using System;namespace Chinese中文排序Sort
{internal class Program{/// <summary>/// 取子字符串/// </summary>/// <param name="oriStr">原字符串</param>/// <param name="beginIndex">取子串的起始位置</param>/// <param name="len">取子串的长度</param>/// <returns>子字符串</returns>public static String subString(String oriStr, int beginIndex, int len){int strlen = oriStr.Length;beginIndex = beginIndex - 1;string str = null;if (strlen <= beginIndex){Console.WriteLine("out of " + oriStr + "'s length, please recheck!");}else if (strlen <= beginIndex + len){str = oriStr.Substring(beginIndex);}else {str = oriStr.Substring(beginIndex, beginIndex + len);}return str;}/// <summary>/// 左补位，右对齐/// </summary>/// <param name="oriStr">原字符串</param>/// <param name="len">目标字符串长度</param>/// <param name="alexin">补位字符</param>/// <returns>目标字符串</returns>public static String padRight(String oriStr, int len, char alexin){int strlen = oriStr.Length;string str = null;if (strlen < len){for (int i = 0; i < len - strlen; i++){str = str + alexin;}}str = str + oriStr;return str;}/// <summary>/// 右补位，左对齐/// </summary>/// <param name="oriStr">原字符串</param>/// <param name="len">目标字符串长度</param>/// <param name="alexin">补位字符</param>/// <returns>目标字符串</returns>public static String padLeft(String oriStr, int len, char alexin){int strlen = oriStr.Length;string str = null;if (strlen < len){for (int i = 0; i < len - strlen; i++){str = str + alexin;}}str = oriStr + str;return str;}private static void Main(string[] args){string sTemp = "0123456789";Console.WriteLine(sTemp.Substring(0, 3));//012UInt64 uintROWNUM = 0;UInt64 sInt = ++uintROWNUM;Console.WriteLine(sInt.ToString());//1
Console.ReadKey();}}
}