标签：search isnull etc 默认值 convert mozilla ram request param
///
/// 判断当前页面是否接收到了Post请求
///
/// 是否接收到了Post请求
public static bool IsPost()
{
return HttpContext.Current.Request.HttpMethod.Equals("POST");
}
///
/// 判断当前页面是否接收到了Get请求
///
/// 是否接收到了Get请求
public static bool IsGet()
{
return HttpContext.Current.Request.HttpMethod.Equals("GET");
}
///
/// 返回指定的服务器变量信息
///
/// 服务器变量名
/// 服务器变量信息
public static string GetServerString(string strName)
{
if (HttpContext.Current.Request.ServerVariables[strName] == null)
return "";
return HttpContext.Current.Request.ServerVariables[strName].ToString();
}
///
/// 返回上一个页面的地址
///
/// 上一个页面的地址
public static string GetUrlReferrer()
{
string retVal = null;
try
{
retVal = HttpContext.Current.Request.UrlReferrer.ToString();
}
catch { }
if (retVal == null)
return "";
return retVal;
}
///
/// 得到当前完整主机头
///
///
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;
}
///
/// 得到主机头
///
public static string GetHost()
{
return HttpContext.Current.Request.Url.Host;
}
///
/// 得到主机名
///
public static string GetDnsSafeHost()
{
return HttpContext.Current.Request.Url.DnsSafeHost;
}
///
/// 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))
///
/// 原始 URL
public static string GetRawUrl()
{
return HttpContext.Current.Request.RawUrl;
}
///
/// 判断当前访问是否来自浏览器软件
///
/// 当前访问是否来自浏览器软件
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 )
{
if (curBrowser.IndexOf(BrowserName[i]) >= 0)
return true;
}
return false;
}
///
/// 判断是否来自搜索引擎链接
///
/// 是否来自搜索引擎链接
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 )
{
if (tmpReferrer.IndexOf(SearchEngine[i]) >= 0)
return true;
}
return false;
}
///
/// 获得当前完整Url地址
///
/// 当前完整Url地址
public static string GetUrl()
{
return HttpContext.Current.Request.Url.ToString();
}
///
/// 获得指定Url参数的值
///
/// Url参数
/// Url参数的值
public static string GetQueryString(string strName)
{
return GetQueryString(strName, false);
}
///
/// 获得指定Url参数的值
///
/// Url参数
/// 是否进行SQL安全检查
/// Url参数的值
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);
}
///
/// 返回指定URL的参数值(Int型)
///
/// URL参数
/// 默认值
/// 返回指定URL的参数值
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);
}
///
/// 返回指定URL的参数值(String型)
///
/// URL参数
/// 默认值
/// 返回指定URL的参数值
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;
}
}
///
/// 获得当前页面的名称
///
/// 当前页面的名称
public static string GetPageName()
{
string[] urlArr = HttpContext.Current.Request.Url.AbsolutePath.Split(‘/‘);
return urlArr[urlArr.Length - 1].ToLower();
}
///
/// 返回表单或Url参数的总个数
///
///
public static int GetParamCount()
{
return HttpContext.Current.Request.Form.Count + HttpContext.Current.Request.QueryString.Count;
}
///
/// 获得指定表单参数的值
///
/// 表单参数
/// 表单参数的值
public static string GetFormString(string strName)
{
return GetFormString(strName, false);
}
///
/// 获得指定表单参数的值
///
/// 表单参数
/// 是否进行SQL安全检查
/// 表单参数的值
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];
}
///
/// 返回指定表单的参数值(Int型)
///
/// 表单参数
/// 返回指定表单的参数值(Int型)
public static int GetFormIntValue(string strName)
{
return GetFormIntValue(strName, 0);
}
///
/// 返回指定表单的参数值(Int型)
///
/// 表单参数
/// 默认值
/// 返回指定表单的参数值
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;
}
}
///
/// 返回指定表单的参数值(String型)
///
/// 表单参数
/// 返回指定表单的参数值(String型)
public static string GetFormStringValue(string strName)
{
return GetQueryStringValue(strName, string.Empty);
}
///
/// 返回指定表单的参数值(String型)
///
/// 表单参数
/// 默认值
/// 返回指定表单的参数值
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;
}
}
///
/// 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
///
/// 参数
/// Url或表单参数的值
public static string GetString(string strName)
{
return GetString(strName, false);
}
///
/// 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
///
/// 参数
/// 是否进行SQL安全检查
/// Url或表单参数的值
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);
}
///
/// 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
///
/// 参数
/// 是否进行SQL安全检查
/// Url或表单参数的值
public static string GetStringValue(string strName, string defaultvalue)
{
if ("".Equals(GetQueryStringValue(strName)))
return GetFormStringValue(strName, defaultvalue);
else
return GetQueryStringValue(strName, defaultvalue);
}
///
/// 获得指定Url参数的int类型值
///
/// Url参数
/// Url参数的int类型值
public static int GetQueryInt(string strName)
{
return Utils.StrToInt(HttpContext.Current.Request.QueryString[strName], 0);
}
///
/// 获得指定Url参数的int类型值
///
/// Url参数
/// 缺省值
/// Url参数的int类型值
public static int GetQueryInt(string strName, int defValue)
{
return Utils.StrToInt(HttpContext.Current.Request.QueryString[strName], defValue);
}
///
/// 获得指定表单参数的int类型值
///
/// 表单参数
/// 表单参数的int类型值
public static int GetFormInt(string strName)
{
return GetFormInt(strName, 0);
}
///
/// 获得指定表单参数的int类型值
///
/// 表单参数
/// 缺省值
/// 表单参数的int类型值
public static int GetFormInt(string strName, int defValue)
{
return Utils.StrToInt(HttpContext.Current.Request.Form[strName], defValue);
}
///
/// 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
///
/// Url或表单参数
/// 缺省值
/// Url或表单参数的int类型值
public static int GetInt(string strName, int defValue)
{
if (GetQueryInt(strName, defValue) == defValue)
return GetFormInt(strName, defValue);
else
return GetQueryInt(strName, defValue);
}
///
/// 获得指定Url参数的decimal类型值
///
/// Url参数
/// 缺省值
/// Url参数的decimal类型值
public static decimal GetQueryDecimal(string strName, decimal defValue)
{
return Utils.StrToDecimal(HttpContext.Current.Request.QueryString[strName], defValue);
}
///
/// 获得指定表单参数的decimal类型值
///
/// 表单参数
/// 缺省值
/// 表单参数的decimal类型值
public static decimal GetFormDecimal(string strName, decimal defValue)
{
return Utils.StrToDecimal(HttpContext.Current.Request.Form[strName], defValue);
}
///
/// 获得指定Url参数的float类型值
///
/// Url参数
/// 缺省值
/// Url参数的int类型值
public static float GetQueryFloat(string strName, float defValue)
{
return Utils.StrToFloat(HttpContext.Current.Request.QueryString[strName], defValue);
}
///
/// 获得指定表单参数的float类型值
///
/// 表单参数
/// 缺省值
/// 表单参数的float类型值
public static float GetFormFloat(string strName, float defValue)
{
return Utils.StrToFloat(HttpContext.Current.Request.Form[strName], defValue);
}
///
/// 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
///
/// Url或表单参数
/// 缺省值
/// Url或表单参数的int类型值
public static float GetFloat(string strName, float defValue)
{
if (GetQueryFloat(strName, defValue) == defValue)
return GetFormFloat(strName, defValue);
else
return GetQueryFloat(strName, defValue);
}
///
/// 获得当前页面客户端的IP
///
/// 当前页面客户端的IP
public static string GetIP()
{
try
{
string result = String.Empty;
result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (string.IsNullOrEmpty(result))
{
result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}
if (string.IsNullOrEmpty(result))
{
result = HttpContext.Current.Request.UserHostAddress;
}
if (string.IsNullOrEmpty(result) || !Utils.IsIP(result))
{
return "127.0.0.1";
}
return result;
}
catch (Exception ex)
{
System.Diagnostics.Trace.Write(ex.Message);
return HttpContext.Current.Request.UserHostAddress;
}
c# 封装 Request操作类
标签：search isnull etc 默认值 convert mozilla ram request param
原文地址：https://www.cnblogs.com/yuanzijian-ruiec/p/9715568.html