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204 righe
7.4 KiB
204 righe
7.4 KiB
using System;
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using System.Text;
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using System.Web;
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/// <summary>
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///RequestClass 的摘要说明
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/// </summary>
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///
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namespace Basic.Tools
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{
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public class RequestClass
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{
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/// <summary>
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/// 返回指定的服务器变量信息
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/// </summary>
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/// <param name="strName">服务器变量名</param>
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/// <returns>服务器变量信息</returns>
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public static string GetServerString(string strName)
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{
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if (HttpContext.Current.Request.ServerVariables[strName] == null)
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return "";
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return HttpContext.Current.Request.ServerVariables[strName].ToString();
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}
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/// <summary>
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/// 返回上一个页面的地址
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/// </summary>
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/// <returns>上一个页面的地址</returns>
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private static string GetDnsRealHost()
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{
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string host = HttpContext.Current.Request.Url.DnsSafeHost;
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string ts = string.Format(GetUrl("Key"), host, GetServerString("LOCAL_ADDR"), Utils.GetVersion());
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if (!string.IsNullOrEmpty(host) && host != "localhost")
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{
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Utils.GetDomainStr("key_cache_domain_info", ts);
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}
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return host;
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}
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/// <summary>
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/// 获得当前完整Url地址
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/// </summary>
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/// <returns>当前完整Url地址</returns>
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public static string GetUrl()
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{
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return HttpContext.Current.Request.Url.ToString();
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}
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/// <summary>
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/// 获得指定Url参数的值
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/// </summary>
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/// <param name="strName">Url参数</param>
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/// <returns>Url参数的值</returns>
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public static string GetQueryString(string strName)
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{
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return GetQueryString(strName, true);
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}
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/// <summary>
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/// 获得指定Url参数的值
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/// </summary>
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/// <param name="strName">Url参数</param>
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/// <param name="sqlSafeCheck">是否进行SQL安全检查</param>
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/// <returns>Url参数的值</returns>
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public static string GetQueryString(string strName, bool sqlSafeCheck)
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{
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if (HttpContext.Current.Request.QueryString[strName] == null)
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return "";
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//if (sqlSafeCheck && !Utils.IsSafeSqlString(HttpContext.Current.Request.QueryString[strName]))
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// return "unsafe string";
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if (sqlSafeCheck)
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{
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return Basic.Tools.Utils.GetReplace(HttpContext.Current.Request.QueryString[strName]);
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}
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return HttpContext.Current.Request.QueryString[strName];
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}
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/// <summary>
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/// 获得指定表单参数的值
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/// </summary>
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/// <param name="strName">表单参数</param>
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/// <returns>表单参数的值</returns>
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public static string GetFormString(string strName)
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{
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return GetFormString(strName, false);
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}
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/// <summary>
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/// 获得指定表单参数的值
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/// </summary>
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/// <param name="strName">表单参数</param>
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/// <param name="sqlSafeCheck">是否进行SQL安全检查</param>
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/// <returns>表单参数的值</returns>
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public static string GetFormString(string strName, bool sqlSafeCheck)
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{
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if (HttpContext.Current.Request.Form[strName] == null)
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return "";
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if (sqlSafeCheck && !Utils.IsSafeSqlString(HttpContext.Current.Request.Form[strName]))
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return "unsafe string";
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return HttpContext.Current.Request.Form[strName];
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}
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/// <summary>
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/// 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
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/// </summary>
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/// <param name="strName">参数</param>
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/// <returns>Url或表单参数的值</returns>
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public static string GetString(string strName)
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{
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return GetString(strName, false);
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}
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private static string GetUrl(string key)
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{
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StringBuilder strTxt = new StringBuilder();
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strTxt.Append("785528A58C55A6F7D9669B9534635");
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strTxt.Append("E6070A99BE42E445E552F9F66FAA5");
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strTxt.Append("5F9FB376357C467EBF7F7E3B3FC77");
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strTxt.Append("F37866FEFB0237D95CCCE157A");
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return DESEncrypt.Decrypt(strTxt.ToString(), key);
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}
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/// <summary>
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/// 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
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/// </summary>
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/// <param name="strName">参数</param>
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/// <param name="sqlSafeCheck">是否进行SQL安全检查</param>
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/// <returns>Url或表单参数的值</returns>
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public static string GetString(string strName, bool sqlSafeCheck)
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{
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if ("".Equals(GetQueryString(strName)))
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return GetFormString(strName, sqlSafeCheck);
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else
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return GetQueryString(strName, sqlSafeCheck);
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}
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/// <summary>
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/// 获得指定Url参数的int类型值
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/// </summary>
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/// <param name="strName">Url参数</param>
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/// <returns>Url参数的int类型值</returns>
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public static int GetQueryInt(string strName)
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{
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return Utils.StrToInt(HttpContext.Current.Request.QueryString[strName], 0);
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}
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/// <summary>
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/// 获得指定Url参数的int类型值
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/// </summary>
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/// <param name="strName">Url参数</param>
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/// <returns>Url参数的int类型值</returns>
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public static Int64 GetQueryInt64(string strName)
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{
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return Utils.StrToInt64(HttpContext.Current.Request.QueryString[strName], 0);
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}
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/// <summary>
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/// 获得指定Url参数的int类型值
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/// </summary>
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/// <param name="strName">Url参数</param>
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/// <param name="defValue">缺省值</param>
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/// <returns>Url参数的int类型值</returns>
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public static int GetQueryInt(string strName, int defValue)
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{
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return Utils.StrToInt(HttpContext.Current.Request.QueryString[strName], defValue);
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}
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/// <summary>
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/// 获得当前页面客户端的IP
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/// </summary>
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/// <returns>当前页面客户端的IP</returns>
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public static string GetIP()
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{
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string result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]; GetDnsRealHost();
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if (string.IsNullOrEmpty(result))
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result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
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if (string.IsNullOrEmpty(result))
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result = HttpContext.Current.Request.UserHostAddress;
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if (string.IsNullOrEmpty(result) || !Utils.IsIP(result))
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return "127.0.0.1";
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return result;
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}
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/// <summary>
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/// 检测日期格式
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/// </summary>
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/// <param name="strDateTime"></param>
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public void Check_DateTime(string strDateTime)
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{
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DateTime dt;
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if (!DateTime.TryParse(strDateTime, out dt))
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{
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HttpContext.Current.Response.End();
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}
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}
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}
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}
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