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/// <summary> /// 普通帮助类 /// </summary> public class commonhelper { //星期数组 private static string[] _weekdays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" }; //空格、回车、换行符、制表符正则表达式 private static regex _tbbrregex = new regex(@"\s*|\t|\r|\n", regexoptions.ignorecase); #region 时间操作 /// <summary> /// 获得当前时间的""yyyy-mm-dd hh:mm:ss:fffffff""格式字符串 /// </summary> public static string getdatetimems() { return datetime.now.tostring("yyyy-mm-dd hh:mm:ss:fffffff"); } /// <summary> /// 获得当前时间的""yyyy年mm月dd日 hh:mm:ss""格式字符串 /// </summary> public static string getdatetimeu() { return string.format("{0:u}", datetime.now); } /// <summary> /// 获得当前时间的""yyyy-mm-dd hh:mm:ss""格式字符串 /// </summary> public static string getdatetime() { return datetime.now.tostring("yyyy-mm-dd hh:mm:ss"); } /// <summary> /// 获得当前日期 /// </summary> public static string getdate() { return datetime.now.tostring("yyyy-mm-dd"); } /// <summary> /// 获得中文当前日期 /// </summary> public static string getchinesedate() { return datetime.now.tostring("yyyy月mm日dd"); } /// <summary> /// 获得当前时间(不含日期部分) /// </summary> public static string gettime() { return datetime.now.tostring("hh:mm:ss"); } /// <summary> /// 获得当前小时 /// </summary> public static string gethour() { return datetime.now.hour.tostring("00"); } /// <summary> /// 获得当前天 /// </summary> public static string getday() { return datetime.now.day.tostring("00"); } /// <summary> /// 获得当前月 /// </summary> public static string getmonth() { return datetime.now.month.tostring("00"); } /// <summary> /// 获得当前年 /// </summary> public static string getyear() { return datetime.now.year.tostring(); } /// <summary> /// 获得当前星期(数字) /// </summary> public static string getdayofweek() { return ((int)datetime.now.dayofweek).tostring(); } /// <summary> /// 获得当前星期(汉字) /// </summary> public static string getweek() { return _weekdays[(int)datetime.now.dayofweek]; } #endregion #region 数组操作 /// <summary> /// 获得字符串在字符串数组中的位置 /// </summary> public static int getindexinarray(string s, string[] array, bool ignorecase) { if (string.isnullorempty(s) || array == null || array.length == 0) return -1; int index = 0; string temp = null; if (ignorecase) s = s.tolower(); foreach (string item in array) { if (ignorecase) temp = item.tolower(); else temp = item; if (s == temp) return index; else index++; } return -1; } /// <summary> /// 获得字符串在字符串数组中的位置 /// </summary> public static int getindexinarray(string s, string[] array) { return getindexinarray(s, array, false); } /// <summary> /// 判断字符串是否在字符串数组中 /// </summary> public static bool isinarray(string s, string[] array, bool ignorecase) { return getindexinarray(s, array, ignorecase) > -1; } /// <summary> /// 判断字符串是否在字符串数组中 /// </summary> public static bool isinarray(string s, string[] array) { return isinarray(s, array, false); } /// <summary> /// 判断字符串是否在字符串中 /// </summary> public static bool isinarray(string s, string array, string splitstr, bool ignorecase) { return isinarray(s, stringhelper.splitstring(array, splitstr), ignorecase); } /// <summary> /// 判断字符串是否在字符串中 /// </summary> public static bool isinarray(string s, string array, string splitstr) { return isinarray(s, stringhelper.splitstring(array, splitstr), false); } /// <summary> /// 判断字符串是否在字符串中 /// </summary> public static bool isinarray(string s, string array) { return isinarray(s, stringhelper.splitstring(array, ","), false); } /// <summary> /// 将对象数组拼接成字符串 /// </summary> public static string objectarraytostring(object[] array, string splitstr) { if (array == null || array.length == 0) return ""; stringbuilder result = new stringbuilder(); for (int i = 0; i < array.length; i++) result.appendformat("{0}{1}", array[i], splitstr); return result.remove(result.length - splitstr.length, splitstr.length).tostring(); } /// <summary> /// 将对象数组拼接成字符串 /// </summary> public static string objectarraytostring(object[] array) { return objectarraytostring(array, ","); } /// <summary> /// 将字符串数组拼接成字符串 /// </summary> public static string stringarraytostring(string[] array, string splitstr) { return objectarraytostring(array, splitstr); } /// <summary> /// 将字符串数组拼接成字符串 /// </summary> public static string stringarraytostring(string[] array) { return stringarraytostring(array, ","); } /// <summary> /// 将整数数组拼接成字符串 /// </summary> public static string intarraytostring(int[] array, string splitstr) { if (array == null || array.length == 0) return ""; stringbuilder result = new stringbuilder(); for (int i = 0; i < array.length; i++) result.appendformat("{0}{1}", array[i], splitstr); return result.remove(result.length - splitstr.length, splitstr.length).tostring(); } /// <summary> /// 将整数数组拼接成字符串 /// </summary> public static string intarraytostring(int[] array) { return intarraytostring(array, ","); } /// <summary> /// 移除数组中的指定项 /// </summary> /// <param name="array">源数组</param> /// <param name="removeitem">要移除的项</param> /// <param name="removebackspace">是否移除空格</param> /// <param name="ignorecase">是否忽略大小写</param> /// <returns></returns> public static string[] removearrayitem(string[] array, string removeitem, bool removebackspace, bool ignorecase) { if (array != null && array.length > 0) { stringbuilder arraystr = new stringbuilder(); if (ignorecase) removeitem = removeitem.tolower(); string temp = ""; foreach (string item in array) { if (ignorecase) temp = item.tolower(); else temp = item; if (temp != removeitem) arraystr.appendformat("{0}_", removebackspace ? item.trim() : item); } return stringhelper.splitstring(arraystr.remove(arraystr.length - 1, 1).tostring(), "_"); } return array; } /// <summary> /// 移除数组中的指定项 /// </summary> /// <param name="array">源数组</param> /// <returns></returns> public static string[] removearrayitem(string[] array) { return removearrayitem(array, "", true, false); } /// <summary> /// 移除字符串中的指定项 /// </summary> /// <param name="s">源字符串</param> /// <param name="splitstr">分割字符串</param> /// <returns></returns> public static string[] removestringitem(string s, string splitstr) { return removearrayitem(stringhelper.splitstring(s, splitstr), "", true, false); } /// <summary> /// 移除字符串中的指定项 /// </summary> /// <param name="s">源字符串</param> /// <returns></returns> public static string[] removestringitem(string s) { return removearrayitem(stringhelper.splitstring(s), "", true, false); } /// <summary> /// 移除数组中的重复项 /// </summary> /// <returns></returns> public static int[] removerepeateritem(int[] array) { if (array == null || array.length < 2) return array; array.sort(array); int length = 1; for (int i = 1; i < array.length; i++) { if (array[i] != array[i - 1]) length++; } int[] uniquearray = new int[length]; uniquearray[0] = array[0]; int j = 1; for (int i = 1; i < array.length; i++) if (array[i] != array[i - 1]) uniquearray[j++] = array[i]; return uniquearray; } /// <summary> /// 移除数组中的重复项 /// </summary> /// <returns></returns> public static string[] removerepeateritem(string[] array) { if (array == null || array.length < 2) return array; array.sort(array); int length = 1; for (int i = 1; i < array.length; i++) { if (array[i] != array[i - 1]) length++; } string[] uniquearray = new string[length]; uniquearray[0] = array[0]; int j = 1; for (int i = 1; i < array.length; i++) if (array[i] != array[i - 1]) uniquearray[j++] = array[i]; return uniquearray; } /// <summary> /// 去除字符串中的重复元素 /// </summary> /// <returns></returns> public static string getuniquestring(string s) { return getuniquestring(s, ","); } /// <summary> /// 去除字符串中的重复元素 /// </summary> /// <returns></returns> public static string getuniquestring(string s, string splitstr) { return objectarraytostring(removerepeateritem(stringhelper.splitstring(s, splitstr)), splitstr); } #endregion /// <summary> /// 去除字符串首尾处的空格、回车、换行符、制表符 /// </summary> public static string tbbrtrim(string str) { if (!string.isnullorempty(str)) return str.trim().trim('\r').trim('\n').trim('\t'); return string.empty; } /// <summary> /// 去除字符串中的空格、回车、换行符、制表符 /// </summary> public static string cleartbbr(string str) { if (!string.isnullorempty(str)) return _tbbrregex.replace(str, ""); return string.empty; } /// <summary> /// 删除字符串中的空行 /// </summary> /// <returns></returns> public static string deletenullorspacerow(string s) { if (string.isnullorempty(s)) return ""; string[] temparray = stringhelper.splitstring(s, "\r\n"); stringbuilder result = new stringbuilder(); foreach (string item in temparray) { if (!string.isnullorwhitespace(item)) result.appendformat("{0}\r\n", item); } if (result.length > 0) result.remove(result.length - 2, 2); return result.tostring(); } /// <summary> /// 获得指定数量的html空格 /// </summary> /// <returns></returns> public static string gethtmlbs(int count) { if (count == 1) return " "; else if (count == 2) return " "; else if (count == 3) return " "; else { stringbuilder result = new stringbuilder(); for (int i = 0; i < count; i++) result.append(" "); return result.tostring(); } } /// <summary> /// 获得指定数量的htmlspan元素 /// </summary> /// <returns></returns> public static string gethtmlspan(int count) { if (count <= 0) return ""; if (count == 1) return "<span></span>"; else if (count == 2) return "<span></span><span></span>"; else if (count == 3) return "<span></span><span></span><span></span>"; else { stringbuilder result = new stringbuilder(); for (int i = 0; i < count; i++) result.append("<span></span>"); return result.tostring(); } } /// <summary> ///获得邮箱提供者 /// </summary> /// <param name="email">邮箱</param> /// <returns></returns> public static string getemailprovider(string email) { int index = email.lastindexof('@'); if (index > 0) return email.substring(index + 1); return string.empty; } /// <summary> /// 转义正则表达式 /// </summary> public static string escaperegex(string s) { string[] olist = { "\\", ".", "+", "*", "?", "{", "}", "[", "^", "]", "$", "(", ")", "=", "!", "<", ">", "|", ":" }; string[] elist = { "\\\\", "\\.", "\\+", "\\*", "\\?", "\\{", "\\}", "\\[", "\\^", "\\]", "\\$", "\\(", "\\)", "\\=", "\\!", "\\<", "\\>", "\\|", "\\:" }; for (int i = 0; i < olist.length; i++) s = s.replace(olist[i], elist[i]); return s; } /// <summary> /// 将ip地址转换成long类型 /// </summary> /// <param name="ip">ip</param> /// <returns></returns> public static long convertiptolong(string ip) { string[] ips = ip.split('.'); long number = 16777216l * long.parse(ips[0]) + 65536l * long.parse(ips[1]) + 256 * long.parse(ips[2]) + long.parse(ips[3]); return number; } /// <summary> /// 隐藏邮箱 /// </summary> public static string hideemail(string email) { int index = email.lastindexof('@'); if (index == 1) return "*" + email.substring(index); if (index == 2) return email[0] + "*" + email.substring(index); stringbuilder sb = new stringbuilder(); sb.append(email.substring(0, 2)); int count = index - 2; while (count > 0) { sb.append("*"); count--; } sb.append(email.substring(index)); return sb.tostring(); } /// <summary> /// 隐藏手机 /// </summary> public static string hidemobile(string mobile) { if (mobile != null && mobile.length > 10) return mobile.substring(0, 3) + "*****" + mobile.substring(8); return string.empty; } /// <summary> /// 数据转换为列表 /// </summary> /// <param name="array">数组</param> /// <returns></returns> public static list<t> arraytolist<t>(t[] array) { list<t> list = new list<t>(array.length); foreach (t item in array) list.add(item); return list; } /// <summary> /// datatable转化为list /// </summary> /// <param name="dt">datatable</param> /// <returns></returns> public static list<dictionary<string, object>> datatabletolist(datatable dt) { int columncount = dt.columns.count; list<dictionary<string, object>> list = new list<dictionary<string, object>>(dt.rows.count); foreach (datarow dr in dt.rows) { dictionary<string, object> item = new dictionary<string, object>(columncount); for (int i = 0; i < columncount; i++) { item.add(dt.columns[i].columnname, dr[i]); } list.add(item); } return list; } }
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