C#数据格式转换函数集合.doc

常用数据格式转换函数集合using System;using System.Collections.Generic;using System.Text;namespace LaisonTech.CommonBLL / / 数据类型转换 / public class DataFormatProcessor public const Byte ASCII_0 = 48; public const Byte ASCII_9 = 57; public const Byte ASCII_A = 65; public const Byte ASCII_F= 70; public const Byte ASCII_Z= 90; public const Byte ASCII_a= 97; public const Byte ASCII_f= 102; public const Byte ASCII_z= 122; / / 字节转换为字符串 / / / public static String ByteToHexChar(Byte val) return val.ToString(X2); / / 字节转换为字符串 / / / public static String ByteToBitString(Byte val) if (val = 0) return 00000000; if (val = 255) return 11111111; String ret = String.Empty; Int32 bitval = 0; for (int bitidx = 7; bitidx -1; -bitidx) bitval = val & (1 0) ret = ret + 1; else ret = ret + 0; return ret; / / 2个HEX字符转换为1个字节数组 / / A1 / 161 / public static Boolean HexStringToByte(String hexstr, out Byte byteval) byteval = 0; if (hexstr.Length != 2) return false; byteval = Convert.ToByte(hexstr, 16); return true; / / HEX字符串转换为字节数组 / / / / public static Boolean HexStringToBytes(String hexstr, out Byte bytes) bytes = null; if (hexstr = null) | (hexstr.Length 2) ) return false; if (hexstr.Length % 2 = 1) return false; int bytelen = hexstr.Length / 2; if (bytelen 1) return false; bytes = new Bytebytelen; String curbytestr = String.Empty; for (int bidx = 0; bidx bytelen; bidx+) curbytestr = hexstr.Substring(bidx * 2, 2); /数字的进制，它必须是 2、8、10和16. bytesbidx = Convert.ToByte(curbytestr, 16); if (bytes = null | bytes.Length 1) return false; return true; / / HEX字符串转换为字节数组 / / / / public static Boolean HexStringToBytesWithSplitter(String hexstr, out Byte bytes) bytes = null; if (hexstr = null | hexstr.Length 2) return false; int charidx = 0; StringBuilder strbuild = new StringBuilder(hexstr.Length); /对每个字符进行判断,过滤非法字符 while (charidx = DataFormatProcessor.ASCII_0 & hexstrcharidx = DataFormatProcessor.ASCII_A & hexstrcharidx = DataFormatProcessor.ASCII_a & hexstrcharidx = DataFormatProcessor.ASCII_f) strbuild.Append(hexstrcharidx); charidx+; String purehexstr = strbuild.ToString(); return HexStringToBytes(purehexstr, out bytes); / / 字节数组转换为字符串 / / / public static String BytesToHexString(Byte bytes) if (bytes = null | bytes.Length 1) return String.Empty; StringBuilder str = new StringBuilder(bytes.Length * 2); for (int i = 0; i bytes.Length; i+) str.Append(bytesi.ToString(X2); return str.ToString(); / / 字节数组转换为字符串 / / / 待转换的首个字节下标 / / 每隔多少字节,就插入一个换行符.0表示不换行 / public static String BytesToHexString(Byte bytes, Int32 start, Int32 len, Int32 eachlinebytes) if (bytes = null | bytes.Length 1 | start 0 | len bytes.Length) return String.Empty; Int32 curlinebytes = 0; StringBuilder str = new StringBuilder(bytes.Length * 2); for (int i = 0; i 0) curlinebytes+; if (curlinebytes = eachlinebytes) str.Append(Environment.NewLine); curlinebytes = 0; return str.ToString(); / / 字节数组转换为带间隔符的字符串,显示用 / / / 待转换的首个字节下标 / / / 每隔多少字节,就插入一个换行符.0表示不换行 / public static String BytesToHexString(Byte bytes, Int32 start, Int32 len, Char splitter, Int32 eachlinebytes) if (bytes = null | bytes.Length 1 | start 0 | len bytes.Length) return String.Empty; Int32 curlinebytes = 0; StringBuilder str = new StringBuilder(bytes.Length * 2); for (int i = 0; i 0) curlinebytes+; if (curlinebytes = eachlinebytes) str.Append(Environment.NewLine); curlinebytes = 0; str.Remove(str.Length - 1, 1); return str.ToString(); / / 字节数组转换为ASCII字符串 / / / public static String BytesToString(Byte bytes) String ret = Encoding.Default.GetString(bytes); return ret; / / 1个字节的BCD转换为HEX / 0x12-12 / / BCD字节 / Int32 public static Byte ByteBCDToHex(Byte bcd) Byte result = (Byte)(bcd & 0x0F); /个位 bcd = 4; result += (Byte)(bcd * 10); /十位 return result; /返回结果 / / 把数组里的每个字节,都从HEX 转换为BCD / / public static Boolean ByteArrayHexToBCD(Byte hexbytes,Int32 hexstart, Byte bcdbytes,Int32 bcdstart, Int32 len) if (hexbytes = null | bcdbytes = null | hexbytes.Length 1 | bcdbytes.Length 1| hexstart 0 | bcdstart hexbytes.Length | bcdstart + len bcdbytes.Length) return false; for (Int32 idx = 0; idx len; +idx) bcdbytesbcdstart + idx = ByteHexToBCD(hexbyteshexstart + idx); return true; / / 把数组里的每个字节,都从BCD转换为HEX / / public static Boolean ByteArrayBCDToHex(Byte bcdbytes, Int32 bcdstart, Byte hexbytes, Int32 hexstart, Int32 len) if (hexbytes = null | bcdbytes = null | hexbytes.Length 1 | bcdbytes.Length 1 | hexstart 0 | bcdstart hexbytes.Length | bcdstart + len bcdbytes.Length) return false; for (Int32 idx = 0; idx len; +idx) hexbyteshexstart + idx = ByteBCDToHex(bcdbytesbcdstart + idx); return true; / / 1个字节的HEX转换为BCD / 64-0x64 / / BCD字节 / Int32 public static Byte ByteHexToBCD(Byte val) /如果超过99,则转换99 if(val 99) return 0x99; Byte lowval = (Byte)(val % 10);/个位 Byte highval = (Byte)(val / 10) % 10);/十位 Byte ret = (Byte)(lowval + (highval 4); return ret; / / ASCII字符串转换为字节数组 / / / / public static Boolean StringToBytes(String asciistr, out Byte bytes) bytes = Encoding.Default.GetBytes(asciistr); if (bytes = null | bytes.Length 1) return false; return true; / / Boolean 转换为 Int32 / / / public static Int32 BooleanToInt32 (Boolean bl) return bl ? 1 : 0; / / Boolean 转换为 Int32 的字符串 / / / public static String BooleanToInt32String(Boolean bl) return bl ? 1 : 0; / / Int32 转换为 Boolean / / / public static Boolean Int32ToBoolean(Int32 intval) return (intval = 0) ? false : true; / / Int32 的字符串 转换为 Boolean / / / public static Boolean Int32StringToBoolean(String intstr) if (intstr.Length 1) return false; return (intstr0 = 0) ? false : true; / / 各种枚举值转换为Int32String / / / public static String Int32ToString(Int32 enumval) return enumval.ToString(); / / 使用指定间隔符,把字符串分割为多个子串,合并为List / / / / / public static Boolean StringToIntArray(String rawdata, char splitter, ref Int32 intarray) List strlst = null; Boolean bl = StringToList(rawdata, splitter, ref strlst); if (!bl) return false; List intlist = new List(); Int32 val; for (int i = 0; i strlst.Count; i+) bl = Int32.TryParse(strlsti, out val); if (bl) intlist.Add(val); if (intlist.Count 1) return false; intarray = intlist.ToArray(); return true; / / 使用指定间隔符,把List合并为一个字符串 / / / / / public static Boolean ListToString(List strlist, char splitter, out String result) result = String.Empty; if (strlist = null | strlist.Count 1) return false; foreach (String item in strlist) result = result + item + splitter; result = result.Remove(result.Length - 1, 1); return true; / / 使用指定间隔符,把字符串分割为多个子串,合并为BindingList / / / / / /public static Boolean StringToBindingList(String rawdata, char splitter, out ObservableCollection strlist) / / strlist = new ObservableCollection(); / if (String.IsNullOrEmpty(rawdata) / / return false; / / String ary = rawdata.Split(splitter); / if (ary = null) | (ary.Length 1) / / return false; / / for (int i = 0; i ary.Length; i+) / / strlist.Add(aryi); / / return true; / / / 使用指定间隔符,把BindingList合并为一个字符串 / / / / / /public static Boolean BindingListToString(ObservableCollection strlist, char splitter, out String result) / / result = String.Empty; / if (strlist = null | strlist.Count 1) / / return false; / / StringBuilder tmpstr = new StringBuilder(4096); / foreach (String item in strlist) / / tmpstr.Append(item); / tmpstr.Append(splitter); / / tmpstr.Remove(result.Length - 1, 1); / result = tmpstr.ToString(); / return true; / / / 使用指定间隔符,把字符串分割为多个子串,合并为List / / / / / public static Boolean StringToIntList(String rawdata, char splitter, ref List intlist) List strlst = null; Boolean bl = StringToList(rawdata, splitter, ref strlst); if (!bl) return false; intlist = new List(); Int32 val; for (int i = 0; i 0); / / 使用指定间隔符,把字符串分割为多个子串,合并为List / / / / / public static Boolean StringToList(String rawdata, char splitter, ref List strlist) if (String.IsNullOrEmpty(rawdata) return false; String ary = rawdata.Split(splitter); if (ary = null)