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930 lines
34 KiB
930 lines
34 KiB
using System;
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using System.Web;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Xml;
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using System.Collections.Generic;
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using Microsoft.VisualBasic;
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namespace FangYar.Common
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{
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/// <summary>
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///ExtString 的摘要说明
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/// </summary>
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public static class MyExtensions
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{
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public static bool IsDecimal(this string str)
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{
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decimal test;
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return decimal.TryParse(str, out test);
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}
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public static bool IsDecimal(this string str, out decimal test)
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{
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return decimal.TryParse(str, out test);
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}
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public static bool IsDouble(this string str)
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{
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double test;
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return double.TryParse(str, out test);
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}
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public static bool IsDouble(this string str, out double test)
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{
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return double.TryParse(str, out test);
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}
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/// <summary>
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/// 格式化数字，三位加逗号
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static string ToFormatString(this decimal str)
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{
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string str1 = str.ToString();
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return str1.IndexOf('.') >= 0 ? str.ToString("#,##0" + ".".PadRight(str1.Substring(str1.IndexOf('.')).Length, '0')) : str.ToString("#,##0");
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}
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/// <summary>
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/// 相加
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/// </summary>
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/// <param name="add1"></param>
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/// <param name="add2"></param>
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/// <returns></returns>
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public static double Add(this double d1, double d2)
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{
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return (double)((decimal)d1 + (decimal)d2);
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}
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/// <summary>
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/// 相减
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/// </summary>
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/// <param name="d1"></param>
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/// <param name="d2"></param>
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/// <returns></returns>
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public static double sub(this double d1, double d2)
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{
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return (double)((decimal)d1 - (decimal)d2);
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}
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/// <summary>
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/// 相乖
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/// </summary>
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/// <param name="d1"></param>
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/// <param name="d2"></param>
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/// <returns></returns>
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public static double mul(this double d1, double d2)
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{
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return (double)((decimal)d1 * (decimal)d2);
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}
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/// <summary>
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/// 相除
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/// </summary>
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/// <param name="d1"></param>
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/// <param name="d2"></param>
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/// <returns></returns>
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public static double div(this double d1, double d2)
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{
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return d2 == 0 ? 0 : (double)((decimal)d1 / (decimal)d2);
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}
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public static bool IsInt(this string str)
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{
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int test;
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return int.TryParse(str, out test);
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}
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public static bool IsInt(this string str, out int test)
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{
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return int.TryParse(str, out test);
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}
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/// <summary>
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/// 将数组转换为符号分隔的字符串
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/// </summary>
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/// <param name="arr"></param>
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/// <param name="split">分隔符</param>
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/// <returns></returns>
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public static string Join1<T>(this T[] arr, string split = ",")
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{
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StringBuilder sb = new StringBuilder(arr.Length * 36);
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for (int i = 0; i < arr.Length; i++)
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{
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sb.Append(arr[i].ToString());
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if (i < arr.Length - 1)
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{
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sb.Append(split);
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}
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}
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return sb.ToString();
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}
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/// <summary>
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/// 去除所有空格
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static string RemoveSpace(this string str)
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{
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if (str.IsNullOrEmpty()) return "";
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return str.Replace("", " ").Replace("\r", "").Replace("\n", "");
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}
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public static bool IsLong(this string str)
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{
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long test;
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return long.TryParse(str, out test);
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}
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public static bool IsLong(this string str, out long test)
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{
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return long.TryParse(str, out test);
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}
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public static bool IsDateTime(this string str)
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{
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DateTime test;
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return DateTime.TryParse(str, out test);
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}
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public static bool IsDateTime(this string str, out DateTime test)
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{
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return DateTime.TryParse(str, out test);
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}
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public static bool IsGuid(this string str)
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{
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Guid test;
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return Guid.TryParse(str, out test);
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}
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public static bool IsGuid(this string str, out Guid test)
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{
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return Guid.TryParse(str, out test);
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}
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/// <summary>
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/// 判断是否为Guid.Empty
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/// </summary>
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/// <param name="guid"></param>
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/// <returns></returns>
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public static bool IsEmptyGuid(this Guid guid)
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{
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return guid == Guid.Empty;
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}
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public static bool IsUrl(this string str)
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{
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if (str.IsNullOrEmpty())
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return false;
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string pattern = @"^(http|https|ftp|rtsp|mms):(\/\/|\\\\)[A-Za-z0-9%\-_@]+\.[A-Za-z0-9%\-_@]+[A-Za-z0-9\.\/=\?%\-&_~`@:\+!;]*$";
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return Regex.IsMatch(str, pattern, RegexOptions.IgnoreCase);
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}
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public static bool IsEmail(this string str)
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{
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return Regex.IsMatch(str, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");
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}
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/// <summary>
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/// 判断一个整型是否包含在指定的值内
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public static bool In(this int i, params int[] ints)
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{
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foreach (int k in ints)
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{
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if (i == k)
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{
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return true;
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}
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}
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return false;
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}
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/// <summary>
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/// 返回值或DBNull.Value
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static object DBValueOrNull(this string str)
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{
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if (str.IsNullOrEmpty())
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{
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return null;
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}
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else
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{
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return str;
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}
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}
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public static decimal ToDecimal(this string str, int decimals)
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{
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decimal test;
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return decimal.TryParse(str, out test) ? decimal.Round(test, decimals, MidpointRounding.AwayFromZero) : 0;
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}
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public static decimal ToDecimal(this string str)
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{
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decimal test;
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return decimal.TryParse(str, out test) ? test : 0;
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}
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public static decimal Round(this decimal dec, int decimals = 2)
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{
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return Math.Round(dec, decimals, MidpointRounding.AwayFromZero);
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}
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public static double ToDouble(this string str, int digits)
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{
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double test;
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return double.TryParse(str, out test) ? test.Round(digits) : 0;
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}
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public static double ToDouble(this string str)
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{
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double test;
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return double.TryParse(str, out test) ? test : 0;
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}
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public static double Round(this double value, int decimals)
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{
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if (value < 0)
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return Math.Round(value + 5 / Math.Pow(10, decimals + 1), decimals, MidpointRounding.AwayFromZero);
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else
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return Math.Round(value, decimals, MidpointRounding.AwayFromZero);
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}
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public static short ToShort(this string str)
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{
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short test;
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short.TryParse(str, out test);
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return test;
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}
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public static int? ToIntOrNull(this string str)
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{
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int test;
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if (int.TryParse(str, out test))
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{
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return test;
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}
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else
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{
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return null;
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}
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}
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public static int ToInt(this string str)
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{
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int test;
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int.TryParse(str, out test);
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return test;
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}
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public static int ToInt(this string str, int defaultValue)
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{
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int test;
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return int.TryParse(str, out test) ? test : defaultValue;
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}
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public static long ToLong(this string str)
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{
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long test;
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long.TryParse(str, out test);
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return test;
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}
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public static Int16 ToInt16(this string str)
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{
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Int16 test;
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Int16.TryParse(str, out test);
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return test;
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}
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public static Int32 ToInt32(this string str)
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{
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Int32 test;
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Int32.TryParse(str, out test);
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return test;
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}
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public static Int64 ToInt64(this string str)
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{
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Int64 test;
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Int64.TryParse(str, out test);
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return test;
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}
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public static DateTime ToDateTime(this string str)
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{
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DateTime test;
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DateTime.TryParse(str, out test);
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return test;
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}
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public static DateTime? ToDateTimeOrNull(this string str)
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{
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DateTime test;
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if (DateTime.TryParse(str, out test))
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{
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return test;
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}
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return null;
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}
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public static Guid ToGuid(this string str)
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{
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Guid test;
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if (Guid.TryParse(str, out test))
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{
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return test;
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}
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else
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{
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return Guid.Empty;
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}
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}
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/// <summary>
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/// 尝试转换为Boolean类型
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static bool ToBoolean(this string str)
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{
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bool b;
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return Boolean.TryParse(str, out b) ? b : false;
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}
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/// <summary>
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/// 尝试格式化日期字符串
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/// </summary>
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/// <param name="date"></param>
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/// <param name="format"></param>
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/// <returns></returns>
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public static string DateFormat(this object date, string format = "yyyy/MM/dd")
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{
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if (date == null) { return string.Empty; }
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DateTime d;
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if (!date.ToString().IsDateTime(out d))
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{
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return date.ToString();
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}
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else
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{
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return d.ToString(format);
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}
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}
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public static bool IsNullOrEmpty(this string str)
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{
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return string.IsNullOrWhiteSpace(str);
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}
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public static string ToString(this IList<string> strList, char split)
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{
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return strList.ToString(split.ToString());
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}
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public static string ToString(this IList<string> strList, string split)
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{
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StringBuilder sb = new StringBuilder(strList.Count * 10);
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for (int i = 0; i < strList.Count; i++)
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{
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sb.Append(strList[i]);
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if (i < strList.Count - 1)
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{
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sb.Append(split);
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}
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}
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return sb.ToString();
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}
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/// <summary>
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/// 过滤sql
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static string ReplaceSql(this string str)
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{
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str = str.Replace("'", "").Replace("--", " ").Replace(";", "");
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return str;
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}
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/// <summary>
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/// 过滤查询sql
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static string ReplaceSelectSql(this string str)
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{
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if (str.IsNullOrEmpty()) return "";
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str = str.Replace1("DELETE ", "").Replace1("UPDATE ", "").Replace1("INSERT ", "");
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return str;
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}
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/// <summary>
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/// 过滤字符串(不区分大小写)
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static string Replace1(this string str, string oldString, string newString)
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{
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return str.IsNullOrEmpty() ? "" : Strings.Replace(str, oldString, newString, 1, -1, CompareMethod.Text);
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}
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/// <summary>
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/// 获取汉字拼音的第一个字母
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/// </summary>
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/// <param name="strText"></param>
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/// <returns></returns>
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public static string ToChineseSpell(this string strText)
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{
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int len = strText.Length;
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string myStr = "";
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for (int i = 0; i < len; i++)
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{
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myStr += getSpell(strText.Substring(i, 1));
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}
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return myStr.ToLower();
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}
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/// <summary>
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/// 获取汉字拼音
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/// </summary>
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/// <param name="cnChar"></param>
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/// <returns></returns>
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public static string getSpell(this string cnChar)
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{
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byte[] arrCN = Encoding.Default.GetBytes(cnChar);
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if (arrCN.Length > 1)
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{
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int area = (short)arrCN[0];
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int pos = (short)arrCN[1];
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int code = (area << 8) + pos;
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int[] areacode = { 45217, 45253, 45761, 46318, 46826, 47010, 47297, 47614, 48119, 48119, 49062, 49324, 49896, 50371, 50614, 50622, 50906, 51387, 51446, 52218, 52698, 52698, 52698, 52980, 53689, 54481 };
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for (int i = 0; i < 26; i++)
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{
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int max = 55290;
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if (i != 25) max = areacode[i + 1];
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if (areacode[i] <= code && code < max)
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{
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return Encoding.Default.GetString(new byte[] { (byte)(65 + i) });
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}
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}
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return "x";
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}
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else return cnChar;
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}
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/// <summary>
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/// 截取字符串，汉字两个字节，字母一个字节
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/// </summary>
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/// <param name="str">字符串</param>
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/// <param name="strLength">字符串长度</param>
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/// <returns></returns>
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public static string Interruption(this string str, int len, string show)
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{
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ASCIIEncoding ascii = new ASCIIEncoding();
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int tempLen = 0;
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string tempString = "";
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byte[] s = ascii.GetBytes(str);
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for (int i = 0; i < s.Length; i++)
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{
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if ((int)s[i] == 63)
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{ tempLen += 2; }
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else
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{ tempLen += 1; }
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try
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{ tempString += str.Substring(i, 1); }
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catch
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{ break; }
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if (tempLen > len) break;
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}
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//如果截过则加上半个省略号
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byte[] mybyte = System.Text.Encoding.Default.GetBytes(str);
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if (mybyte.Length > len)
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tempString += show;
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tempString = tempString.Replace(" ", " ");
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tempString = tempString.Replace("<", "<");
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tempString = tempString.Replace(">", ">");
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tempString = tempString.Replace('\n'.ToString(), "<br>");
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return tempString;
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}
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/// <summary>
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/// 截取字符串，汉字两个字节，字母一个字节
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/// </summary>
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/// <param name="str">字符串</param>
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/// <param name="strLength">字符串长度</param>
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/// <returns></returns>
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public static string CutString(this string str, int len, string show = "...")
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{
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return Interruption(str, len, show);
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}
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/// <summary>
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/// 获取左边多少个字符
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/// </summary>
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/// <param name="str"></param>
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/// <param name="len"></param>
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/// <returns></returns>
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public static string Left(this string str, int len)
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{
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if (str == null || len < 1) { return ""; }
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if (len < str.Length)
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{ return str.Substring(0, len); }
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else
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{ return str; }
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}
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/// <summary>
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/// 获取右边多少个字符
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/// </summary>
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/// <param name="str"></param>
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/// <param name="len"></param>
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/// <returns></returns>
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public static string Right(this string str, int len)
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{
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if (str == null || len < 1) { return ""; }
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if (len < str.Length)
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{ return str.Substring(str.Length - len); }
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else
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{ return str; }
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}
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/// <summary>
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/// 得到实符串实际长度
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static int Size(this string str)
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{
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byte[] strArray = System.Text.Encoding.Default.GetBytes(str);
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int res = strArray.Length;
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return res;
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}
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/// <summary>
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/// 去除HTML标记
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/// </summary>
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/// <param name="NoHTML">包括HTML的源码 </param>
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/// <returns>已经去除后的文字</returns>
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public static string RemoveHTML(this string Htmlstring)
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{
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//删除脚本
|
|
Htmlstring = Regex.Replace(Htmlstring, @"<script[^>]*?>.*?</script>", "", RegexOptions.IgnoreCase);
|
|
//删除HTML
|
|
Htmlstring = Regex.Replace(Htmlstring, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"([\r\n])[\s]+", "", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"-->", "", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"<!--.*", "", RegexOptions.IgnoreCase);
|
|
|
|
Htmlstring = Regex.Replace(Htmlstring, @"&(quot|#34);", "\"", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"&(amp|#38);", "&", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"&(lt|#60);", "<", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"&(gt|#62);", ">", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"&(nbsp|#160);", " ", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"&(iexcl|#161);", "\xa1", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"&(cent|#162);", "\xa2", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"&(pound|#163);", "\xa3", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"&(copy|#169);", "\xa9", RegexOptions.IgnoreCase);
|
|
Htmlstring = Regex.Replace(Htmlstring, @"&#(\d+);", "", RegexOptions.IgnoreCase);
|
|
|
|
Htmlstring.Replace("<", "");
|
|
Htmlstring.Replace(">", "");
|
|
Htmlstring.Replace("\r\n", "");
|
|
Htmlstring = HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim();
|
|
|
|
return Htmlstring;
|
|
}
|
|
/// <summary>
|
|
/// 过滤js脚本
|
|
/// </summary>
|
|
/// <param name="strFromText"></param>
|
|
/// <returns></returns>
|
|
public static string RemoveScript(this string html)
|
|
{
|
|
if (html.IsNullOrEmpty()) return string.Empty;
|
|
System.Text.RegularExpressions.Regex regex1 = new System.Text.RegularExpressions.Regex(@"<script[\s\S]+</script *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
System.Text.RegularExpressions.Regex regex2 = new System.Text.RegularExpressions.Regex(@" href *= *[\s\S]*script *:", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
System.Text.RegularExpressions.Regex regex3 = new System.Text.RegularExpressions.Regex(@" on[\s\S]*=", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
System.Text.RegularExpressions.Regex regex4 = new System.Text.RegularExpressions.Regex(@"<iframe[\s\S]+</iframe *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
System.Text.RegularExpressions.Regex regex5 = new System.Text.RegularExpressions.Regex(@"<frameset[\s\S]+</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>
|
|
/// 替换页面标签
|
|
/// </summary>
|
|
/// <param name="html"></param>
|
|
/// <returns></returns>
|
|
public static string RemovePageTag(this string html)
|
|
{
|
|
if (html.IsNullOrEmpty()) return string.Empty;
|
|
System.Text.RegularExpressions.Regex regex0 = new System.Text.RegularExpressions.Regex(@"<!DOCTYPE[^>]*>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
System.Text.RegularExpressions.Regex regex1 = new System.Text.RegularExpressions.Regex(@"<html\s*", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
System.Text.RegularExpressions.Regex regex2 = new System.Text.RegularExpressions.Regex(@"<head[\s\S]+</head\s*>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
System.Text.RegularExpressions.Regex regex3 = new System.Text.RegularExpressions.Regex(@"<body\s*", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
System.Text.RegularExpressions.Regex regex4 = new System.Text.RegularExpressions.Regex(@"<form\s*", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
System.Text.RegularExpressions.Regex regex5 = new System.Text.RegularExpressions.Regex(@"</(form|body|head|html)>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
|
html = regex0.Replace(html, ""); //过滤<html>标记
|
|
html = regex1.Replace(html, "<html\u3000 "); //过滤<html>标记
|
|
html = regex2.Replace(html, ""); //过滤<head>属性
|
|
html = regex3.Replace(html, "<body\u3000 "); //过滤<body>属性
|
|
html = regex4.Replace(html, "<form\u3000 "); //过滤<form>属性
|
|
html = regex5.Replace(html, "</$1\u3000>"); //过滤</html></body></head></form>属性
|
|
return html;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 取得html中的图片
|
|
/// </summary>
|
|
/// <param name="HTMLStr"></param>
|
|
/// <returns></returns>
|
|
public static string GetImg(this string text)
|
|
{
|
|
string str = string.Empty;
|
|
Regex r = new Regex(@"<img\s+[^>]*\s*src\s*=\s*([']?)(?<url>\S+)'?[^>]*>", //注意这里的(?<url>\S+)是按正则表达式中的组来处理的，下面的代码中用使用到，也可以更改成其它的HTML标签，以同样的方法获得内容！
|
|
RegexOptions.Compiled);
|
|
Match m = r.Match(text.ToLower());
|
|
if (m.Success)
|
|
str = m.Result("${url}").Replace("\"", "").Replace("'", "");
|
|
return str;
|
|
}
|
|
/// <summary>
|
|
/// 取得html中的所有图片
|
|
/// </summary>
|
|
/// <param name="text"></param>
|
|
/// <returns></returns>
|
|
public static string[] GetImgs(this string text)
|
|
{
|
|
List<string> imgs = new List<string>();
|
|
string pat = @"<img\s+[^>]*\s*src\s*=\s*([']?)(?<url>\S+)'?[^>]*>";
|
|
Regex r = new Regex(pat, RegexOptions.Compiled);
|
|
Match m = r.Match(text.ToLower());
|
|
while (m.Success)
|
|
{
|
|
imgs.Add(m.Result("${url}").Replace("\"", "").Replace("'", ""));
|
|
m = m.NextMatch();
|
|
}
|
|
return imgs.ToArray();
|
|
}
|
|
/// <summary>
|
|
/// 产生随机字符串
|
|
/// </summary>
|
|
/// <returns>字符串位数</returns>
|
|
public static string GetRandom(int length)
|
|
{
|
|
int number;
|
|
char code;
|
|
string checkCode = String.Empty;
|
|
System.Random random = new Random();
|
|
|
|
for (int i = 0; i < length + 1; i++)
|
|
{
|
|
number = random.Next();
|
|
if (number % 2 == 0)
|
|
code = (char)('0' + (char)(number % 10));
|
|
else
|
|
code = (char)('A' + (char)(number % 26));
|
|
checkCode += code.ToString();
|
|
}
|
|
return checkCode;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 字符串是否包含标点符号(不包括_下画线)
|
|
/// </summary>
|
|
/// <param name="str"></param>
|
|
/// <returns></returns>
|
|
public static bool InPunctuation(this string str)
|
|
{
|
|
foreach (char c in str.ToCharArray())
|
|
{
|
|
if (char.IsPunctuation(c) && c != '_')
|
|
return true;
|
|
}
|
|
return false;
|
|
|
|
}
|
|
/// <summary>
|
|
/// 去除字符串标点符号和空字符
|
|
/// </summary>
|
|
/// <param name="sourceString"></param>
|
|
/// <returns></returns>
|
|
public static string RemovePunctuationOrEmpty(this string str)
|
|
{
|
|
StringBuilder NewString = new StringBuilder(str.Length);
|
|
char[] charArr = str.ToCharArray();
|
|
foreach (char symbols in charArr)
|
|
{
|
|
if (!char.IsPunctuation(symbols) && !char.IsWhiteSpace(symbols))
|
|
{
|
|
NewString.Append(symbols);
|
|
}
|
|
}
|
|
return NewString.ToString();
|
|
}
|
|
/// <summary>
|
|
/// 返回带星期的日期格式
|
|
/// </summary>
|
|
/// <param name="date"></param>
|
|
/// <returns></returns>
|
|
public static string ToDateWeekString(this DateTime date)
|
|
{
|
|
string week = string.Empty;
|
|
switch (date.DayOfWeek)
|
|
{
|
|
case DayOfWeek.Friday: week = "五"; break;
|
|
case DayOfWeek.Monday: week = "一"; break;
|
|
case DayOfWeek.Saturday: week = "六"; break;
|
|
case DayOfWeek.Sunday: week = "日"; break;
|
|
case DayOfWeek.Thursday: week = "四"; break;
|
|
case DayOfWeek.Tuesday: week = "二"; break;
|
|
case DayOfWeek.Wednesday: week = "三"; break;
|
|
}
|
|
return date.ToString("yyyy年M月d日 ") + "星期" + week;
|
|
}
|
|
/// <summary>
|
|
/// 返回带星期的日期时间格式
|
|
/// </summary>
|
|
/// <param name="date"></param>
|
|
/// <returns></returns>
|
|
public static string ToDateTimeWeekString(this DateTime date)
|
|
{
|
|
string week = string.Empty;
|
|
switch (date.DayOfWeek)
|
|
{
|
|
case DayOfWeek.Friday: week = "五"; break;
|
|
case DayOfWeek.Monday: week = "一"; break;
|
|
case DayOfWeek.Saturday: week = "六"; break;
|
|
case DayOfWeek.Sunday: week = "日"; break;
|
|
case DayOfWeek.Thursday: week = "四"; break;
|
|
case DayOfWeek.Tuesday: week = "二"; break;
|
|
case DayOfWeek.Wednesday: week = "三"; break;
|
|
}
|
|
return date.ToString("yyyy年M月d日H时m分") + " 星期" + week;
|
|
}
|
|
/// <summary>
|
|
/// HTML编码
|
|
/// </summary>
|
|
/// <param name="str"></param>
|
|
/// <returns></returns>
|
|
public static string HtmlEncode(this string str)
|
|
{
|
|
return HttpContext.Current.Server.HtmlEncode(str);
|
|
}
|
|
/// <summary>
|
|
/// URL编码
|
|
/// </summary>
|
|
/// <param name="str"></param>
|
|
/// <returns></returns>
|
|
public static string UrlEncode(this string str)
|
|
{
|
|
return str.IsNullOrEmpty() ? string.Empty : HttpContext.Current.Server.UrlEncode(str);
|
|
}
|
|
/// <summary>
|
|
/// URL解码
|
|
/// </summary>
|
|
/// <param name="str"></param>
|
|
/// <returns></returns>
|
|
public static string UrlDecode(this string str)
|
|
{
|
|
return str.IsNullOrEmpty() ? string.Empty : HttpContext.Current.Server.UrlDecode(str);
|
|
}
|
|
|
|
/// <summary>
|
|
/// 获取与 Web 服务器上的指定虚拟路径相对应的物理文件路径。
|
|
/// </summary>
|
|
/// <param name="Server"></param>
|
|
/// <param name="path"></param>
|
|
/// <returns></returns>
|
|
public static string MapPathExt(this HttpServerUtility Server, string path)
|
|
{
|
|
if (path.StartsWith(@"\\") || path.Contains(":"))
|
|
{
|
|
return path;
|
|
}
|
|
else
|
|
{
|
|
return Server.MapPath(path);
|
|
}
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// 返回一个值，该值指示指定的 System.String 对象是否出现在此字符串中。
|
|
/// </summary>
|
|
/// <param name="source"></param>
|
|
/// <param name="value">要搜寻的字符串。</param>
|
|
/// <param name="comparisonType">指定搜索规则的枚举值之一</param>
|
|
/// <returns>如果 value 参数出现在此字符串中，或者 value 为空字符串 ("")，则为 true；否则为 false</returns>
|
|
public static bool Contains(this string source, string value, StringComparison comparisonType)
|
|
{
|
|
if (source == null || value == null) { return false; }
|
|
if (value == "") { return true; }
|
|
return (source.IndexOf(value, comparisonType) >= 0);
|
|
}
|
|
|
|
/// <summary>
|
|
/// 通过使用默认的相等或字符比较器确定序列是否包含指定的元素。
|
|
/// </summary>
|
|
/// <param name="source">要在其中定位某个值的序列。</param>
|
|
/// <param name="value">要在序列中定位的值。</param>
|
|
/// <param name="comparisonType">指定搜索规则的枚举值之一</param>
|
|
/// <exception cref="System.ArgumentNullException">source 为 null</exception>
|
|
/// <returns>如果源序列包含具有指定值的元素，则为 true；否则为 false。</returns>
|
|
public static bool Contains(this string[] source, string value, StringComparison comparisonType)
|
|
{
|
|
return System.Linq.Enumerable.Contains(source, value, new CompareText(comparisonType));
|
|
}
|
|
private class CompareText : IEqualityComparer<string>
|
|
{
|
|
private StringComparison m_comparisonType { get; set; }
|
|
public int GetHashCode(string t) { return t.GetHashCode(); }
|
|
public CompareText(StringComparison comparisonType) { this.m_comparisonType = comparisonType; }
|
|
public bool Equals(string x, string y)
|
|
{
|
|
if (x == y) { return true; }
|
|
if (x == null || y == null) { return false; }
|
|
else { return x.Equals(y, m_comparisonType); }
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 序列化对象为xml字符串
|
|
/// </summary>
|
|
/// <param name="obj">要序列化的对象</param>
|
|
/// <returns>xml格式字符串</returns>
|
|
public static string Serialize(this object obj)
|
|
{
|
|
if (obj == null) { return ""; }
|
|
Type type = obj.GetType();
|
|
if (type.IsSerializable)
|
|
{
|
|
try
|
|
{
|
|
System.Text.StringBuilder sb = new System.Text.StringBuilder();
|
|
System.Xml.Serialization.XmlSerializer xs = new System.Xml.Serialization.XmlSerializer(type);
|
|
XmlWriterSettings xset = new XmlWriterSettings();
|
|
xset.CloseOutput = true;
|
|
xset.Encoding = Encoding.UTF8;
|
|
xset.Indent = true;
|
|
xset.CheckCharacters = false;
|
|
System.Xml.XmlWriter xw = System.Xml.XmlWriter.Create(sb, xset);
|
|
xs.Serialize(xw, obj);
|
|
xw.Flush();
|
|
xw.Close();
|
|
return sb.ToString();
|
|
}
|
|
catch { return ""; }
|
|
}
|
|
else
|
|
{
|
|
return "";
|
|
}
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// 让服务器按钮点击后变灰
|
|
/// </summary>
|
|
/// <param name="button"></param>
|
|
/// <param name="newText">点后的显示文本</param>
|
|
public static void ClickDisabled(this System.Web.UI.WebControls.Button button, string newText = "")
|
|
{
|
|
if (button == null) return;
|
|
StringBuilder js = new StringBuilder();
|
|
System.Web.UI.Page page = (System.Web.UI.Page)HttpContext.Current.Handler;
|
|
page.ClientScript.GetPostBackEventReference(button, string.Empty);
|
|
|
|
if (!button.ValidationGroup.IsNullOrEmpty())
|
|
{
|
|
js.AppendFormat("if({0})", button.ValidationGroup);
|
|
js.Append("{");
|
|
if (!button.OnClientClick.IsNullOrEmpty())
|
|
{
|
|
js.Append(button.OnClientClick);
|
|
}
|
|
js.Append("this.disabled=true;");
|
|
if (!newText.IsNullOrEmpty())
|
|
{
|
|
js.AppendFormat("this.value=\"{0}\";", newText);
|
|
}
|
|
js.AppendFormat("__doPostBack(\"{0}\",\"\");", button.ID);
|
|
js.Append("}else{return false;}");
|
|
}
|
|
else
|
|
{
|
|
if (!button.OnClientClick.IsNullOrEmpty())
|
|
{
|
|
js.Append(button.OnClientClick);
|
|
}
|
|
js.Append("this.disabled=true;");
|
|
if (!newText.IsNullOrEmpty())
|
|
{
|
|
js.AppendFormat("this.value=\"{0}\";", newText);
|
|
}
|
|
js.AppendFormat("__doPostBack(\"{0}\",\"\");", button.ID);
|
|
}
|
|
button.OnClientClick = js.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// 将int类型转为GUID格式
|
|
/// </summary>
|
|
/// <param name="i"></param>
|
|
/// <returns></returns>
|
|
public static Guid ToGuid(this int i)
|
|
{
|
|
return i.ToString("00000000-0000-0000-0000-000000000000").ToGuid();
|
|
}
|
|
/// <summary>
|
|
/// 将guid转换为int
|
|
/// </summary>
|
|
/// <param name="guid"></param>
|
|
/// <returns></returns>
|
|
public static int ToInt(this Guid guid)
|
|
{
|
|
return guid.ToString("N").TrimStart('0').ToInt();
|
|
}
|
|
|
|
}
|
|
}
|
|
|