stringutils.cs

工资结算系统 拥有权限控制 临时工资表 自动导入导出Excel 以及邮件群发功能

using System;
using System.Text;

namespace HrSalary.util
{
	/// <summary>
	/// StringUtils 的摘要说明。
	/// </summary>
	public class StringUtils
	{
		public static String convertEncoding(string str, Encoding src, Encoding dest)
		{
			if(str==null || str.Length==0) return str;
			try
			{
				byte[] srcbytes=src.GetBytes(str);
				return dest.GetString(srcbytes);
			}
			catch
			{
				return str;
			}
		}

		public static string unicode_iso8859(string src) 
		{
			Encoding iso = Encoding.GetEncoding("iso8859-1");
			return convertEncoding(src,Encoding.UTF8,iso);
		}

		public static string toGbk(string src) 
		{
			Encoding e1=Encoding.GetEncoding("iso8859-1");
			Encoding e2=Encoding.GetEncoding("gb18030");
			return convertEncoding(src,e1,e2);
		}

		public static string iso8859_unicode(string src) 
		{
			Encoding iso = Encoding.GetEncoding("iso8859-1");
			return convertEncoding(src,iso,Encoding.UTF8);
		}

		public static string to8859(string src)
		{
			Encoding e1=Encoding.GetEncoding("gb18030");
			Encoding e2=Encoding.GetEncoding("iso8859-1");
			return convertEncoding(src,e1,e2);
		}

		public static string EmptyString(string src)
		{
			if(src==null || src.Length==0) return null;
			return src;
		}

		public static int Price_string2int(string str)
		{
			return (int)(decimal.Parse(str)*100);
		}

		public static string Price_int2string(int price)
		{
			StringBuilder sb=new StringBuilder(price.ToString());
			if(sb.Length<3)
			{
				if(sb.Length==1)
				{
					sb.Insert(0,"00");
				}
				else if(sb.Length==2)
				{
					sb.Insert(0,'0');
				}
			}
			sb.Insert(sb.Length-2,'.');
			return sb.ToString();
		}

		public static sbyte[] convertByteArray(byte[] src)
		{
			if(src==null) return null;
			sbyte[] rets=new sbyte[src.Length];
			for(int i=0;i<src.Length;i++)
			{
				int one=src[i];
				if(one>127) one=one-256;
				rets[i]=(sbyte)one;
			}
			return rets;
		}
	}
}