- using System.web;
- using System.Text.RegularExpressions;
- namespace DotNet.Utilities
- {
- /// <summary>
- /// QueryString 地址栏参数
- /// </summary>
- public class QueryString
- {
- #region 等于Request.QueryString;如果为null 返回 空“” ,否则返回Request.QueryString[name]
- /// <summary>
- /// 等于Request.QueryString;如果为null 返回 空“” ,否则返回Request.QueryString[name]
- /// </summary>
- /// <param name="name"></param>
- /// <returns></returns>
- public static string Q(string name)
- {
- return Request.QueryString[name] == null ? "" : Request.QueryString[name];
- }
- #endregion
- /// <summary>
- /// 等于 Request.Form 如果为null 返回 空“” ,否则返回 Request.Form[name]
- /// </summary>
- /// <param name="name"></param>
- /// <returns></returns>
- public static string F(string name)
- {
- return Request.Form[name] == null ? "" : Request.Form[name].ToString();
- }
- #region 获取url中的id
- /// <summary>
- /// 获取url中的id
- /// </summary>
- /// <param name="name"></param>
- /// <returns></returns>
- public static int QId(string name)
- {
- return StrToId(Q(name));
- }
- #endregion
- #region 获取正确的Id,如果不是正整数,返回0
- /// <summary>
- /// 获取正确的Id,如果不是正整数,返回0
- /// </summary>
- /// <param name="_value"></param>
- /// <returns>返回正确的整数ID,失败返回0</returns>
- public static int StrToId(string _value)
- {
- if (IsNumberId(_value))
- return int.Parse(_value);
- else
- return 0;
- }
- #endregion
- #region 检查一个字符串是否是纯数字构成的,一般用于查询字符串参数的有效性验证。
- /// <summary>
- /// 检查一个字符串是否是纯数字构成的,一般用于查询字符串参数的有效性验证。
- /// </summary>
- /// <param name="_value">需验证的字符串。。</param>
- /// <returns>是否合法的bool值。</returns>
- public static bool IsNumberId(string _value)
- {
- return QuickValidate("^[1-9]*[0-9]*$", _value);
- }
- #endregion
- #region 快速验证一个字符串是否符合指定的正则表达式。
- /// <summary>
- /// 快速验证一个字符串是否符合指定的正则表达式。
- /// </summary>
- /// <param name="_express">正则表达式的内容。</param>
- /// <param name="_value">需验证的字符串。</param>
- /// <returns>是否合法的bool值。</returns>
- public static bool QuickValidate(string _express, string _value)
- {
- if (_value == null) return false;
- Regex myRegex = new Regex(_express);
- if (_value.Length == 0)
- {
- return false;
- }
- return myRegex.IsMatch(_value);
- }
- #endregion
- #region 类内部调用
- /// <summary>
- /// HttpContext Current
- /// </summary>
- public static HttpContext Current
- {
- get { return HttpContext.Current; }
- }
- /// <summary>
- /// HttpContext Current HttpRequest Request get { return Current.Request;
- /// </summary>
- public static HttpRequest Request
- {
- get { return Current.Request; }
- }
- /// <summary>
- /// HttpContext Current HttpRequest Request get { return Current.Request; HttpResponse Response return Current.Response;
- /// </summary>
- public static HttpResponse Response
- {
- get { return Current.Response; }
- }
- #endregion
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/180920136001.html
来源: http://www.codesnippet.cn/detail/180920136001.html