类名：DealString
/// 1.截取字符串，最后加3个小数点 /// 2.获得指定Url的参数的string类型值 /// 3.判断数据类型 /// 4.过滤JS标记 /// 5.获取CheckBoxList属性值 /// 6.通过ID绑定CheckBoxList选项 /// 7.CheckBoxList取值 /// 8.设置CheckBoxList属性值 /// 9.通过ID绑定CheckBoxList选项 /// 10.得到按指定CheckBoxList选项字符串 /// 11.生成Execl /// 12.获得当前绝对路径 /// 13.得到正则编译参数设置 /// 14.清除给定字符串中的回车及换行符 /// 15.分页方法 using System; using System.Data; using System.Configuration; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.Text.RegularExpressions; namespace Tools { /// <summary> /// DealString 的摘要说明。 /// </summary> public class DealString { /// <summary> /// 截取字符串 /// </summary> /// <param name="obj"></param> /// <param name="count"></param> /// <returns></returns> public static string substring(object obj, int count) { string str = tostring(obj); if (str.Length > count) { str = obj.ToString().Substring(0, count) + "..."; } return str; } /// <summary> /// 获得指定Url参数的string类型值 /// </summary> /// <param name="strName">Url参数</param> /// <param name="defValue">缺省值</param> /// <returns>Url参数的string类型值</returns> public static string GetQueryString(string strName) { string GetQueryString = (HttpContext.Current.Request.QueryString[strName]); return GetQueryString; } public static string tostring(object obj) { string result = ""; if (obj != null) { result = obj.ToString().Trim(); } return result; } /// <summary> /// 过滤html标签 /// </summary> /// <param name="TempStr"></param> /// <returns></returns> public static string StripHTML(string TempStr) { if (TempStr != null) { if (TempStr.Length > 0) { TempStr = regularExpressionsOfHTML(TempStr); if (TempStr.Length > 0) { TempStr = TempStr.Substring(0, TempStr.Length - 1); } } TempStr = TempStr.Replace(" ", ""); } return TempStr; } public static string regularExpressionsOfHTML(string TempContent) { //TempContent = System.Text.RegularExpressions.Regex.Replace(TempContent,"<[^>]+>",""); //任意多个 TempContent = System.Text.RegularExpressions.Regex.Replace(TempContent, "<[^>]*>", ""); //匹配一个 return TempContent.Trim(); } /// <summary> /// 判断数据类型 /// </summary> /// <param name="strNumber)"></param> /// <returns></returns> public bool IsNumber(String strNumber) { Regex objNotNumberPattern = new Regex("[^0-9.-]"); Regex objTwoDotPattern = new Regex("[0-9]*[.][0-9]*[.][0-9]*"); Regex objTwoMinusPattern = new Regex("[0-9]*[-][0-9]*[-][0-9]*"); String strValidRealPattern = "^([-]|[.]|[-.]|[0-9])[0-9]*[.]*[0-9]+$"; String strValidIntegerPattern = "^([-]|[0-9])[0-9]*$"; Regex objNumberPattern = new Regex("(" + strValidRealPattern + ")|(" + strValidIntegerPattern + ")"); return !objNotNumberPattern.IsMatch(strNumber) && !objTwoDotPattern.IsMatch(strNumber) && !objTwoMinusPattern.IsMatch(strNumber) && objNumberPattern.IsMatch(strNumber); } public static bool IsNumeric(string value) { return Regex.IsMatch(value, @"^[+-]?d*[.]?d*$"); } public static bool IsInt(string value) { return Regex.IsMatch(value, @"^[+-]?d*$"); } public static bool IsUnsign(string value) { return Regex.IsMatch(value, @"^d*[.]?d*$"); } /// <summary> /// 过滤JS标记 /// </summary> /// <param name="html"></param> /// <returns></returns> public string wipeScript(string html) { System.Text.RegularExpressions.Regex regex1 = new System.Text.RegularExpressions.Regex(@"<script[sS]+</script *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex2 = new System.Text.RegularExpressions.Regex(@" href *= *[sS]*script *:", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex3 = new System.Text.RegularExpressions.Regex(@" on[sS]*=", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex4 = new System.Text.RegularExpressions.Regex(@"<iframe[sS]+</iframe *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex5 = new System.Text.RegularExpressions.Regex(@"<frameset[sS]+</frameset *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase); html = regex1.Replace(html, ""); //过滤<script></script>标记 html = regex2.Replace(html, ""); //过滤href=javascript: (<A>) 属性 html = regex3.Replace(html, " _disibledevent="); //过滤其它控件的on...事件 html = regex4.Replace(html, ""); //过滤iframe html = regex5.Replace(html, ""); //过滤frameset return html; } /// <summary> /// 获取CheckBoxList属性值 /// </summary> /// <param name="cbProperty">CheckBoxList对象</param> /// <returns></returns> public static string GetPropertyValue(CheckBoxList cbProperty) { string str_property = ""; for (int i = 0; i < cbProperty.Items.Count; i++) { if (i != cbProperty.Items.Count - 1) { if (cbProperty.Items[i].Selected) str_property += "1,"; else str_property += "0,"; } else { if (cbProperty.Items[i].Selected) str_property += "1"; else str_property += "0"; } } return str_property; } /// <summary> /// CheckBoxList取值 /// </summary> /// <param name="Boxlist"></param> /// <returns></returns> public static string GetCheckBox(CheckBoxList Boxlist) { string chenkStr = ""; for (int i = 0; i < Boxlist.Items.Count; i++) { if (Boxlist.Items[i].Selected == true) { chenkStr += Boxlist.Items[i].Value + ","; } } return chenkStr; } /// <summary> /// 设置CheckBoxList属性值 /// </summary> /// <param name="cbProperty">CheckBoxList对象</param> /// <param name="propertyvalue">属性值</param> public static void SetPropertyValue(CheckBoxList cbProperty, string propertyvalue) { string[] propertyArray = propertyvalue.Split(','); for (int i = 0; i < propertyArray.Length; i++) { if (propertyArray[i] == "1") cbProperty.Items[i].Selected = true; } } /// <summary> /// 通过ID绑定CheckBoxList选项 /// </summary> /// <param name="cbList">CheckBoxList对象</param> /// <param name="selectid">批定ID</param> public static void SetSelectByID(CheckBoxList cbList, string selectid) { selectid = "," + selectid + ","; for (int i = 0; i < cbList.Items.Count; i++) { if (selectid.IndexOf("," + cbList.Items[i].Value + ",") >= 0) cbList.Items[i].Selected = true; } } /// <summary> /// 得到按指定CheckBoxList选项字符串 /// </summary> /// <param name="cbList">CheckBoxList对象</param> /// <returns></returns> public static string GetSelectString(CheckBoxList cbList) { string result = ""; foreach (ListItem item in cbList.Items) { if (item.Selected) result += item.Value + ","; } return result.TrimEnd(new char[] { ',' }); } /// <summary> /// 生成Execl /// </summary> /// <param name="dataset">要生成的数据</param> /// <param name="typeid">1生成Execl、2直接把数据写入XML</param> /// <param name="FileName">文件名</param> /// <param name="page">当前页面类</param> public static void CreateExcel(DataSet dataset, int typeid, string FileName, System.Web.UI.Page page) { HttpResponse resp; resp = page.Response; resp.ContentEncoding = System.Text.Encoding.GetEncoding(0); resp.AppendHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(FileName)); string colHeaders = "", ls_item = ""; int i = 0; //定义表对象与行对像，同时用DataSet对其值进行初始化 DataTable datatable = dataset.Tables[0]; DataRow[] myRow = datatable.Select(""); // typeid=="1"时导出为EXCEL格式文件；typeid=="2"时导出为XML格式文件 if (typeid == 1) { //取得数据表各列标题，各标题之间以 分割，最后一个列标题后加回车符 for (i = 0; i < datatable.Columns.Count - 1; i++) colHeaders += datatable.Columns[i].Caption.ToString() + " "; colHeaders += datatable.Columns[i].Caption.ToString() + " "; //向HTTP输出流中写入取得的数据信息 resp.Write(colHeaders); //逐行处理数据 foreach (DataRow row in myRow) { //在当前行中，逐列获得数据，数据之间以 分割，结束时加回车符 for (i = 0; i < row.ItemArray.Length - 1; i++) ls_item += row[i].ToString() + " "; ls_item += row[i].ToString() + " "; //当前行数据写入HTTP输出流，并且置空ls_item以便下行数据 resp.Write(ls_item); ls_item = ""; } } else { if (typeid == 2) { //从DataSet中直接导出XML数据并且写到HTTP输出流中 resp.Write(dataset.GetXml()); } } //写缓冲区中的数据到HTTP头文件中 resp.End(); } /// <summary> /// 获得当前绝对路径 /// </summary> /// <param name="strPath">指定的路径</param> /// <returns>绝对路径</returns> public static string GetMapPath(string strPath) { if (HttpContext.Current != null) { return HttpContext.Current.Server.MapPath(strPath); } else //非web程序引用 { strPath = strPath.Replace("/", "\"); if (strPath.StartsWith("\")) { strPath = strPath.Substring(strPath.IndexOf('\', 1)).TrimStart('\'); } return System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, strPath); } } /// <summary> /// 得到正则编译参数设置 /// </summary> /// <returns>参数设置</returns> public static RegexOptions GetRegexCompiledOptions() { #if NET1 return RegexOptions.Compiled; #else return RegexOptions.None; #endif } /// <summary> /// 清除给定字符串中的回车及换行符 /// </summary> /// <param name="str">要清除的字符串</param> /// <returns>清除后返回的字符串</returns> private static Regex RegexBr = new Regex(@"( )", RegexOptions.IgnoreCase); public static Regex RegexFont = new Regex(@"<font color=" + "".*?"" + @">([sS]+?)</font>", GetRegexCompiledOptions()); public static string ClearBR(string str) { Match m = null; for (m = RegexBr.Match(str); m.Success; m = m.NextMatch()) { str = str.Replace(m.Groups[0].ToString(), ""); } return str; } } }