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461 lines
16 KiB
461 lines
16 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace learun.util
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{
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/// <summary>
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/// 版 本 EasyCode EC管理后台
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/// Copyright (c) 2019-present EC管理有限公司
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/// 创建人：tobin
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/// 日 期：2019.09.18
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/// 描 述：字符串工具方法
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/// </summary>
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public static class Str
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{
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#region Empty(空字符串)
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/// <summary>
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/// 空字符串
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/// </summary>
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public static string Empty
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{
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get { return string.Empty; }
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}
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#endregion Empty(空字符串)
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#region PinYin(获取汉字的拼音简码)
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/// <summary>
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/// 获取汉字的拼音简码，即首字母缩写,范例：中国,返回zg
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/// </summary>
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/// <param name="chineseText">汉字文本,范例： 中国</param>
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public static string PinYin(string chineseText)
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{
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if (string.IsNullOrWhiteSpace(chineseText))
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return string.Empty;
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var result = new StringBuilder();
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foreach (char text in chineseText)
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result.AppendFormat("{0}", ResolvePinYin(text));
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return result.ToString().ToLower();
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}
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/// <summary>
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/// 解析单个汉字的拼音简码
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/// </summary>
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/// <param name="text">单个汉字</param>
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private static string ResolvePinYin(char text)
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{
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byte[] charBytes = Encoding.Default.GetBytes(text.ToString());
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if (charBytes[0] <= 127)
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return text.ToString();
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var unicode = (ushort)(charBytes[0] * 256 + charBytes[1]);
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string pinYin = ResolvePinYinByCode(unicode);
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if (!string.IsNullOrWhiteSpace(pinYin))
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return pinYin;
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return ResolvePinYinByFile(text.ToString());
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}
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/// <summary>
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/// 使用字符编码方式获取拼音简码
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/// </summary>
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private static string ResolvePinYinByCode(ushort unicode)
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{
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if (unicode >= '\uB0A1' && unicode <= '\uB0C4')
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return "A";
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if (unicode >= '\uB0C5' && unicode <= '\uB2C0' && unicode != 45464)
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return "B";
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if (unicode >= '\uB2C1' && unicode <= '\uB4ED')
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return "C";
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if (unicode >= '\uB4EE' && unicode <= '\uB6E9')
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return "D";
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if (unicode >= '\uB6EA' && unicode <= '\uB7A1')
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return "E";
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if (unicode >= '\uB7A2' && unicode <= '\uB8C0')
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return "F";
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if (unicode >= '\uB8C1' && unicode <= '\uB9FD')
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return "G";
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if (unicode >= '\uB9FE' && unicode <= '\uBBF6')
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return "H";
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if (unicode >= '\uBBF7' && unicode <= '\uBFA5')
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return "J";
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if (unicode >= '\uBFA6' && unicode <= '\uC0AB')
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return "K";
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if (unicode >= '\uC0AC' && unicode <= '\uC2E7')
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return "L";
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if (unicode >= '\uC2E8' && unicode <= '\uC4C2')
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return "M";
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if (unicode >= '\uC4C3' && unicode <= '\uC5B5')
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return "N";
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if (unicode >= '\uC5B6' && unicode <= '\uC5BD')
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return "O";
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if (unicode >= '\uC5BE' && unicode <= '\uC6D9')
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return "P";
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if (unicode >= '\uC6DA' && unicode <= '\uC8BA')
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return "Q";
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if (unicode >= '\uC8BB' && unicode <= '\uC8F5')
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return "R";
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if (unicode >= '\uC8F6' && unicode <= '\uCBF9')
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return "S";
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if (unicode >= '\uCBFA' && unicode <= '\uCDD9')
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return "T";
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if (unicode >= '\uCDDA' && unicode <= '\uCEF3')
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return "W";
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if (unicode >= '\uCEF4' && unicode <= '\uD188')
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return "X";
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if (unicode >= '\uD1B9' && unicode <= '\uD4D0')
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return "Y";
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if (unicode >= '\uD4D1' && unicode <= '\uD7F9')
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return "Z";
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return string.Empty;
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}
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/// <summary>
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/// 从拼音简码文件获取
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/// </summary>
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/// <param name="text">单个汉字</param>
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public static string ResolvePinYinByFile(string text)
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{
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int index = Const.ChinesePinYin.IndexOf(text, StringComparison.Ordinal);
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if (index < 0)
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return string.Empty;
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return Const.ChinesePinYin.Substring(index + 1, 1);
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}
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#endregion PinYin(获取汉字的拼音简码)
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#region 获取全拼
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/// <summary>
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/// 把汉字转换成拼音(全拼)
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/// </summary>
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/// <param name="text">汉字字符串</param>
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/// <returns>转换后的拼音(全拼)字符串</returns>
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public static string ConvertPinYin(string text)
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{
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// 匹配中文字符
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Regex regex = new Regex("^[\u4e00-\u9fa5]$");
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byte[] array = new byte[2];
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string pyString = "";
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int chrAsc = 0;
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int i1 = 0;
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int i2 = 0;
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char[] noWChar = text.ToCharArray();
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for (int j = 0; j < noWChar.Length; j++)
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{
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// 中文字符
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if (regex.IsMatch(noWChar[j].ToString()))
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{
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array = System.Text.Encoding.Default.GetBytes(noWChar[j].ToString());
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i1 = (short)(array[0]);
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i2 = (short)(array[1]);
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chrAsc = i1 * 256 + i2 - 65536;
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if (chrAsc > 0 && chrAsc < 160)
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{
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pyString += noWChar[j];
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}
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else
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{
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// 修正部分文字
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if (chrAsc == -9254) // 修正“圳”字
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pyString += "Zhen";
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else
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{
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for (int i = (ChinesePinYinValue.Length - 1); i >= 0; i--)
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{
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if (ChinesePinYinValue[i] <= chrAsc)
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{
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pyString += ChinesePinYinName[i];
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break;
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}
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}
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}
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}
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}
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// 非中文字符
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else
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{
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pyString += noWChar[j].ToString();
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}
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}
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return pyString;
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}
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/// <summary>
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/// 拼音码
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/// </summary>
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private static int[] ChinesePinYinValue = new int[]
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{
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-20319,-20317,-20304,-20295,-20292,-20283,-20265,-20257,-20242,-20230,-20051,-20036,
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-20032,-20026,-20002,-19990,-19986,-19982,-19976,-19805,-19784,-19775,-19774,-19763,
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-19756,-19751,-19746,-19741,-19739,-19728,-19725,-19715,-19540,-19531,-19525,-19515,
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-19500,-19484,-19479,-19467,-19289,-19288,-19281,-19275,-19270,-19263,-19261,-19249,
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-19243,-19242,-19238,-19235,-19227,-19224,-19218,-19212,-19038,-19023,-19018,-19006,
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-19003,-18996,-18977,-18961,-18952,-18783,-18774,-18773,-18763,-18756,-18741,-18735,
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-18731,-18722,-18710,-18697,-18696,-18526,-18518,-18501,-18490,-18478,-18463,-18448,
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-18447,-18446,-18239,-18237,-18231,-18220,-18211,-18201,-18184,-18183, -18181,-18012,
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-17997,-17988,-17970,-17964,-17961,-17950,-17947,-17931,-17928,-17922,-17759,-17752,
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-17733,-17730,-17721,-17703,-17701,-17697,-17692,-17683,-17676,-17496,-17487,-17482,
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-17468,-17454,-17433,-17427,-17417,-17202,-17185,-16983,-16970,-16942,-16915,-16733,
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-16708,-16706,-16689,-16664,-16657,-16647,-16474,-16470,-16465,-16459,-16452,-16448,
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-16433,-16429,-16427,-16423,-16419,-16412,-16407,-16403,-16401,-16393,-16220,-16216,
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-16212,-16205,-16202,-16187,-16180,-16171,-16169,-16158,-16155,-15959,-15958,-15944,
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-15933,-15920,-15915,-15903,-15889,-15878,-15707,-15701,-15681,-15667,-15661,-15659,
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-15652,-15640,-15631,-15625,-15454,-15448,-15436,-15435,-15419,-15416,-15408,-15394,
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-15385,-15377,-15375,-15369,-15363,-15362,-15183,-15180,-15165,-15158,-15153,-15150,
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-15149,-15144,-15143,-15141,-15140,-15139,-15128,-15121,-15119,-15117,-15110,-15109,
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-14941,-14937,-14933,-14930,-14929,-14928,-14926,-14922,-14921,-14914,-14908,-14902,
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-14894,-14889,-14882,-14873,-14871,-14857,-14678,-14674,-14670,-14668,-14663,-14654,
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-14645,-14630,-14594,-14429,-14407,-14399,-14384,-14379,-14368,-14355,-14353,-14345,
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-14170,-14159,-14151,-14149,-14145,-14140,-14137,-14135,-14125,-14123,-14122,-14112,
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-14109,-14099,-14097,-14094,-14092,-14090,-14087,-14083,-13917,-13914,-13910,-13907,
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-13906,-13905,-13896,-13894,-13878,-13870,-13859,-13847,-13831,-13658,-13611,-13601,
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-13406,-13404,-13400,-13398,-13395,-13391,-13387,-13383,-13367,-13359,-13356,-13343,
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-13340,-13329,-13326,-13318,-13147,-13138,-13120,-13107,-13096,-13095,-13091,-13076,
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-13068,-13063,-13060,-12888,-12875,-12871,-12860,-12858,-12852,-12849,-12838,-12831,
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-12829,-12812,-12802,-12607,-12597,-12594,-12585,-12556,-12359,-12346,-12320,-12300,
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-12120,-12099,-12089,-12074,-12067,-12058,-12039,-11867,-11861,-11847,-11831,-11798,
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-11781,-11604,-11589,-11536,-11358,-11340,-11339,-11324,-11303,-11097,-11077,-11067,
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-11055,-11052,-11045,-11041,-11038,-11024,-11020,-11019,-11018,-11014,-10838,-10832,
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-10815,-10800,-10790,-10780,-10764,-10587,-10544,-10533,-10519,-10331,-10329,-10328,
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-10322,-10315,-10309,-10307,-10296,-10281,-10274,-10270,-10262,-10260,-10256,-10254
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};
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/// <summary>
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/// 拼音码
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/// </summary>
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private static string[] ChinesePinYinName = new string[]
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{
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"A","Ai","An","Ang","Ao","Ba","Bai","Ban","Bang","Bao","Bei","Ben",
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"Beng","Bi","Bian","Biao","Bie","Bin","Bing","Bo","Bu","Ba","Cai","Can",
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"Cang","Cao","Ce","Ceng","Cha","Chai","Chan","Chang","Chao","Che","Chen","Cheng",
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"Chi","Chong","Chou","Chu","Chuai","Chuan","Chuang","Chui","Chun","Chuo","Ci","Cong",
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"Cou","Cu","Cuan","Cui","Cun","Cuo","Da","Dai","Dan","Dang","Dao","De",
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"Deng","Di","Dian","Diao","Die","Ding","Diu","Dong","Dou","Du","Duan","Dui",
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"Dun","Duo","E","En","Er","Fa","Fan","Fang","Fei","Fen","Feng","Fo",
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"Fou","Fu","Ga","Gai","Gan","Gang","Gao","Ge","Gei","Gen","Geng","Gong",
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"Gou","Gu","Gua","Guai","Guan","Guang","Gui","Gun","Guo","Ha","Hai","Han",
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"Hang","Hao","He","Hei","Hen","Heng","Hong","Hou","Hu","Hua","Huai","Huan",
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"Huang","Hui","Hun","Huo","Ji","Jia","Jian","Jiang","Jiao","Jie","Jin","Jing",
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"Jiong","Jiu","Ju","Juan","Jue","Jun","Ka","Kai","Kan","Kang","Kao","Ke",
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"Ken","Keng","Kong","Kou","Ku","Kua","Kuai","Kuan","Kuang","Kui","Kun","Kuo",
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"La","Lai","Lan","Lang","Lao","Le","Lei","Leng","Li","Lia","Lian","Liang",
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"Liao","Lie","Lin","Ling","Liu","Long","Lou","Lu","Lv","Luan","Lue","Lun",
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"Luo","Ma","Mai","Man","Mang","Mao","Me","Mei","Men","Meng","Mi","Mian",
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"Miao","Mie","Min","Ming","Miu","Mo","Mou","Mu","Na","Nai","Nan","Nang",
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"Nao","Ne","Nei","Nen","Neng","Ni","Nian","Niang","Niao","Nie","Nin","Ning",
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"Niu","Nong","Nu","Nv","Nuan","Nue","Nuo","O","Ou","Pa","Pai","Pan",
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"Pang","Pao","Pei","Pen","Peng","Pi","Pian","Piao","Pie","Pin","Ping","Po",
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"Pu","Qi","Qia","Qian","Qiang","Qiao","Qie","Qin","Qing","Qiong","Qiu","Qu",
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"Quan","Que","Qun","Ran","Rang","Rao","Re","Ren","Reng","Ri","Rong","Rou",
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"Ru","Ruan","Rui","Run","Ruo","Sa","Sai","San","Sang","Sao","Se","Sen",
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"Seng","Sha","Shai","Shan","Shang","Shao","She","Shen","Sheng","Shi","Shou","Shu",
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"Shua","Shuai","Shuan","Shuang","Shui","Shun","Shuo","Si","Song","Sou","Su","Suan",
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"Sui","Sun","Suo","Ta","Tai","Tan","Tang","Tao","Te","Teng","Ti","Tian",
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"Tiao","Tie","Ting","Tong","Tou","Tu","Tuan","Tui","Tun","Tuo","Wa","Wai",
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"Wan","Wang","Wei","Wen","Weng","Wo","Wu","Xi","Xia","Xian","Xiang","Xiao",
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"Xie","Xin","Xing","Xiong","Xiu","Xu","Xuan","Xue","Xun","Ya","Yan","Yang",
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"Yao","Ye","Yi","Yin","Ying","Yo","Yong","You","Yu","Yuan","Yue","Yun",
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"Za", "Zai","Zan","Zang","Zao","Ze","Zei","Zen","Zeng","Zha","Zhai","Zhan",
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"Zhang","Zhao","Zhe","Zhen","Zheng","Zhi","Zhong","Zhou","Zhu","Zhua","Zhuai","Zhuan",
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"Zhuang","Zhui","Zhun","Zhuo","Zi","Zong","Zou","Zu","Zuan","Zui","Zun","Zuo"
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};
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#endregion 获取全拼
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#region Splice(拼接集合元素)
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/// <summary>
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/// 拼接集合元素
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/// </summary>
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/// <typeparam name="T">集合元素类型</typeparam>
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/// <param name="list">集合</param>
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/// <param name="quotes">引号，默认不带引号，范例：单引号 "'"</param>
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/// <param name="separator">分隔符，默认使用逗号分隔</param>
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public static string Splice<T>(IEnumerable<T> list, string quotes = "", string separator = ",")
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{
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if (list == null)
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return string.Empty;
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var result = new StringBuilder();
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foreach (var each in list)
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result.AppendFormat("{0}{1}{0}{2}", quotes, each, separator);
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return result.ToString().TrimEnd(separator.ToCharArray());
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}
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#endregion Splice(拼接集合元素)
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#region FirstUpper(将值的首字母大（小）写)
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/// <summary>
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/// 将值的首字母大写
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/// </summary>
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/// <param name="value">值</param>
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public static string FirstUpper(string value)
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{
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string firstChar = value.Substring(0, 1).ToUpper();
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return firstChar + value.Substring(1, value.Length - 1);
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}
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/// <summary>
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/// 将值的首字母小写
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/// </summary>
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/// <param name="value">值</param>
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/// <returns></returns>
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public static string FirstLower(string value)
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{
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string firstChar = value.Substring(0, 1).ToLower();
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return firstChar + value.Substring(1, value.Length - 1);
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}
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#endregion FirstUpper(将值的首字母大（小）写)
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#region ToCamel(将字符串转成驼峰形式)
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/// <summary>
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/// 将字符串转成驼峰形式
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/// </summary>
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/// <param name="value">原始字符串</param>
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public static string ToCamel(string value)
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{
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return FirstUpper(value.ToLower());
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}
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#endregion ToCamel(将字符串转成驼峰形式)
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#region ContainsChinese(是否包含中文)
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/// <summary>
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/// 是否包含中文
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/// </summary>
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/// <param name="text">文本</param>
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public static bool ContainsChinese(string text)
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{
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const string pattern = "[\u4e00-\u9fa5]+";
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return Regex.IsMatch(text, pattern);
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}
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#endregion ContainsChinese(是否包含中文)
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#region ContainsNumber(是否包含数字)
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/// <summary>
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/// 是否包含数字
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/// </summary>
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/// <param name="text">文本</param>
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public static bool ContainsNumber(string text)
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{
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const string pattern = "[0-9]+";
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return Regex.IsMatch(text, pattern);
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}
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#endregion ContainsNumber(是否包含数字)
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#region Distinct(去除重复)
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/// <summary>
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/// 去除重复
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/// </summary>
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/// <param name="value">值，范例1："5555",返回"5",范例2："4545",返回"45"</param>
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public static string Distinct(string value)
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{
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var array = value.ToCharArray();
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return new string(array.Distinct().ToArray());
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}
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#endregion Distinct(去除重复)
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#region Truncate(截断字符串)
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/// <summary>
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/// 截断字符串
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/// </summary>
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/// <param name="text">文本</param>
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/// <param name="length">返回长度</param>
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/// <param name="endCharCount">添加结束符号的个数，默认0，不添加</param>
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/// <param name="endChar">结束符号，默认为省略号</param>
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public static string Truncate(string text, int length, int endCharCount = 0, string endChar = ".")
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{
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if (string.IsNullOrWhiteSpace(text))
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return string.Empty;
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if (text.Length < length)
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return text;
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return text.Substring(0, length) + GetEndString(endCharCount, endChar);
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}
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/// <summary>
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|
/// 获取结束字符串
|
|
/// </summary>
|
|
private static string GetEndString(int endCharCount, string endChar)
|
|
{
|
|
StringBuilder result = new StringBuilder();
|
|
for (int i = 0; i < endCharCount; i++)
|
|
result.Append(endChar);
|
|
return result.ToString();
|
|
}
|
|
|
|
#endregion Truncate(截断字符串)
|
|
|
|
#region Unique(获取全局唯一值)
|
|
|
|
/// <summary>
|
|
/// 获取全局唯一值
|
|
/// </summary>
|
|
public static string Unique()
|
|
{
|
|
return Guid.NewGuid().ToString().Replace("-", "");
|
|
}
|
|
|
|
#endregion Unique(获取全局唯一值)
|
|
|
|
#region GetLastProperty(获取最后一个属性)
|
|
|
|
/// <summary>
|
|
/// 获取最后一个属性
|
|
/// </summary>
|
|
/// <param name="propertyName">属性名，范例，A.B.C,返回"C"</param>
|
|
public static string GetLastProperty(string propertyName)
|
|
{
|
|
if (propertyName.IsEmpty())
|
|
return string.Empty;
|
|
var lastIndex = propertyName.LastIndexOf(".", StringComparison.Ordinal) + 1;
|
|
return propertyName.Substring(lastIndex);
|
|
}
|
|
|
|
#endregion GetLastProperty(获取最后一个属性)
|
|
|
|
/// <summary>
|
|
/// 过滤sql语句，但允许查询
|
|
/// </summary>
|
|
/// <param name="source"></param>
|
|
/// <returns></returns>
|
|
public static string SqlFilters(string source)
|
|
{
|
|
//半角括号替换为全角括号
|
|
source = source.Replace("'", "'''");
|
|
//去除执行SQL语句的命令关键字
|
|
//source = Regex.Replace(source, "select", "", RegexOptions.IgnoreCase);
|
|
source = Regex.Replace(source, "insert", "", RegexOptions.IgnoreCase);
|
|
source = Regex.Replace(source, "update", "", RegexOptions.IgnoreCase);
|
|
source = Regex.Replace(source, "delete", "", RegexOptions.IgnoreCase);
|
|
source = Regex.Replace(source, "drop", "", RegexOptions.IgnoreCase);
|
|
source = Regex.Replace(source, "truncate", "", RegexOptions.IgnoreCase);
|
|
source = Regex.Replace(source, "declare", "", RegexOptions.IgnoreCase);
|
|
source = Regex.Replace(source, "xp_cmdshell", "", RegexOptions.IgnoreCase);
|
|
source = Regex.Replace(source, "/add", "", RegexOptions.IgnoreCase);
|
|
source = Regex.Replace(source, "net user", "", RegexOptions.IgnoreCase);
|
|
//去除执行存储过程的命令关键字
|
|
source = Regex.Replace(source, "exec", "", RegexOptions.IgnoreCase);
|
|
source = Regex.Replace(source, "execute", "", RegexOptions.IgnoreCase);
|
|
//去除系统存储过程或扩展存储过程关键字
|
|
source = Regex.Replace(source, "xp_", "x p_", RegexOptions.IgnoreCase);
|
|
source = Regex.Replace(source, "sp_", "s p_", RegexOptions.IgnoreCase);
|
|
//防止16进制注入
|
|
source = Regex.Replace(source, "0x", "0 x", RegexOptions.IgnoreCase);
|
|
return source;
|
|
}
|
|
}
|
|
}
|