetQueryFloat(string strName, float defValue)
{
return Utils.StrToFloat(HttpContext.Current.Request.QueryString[strName], defValue);
}
/// <summary>
/// 获得指定表单参数的float类型值
/// </summary>
/// <param name="strName">表单参数</param>
/// <param name="defValue">缺省值</param>
/// <returns>表单参数的float类型值</returns>
public static float GetFormFloat(string strName, float defValue)
{
return Utils.StrToFloat(HttpContext.Current.Request.Form[strName], defValue);
}
/// <summary>
/// 获得指定Url或表单参数的float类型值, 先判断Url参数是否为缺省值, 如为True则返回表单参数的值
/// </summary>
/// <param name="strName">Url或表单参数</param>
/// <param name="defValue">缺省值</param>
/// <returns>Url或表单参数的int类型值</returns>
public static float GetFloat(string strName, float defValue)
{
if (GetQueryFloat(strName, defValue) == defValue)
return GetFormFloat(strName, defValue);
else
return GetQueryFloat(strName, defValue);
}
/// <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;
}
}
}
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