复制代码 代码如下:
 
#region URL中去除指定参数 
/// <summary> 
/// 中去除指定参数 
/// </summary> 
/// <param>地址</param> 
/// <param>参数</param> 
/// <returns></returns> 
public static string buildurl(string url, string param) 
{ 
string url1 = url; 
if (url.IndexOf(param) > 0) 
{ 
if (url.IndexOf("&", url.IndexOf(param) + param.Length) > 0) 
{ 
url1 = url.Substring(0, url.IndexOf(param) - 1) + url.Substring(url.IndexOf("&", url.IndexOf(param) + param.Length) + 1); 
} 
else 
{ 
url1 = url.Substring(0, url.IndexOf(param) - 1); 
} 
return url1; 
} 
else 
{ 
return url1; 
} 
} 
#endregion 
#region "获取页面url" 
/// <summary> 
/// 获取当前访问页面地址参数 
/// </summary> 
public static string GetScriptNameQueryString 
{ 
get 
{ 
return HttpContext.Current.Request.ServerVariables["QUERY_STRING"].ToString(); 
} 
} 
/// <summary> 
/// 获取当前访问页面地址 
/// </summary> 
public static string GetScriptName 
{ 
get 
{ 
return HttpContext.Current.Request.ServerVariables["SCRIPT_NAME"].ToString(); 
} 
} 
/// <summary> 
/// 获取当前访问页面Url 
/// </summary> 
public static string GetScriptUrl 
{ 
get 
{ 
return GetScriptNameQueryString == "" ? GetScriptName : string.Format("{0}?{1}", GetScriptName, GetScriptNameQueryString); 
} 
} 
/// <summary> 
/// 获取当前访问页面 参数 
/// </summary> 
public static string GetScriptNameQuery 
{ 
get 
{ 
return HttpContext.Current.Request.Url.Query; 
} 
} 
#endregion 
要去除多个参数,这么使用就可以了。buildurl(buildurl(buildurl(url,param1),param2),param3)
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