JavaScript GSM短信PDU转换-日常笔记

一、在线转换网址

http://www.multisilicon.com/blog/a22201774~/pdu.htm

二、JavaScript

来自：http://www.multisilicon.com/blog/a22201774~/pdu.js

//Array with "The 7 bit defaultalphabet"
var sevenbitdefault = new Array('@', '£', '$', '¥', 'è', 'é', 'ù', 'ì', 'ò', 'Ç', '\n', 'Ø', 'ø', '\r','Å', 'å','\u0394', '_', '\u03a6', '\u0393', '\u039b', '\u03a9', '\u03a0','\u03a8', '\u03a3', '\u0398', '\u039e','&#8364;', 'Æ', 'æ', 'ß', 'É', ' ', '!', '"', '#', '¤', '%', '&', '\'', '(', ')','*', '+', ',', '-', '.', '/', '0', '1', '2', '3', '4', '5', '6', '7','8', '9', ':', ';', '<', '=', '>', '?', '¡', 'A', 'B', 'C', 'D', 'E','F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S','T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'Ä', 'Ö', 'Ñ', 'Ü', '§', '¿', 'a','b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o','p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'ä', 'ö', 'ñ','ü', 'à');

// Variable that stores the information to show the user the calculation of the translation
var calculation = "";

var maxkeys = 160;
var alerted = false;

// function te convert a bit string into a integer
function binToInt(x)//sp
{
	var total = 0;
	var power = parseInt(x.length)-1;

	for(var i=0;i<x.length;i++)
	{
		if(x.charAt(i) == '1')
		{
		 total = total +Math.pow(2,power);
		}
		power --;
	}
	return total;
}

// function to convert a integer into a bit String
function intToBin(x,size) //sp
{
	var base = 2;
	var num = parseInt(x);
	var bin = num.toString(base);
	for(var i=bin.length;i<size;i++)
	{
		bin = "0" + bin;
	}
	return bin;
}

// function to convert a Hexnumber into a 10base number
function HexToNum(numberS)
{
	var tens = MakeNum(numberS.substring(0,1));

	var ones = 0;
	if(numberS.length > 1) // means two characters entered
		ones=MakeNum(numberS.substring(1,2));
	if(ones == 'X')
	{
		return "00";
	}
	return  (tens * 16) + (ones * 1);
}

// helper function for HexToNum
function MakeNum(str)
{
	if((str >= 0) && (str <= 9))
		return str;
	switch(str.toUpperCase())
	{
		case "A": return 10;
		case "B": return 11;
		case "C": return 12;
		case "D": return 13;
		case "E": return 14;
		case "F": return 15;
		default:  alert('Only insert Hex values!!');
		return 'X';
   	}
}

//function to convert integer to Hex

function intToHex(i) //sp
 {
  var sHex = "0123456789ABCDEF";
  h = "";
  i = parseInt(i);
  for(j = 0; j <= 3; j++)
  {
    h += sHex.charAt((i >> (j * 8 + 4)) & 0x0F) +
         sHex.charAt((i >> (j * 8)) & 0x0F);
  }
  return h.substring(0,2);
}

function ToHex(i)
{
	var sHex = "0123456789ABCDEF";
	var Out = "";

	Out = sHex.charAt(i&0xf);
	i>>=4;
	Out = sHex.charAt(i&0xf) + Out;

	return Out;
}


function getSevenBit(character) //sp
{
	for(var i=0;i<sevenbitdefault.length;i++)
	{
		if(sevenbitdefault[i] == character)
		{
			return i;
		}
	}
	alert("No 7 bit char!");
	return 0;
}

function getEightBit(character)
{
	return character;
}

function get16Bit(character)
{
	return character;
}

// function to convert semioctets to a string
function semiOctetToString(inp) //sp
{
	var out = "";
	for(var i=0;i<inp.length;i=i+2)
	{
	  	var temp = inp.substring(i,i+2);
		out = out + temp.charAt(1) + temp.charAt(0);
	}

	return out;
}


//Main function to translate the input to a "human readable" string
function getUserMessage(input,truelength) // Add truelength AJA
{
	var byteString = "";
	octetArray = new Array();
	restArray = new Array();
	septetsArray = new Array();
	var s=1;
	var count = 0;
	var matchcount = 0; // AJA
	var smsMessage = "";

	var calculation1 = "<table border=1 ><tr><td align=center width=75><b>Hex</b></td>";
	var calculation2 = "<tr><td align=center width=75> <b>&nbsp;&nbsp;&nbsp;Octets&nbsp;&nbsp;&nbsp;</b></td>";
	var calculation3 = "<table border=1 ><tr><td align=center width=75><b>septets</b></td>";
	var calculation4 = "<tr><td align=center width=75><b>Character</b></td>";
	calculation = "";

	//Cut the input string into pieces of2 (just get the hex octets)
	for(var i=0;i<input.length;i=i+2)
	{
		var hex = input.substring(i,i+2);
		byteString = byteString + intToBin(HexToNum(hex),8);
		if((i%14 == 0 && i!=0))
		{
			calculation1 = calculation1 + "<td align=center width=75>+++++++</td>";
		}
		calculation1 = calculation1 + "<td align=center width=75>" + hex + "</td>";

	}
	calculation1 = calculation1 + "<td align=center width=75>+++++++</td>";

	// make two array's these are nessesery to
	for(var i=0;i<byteString.length;i=i+8)
	{
		octetArray[count] = byteString.substring(i,i+8);
		restArray[count] = octetArray[count].substring(0,(s%8));
		septetsArray[count] = octetArray[count].substring((s%8),8);
		if((i%56 == 0 && i!=0))
		{
			calculation2 = calculation2 + "<td align=center width=75>&nbsp;</td>";
		}
		calculation2 = calculation2 + "<td align=center width=75><span style='background-color: #FFFF00'>" + restArray[count] + "</span>"+ septetsArray[count]+"</td>";


		s++;
        	count++;
		if(s == 8)
		{
			s = 1;
		}
	}
	calculation2 = calculation2 + "<td align=center width=75>&nbsp;</td>";

	// put the right parts of the array's together to make the sectets
	for(var i=0;i<restArray.length;i++)
	{

		if(i%7 == 0)
		{
			if(i != 0)
			{
				smsMessage = smsMessage + sevenbitdefault[binToInt(restArray[i-1])];
				calculation3 = calculation3 + "<td align=center width=75><span style='background-color: #FFFF00'>&nbsp;" + restArray[i-1] + "</span>&nbsp;</td>";
				calculation4 = calculation4 + "<td align=center width=75>&nbsp;" + sevenbitdefault[binToInt(restArray[i-1])] + "&nbsp;</td>";
				matchcount ++; // AJA
			}
			smsMessage = smsMessage + sevenbitdefault[binToInt(septetsArray[i])];
			calculation3 = calculation3 + "<td align=center width=75>&nbsp;" +septetsArray[i] + "&nbsp;</td>";
			calculation4 = calculation4 + "<td align=center width=75>&nbsp;" + sevenbitdefault[binToInt(septetsArray[i])] + "&nbsp;</td>";
			matchcount ++; // AJA
		}
		else
		{
			smsMessage = smsMessage +  sevenbitdefault[binToInt(septetsArray[i]+restArray[i-1])];
			calculation3 = calculation3 + "<td align=center width=75>&nbsp;" +septetsArray[i]+ "<span style='background-color: #FFFF00'>" +restArray[i-1] + "&nbsp;</span>" + "</td>"
			calculation4 = calculation4 + "<td align=center width=75>&nbsp;" + sevenbitdefault[binToInt(septetsArray[i]+restArray[i-1])] + "&nbsp;</td>";
			matchcount ++; // AJA
		}

	}
	if(matchcount != truelength) // Don't forget trailing characters!! AJA
	{
		smsMessage = smsMessage + sevenbitdefault[binToInt(restArray[i-1])];
		calculation3 = calculation3 + "<td align=center width=75><span style='background-color: #FFFF00'>&nbsp;" + restArray[i-1] + "</span>&nbsp;</td>";
		calculation4 = calculation4 + "<td align=center width=75>&nbsp;" + sevenbitdefault[binToInt(restArray[i-1])] + "&nbsp;</td>";
	}
	else // Blank Filler
	{
		calculation3 = calculation3 + "<td align=center width=75>+++++++</td>";
		calculation4 = calculation4 + "<td align=center width=75>&nbsp;</td>";
	}

	//Put all the calculation info together
	calculation =  "Conversion of 8-bit octets to 7-bit default alphabet<br><br>"+calculation1 + "</tr>" + calculation2 + "</tr></table>" + calculation3 + "</tr>"+ calculation4 + "</tr></table>";

	return smsMessage;
}

function getUserMessage16(input,truelength)
{
	var smsMessage = "";
	calculation = "Not implemented";

	// Cut the input string into pieces of 4
	for(var i=0;i<input.length;i=i+4)
	{
		var hex1 = input.substring(i,i+2);
		var hex2 = input.substring(i+2,i+4);
		smsMessage += "" + String.fromCharCode(HexToNum(hex1)*256+HexToNum(hex2));
	}

	return smsMessage;
}

function getUserMessage8(input,truelength)
{
	var smsMessage = "";
	calculation = "Not implemented";

	// Cut the input string into pieces of 2 (just get the hex octets)
	for(var i=0;i<input.length;i=i+2)
	{
		var hex = input.substring(i,i+2);
		smsMessage += "" + String.fromCharCode(HexToNum(hex));
	}

	return smsMessage;
}

//Function to build a popup window with the calculation a information
function showCalculation()
{
  	if(calculation.length != 0)
	{
  	myWin=open('','','width=600,height=200,resizable=yes,location=no,directories=no,toolbar=no,status=no,scrollbars=yes');
  	var b='<html><head><title>Calculation</title></head><body><center>'+calculation+'</center></body></html>';
  	a=myWin.document;
  	a.open();
  	a.write(b);
  	a.close();
	}
}

// Function to get SMSmeta info information from PDU String
function getPDUMetaInfo(inp)
{
	var PDUString = inp;
	var start = 0;

	var SMSC_lengthInfo = HexToNum(PDUString.substring(0,2));
	var SMSC_info = PDUString.substring(2,2+(SMSC_lengthInfo*2));
	var SMSC_TypeOfAddress = SMSC_info.substring(0,2);
	var SMSC_Number = SMSC_info.substring(2,2+(SMSC_lengthInfo*2));

	if (SMSC_lengthInfo != 0)
	{
		SMSC_Number = semiOctetToString(SMSC_Number);

		// if the length is odd remove the trailing  F
		if((SMSC_Number.substr(SMSC_Number.length-1,1) == 'F') || (SMSC_Number.substr(SMSC_Number.length-1,1) == 'f'))
		{
			SMSC_Number = SMSC_Number.substring(0,SMSC_Number.length-1);
		}
		if (SMSC_TypeOfAddress == 91)
		{
			SMSC_Number = "+" + SMSC_Number;
		}
	}

	var start_SMSDeleivery = (SMSC_lengthInfo*2)+2;

	start = start_SMSDeleivery;
	var firstOctet_SMSDeliver = PDUString.substr(start,2);
	start = start + 2;

	if ((HexToNum(firstOctet_SMSDeliver) & 0x03) == 1) // Transmit Message
	{
		var MessageReference = HexToNum(PDUString.substr(start,2));
		start = start + 2;

		// length in decimals
		var sender_addressLength = HexToNum(PDUString.substr(start,2));
		if(sender_addressLength%2 != 0)
		{
			sender_addressLength +=1;
		}
		start = start + 2;

		var sender_typeOfAddress = PDUString.substr(start,2);
		start = start + 2

		var sender_number = semiOctetToString(PDUString.substring(start,start+sender_addressLength));

		if((sender_number.substr(sender_number.length-1,1) == 'F') || (sender_number.substr(sender_number.length-1,1) == 'f' ))
		{
			sender_number =	sender_number.substring(0,sender_number.length-1);
		}
		if (sender_typeOfAddress == 91)
		{
			sender_number = "+" + sender_number;
		}
	        start +=sender_addressLength;

		var tp_PID = PDUString.substr(start,2);
	        start +=2;

	        var tp_DCS = PDUString.substr(start,2);
	        var tp_DCS_desc = tpDCSMeaning(tp_DCS);
	        start +=2;

		var ValidityPeriod = HexToNum(PDUString.substr(start,2));
	        start +=2;

// Commonish...
		var messageLength = HexToNum(PDUString.substr(start,2));

	        start += 2;

		var bitSize = DCS_Bits(tp_DCS);
	    	var userData = "Undefined format";
		if (bitSize==7)
		{
			userData = getUserMessage(PDUString.substr(start,PDUString.length-start),messageLength);
		}
		else if (bitSize==8)
		{
			userData = getUserMessage8(PDUString.substr(start,PDUString.length-start),messageLength);
		}
		else if (bitSize==16)
		{
			userData = getUserMessage16(PDUString.substr(start,PDUString.length-start),messageLength);
		}

		userData = userData.substr(0,messageLength);
		if (bitSize==16)
		{
			messageLength/=2;
		}

		var out =  "SMSC#"+SMSC_Number+"\nSender:"+sender_number+"\nTP_PID:"+tp_PID+"\nTP_DCS:"+tp_DCS+"\nTP_DCS-popis:"+tp_DCS_desc+"\n"+userData+"\nLength:"+messageLength;
	}
	else // Receive Message
	if ((HexToNum(firstOctet_SMSDeliver) & 0x03) == 0) // Receive Message
	{
		// length in decimals
		var sender_addressLength = HexToNum(PDUString.substr(start,2));
		if(sender_addressLength%2 != 0)
		{
			sender_addressLength +=1;
		}
		start = start + 2;

		var sender_typeOfAddress = PDUString.substr(start,2);
		start = start + 2

		var sender_number = semiOctetToString(PDUString.substring(start,start+sender_addressLength));

		if((sender_number.substr(sender_number.length-1,1) == 'F') || (sender_number.substr(sender_number.length-1,1) == 'f' ))
		{
			sender_number =	sender_number.substring(0,sender_number.length-1);
		}
		if (sender_typeOfAddress == 91)
		{
			sender_number = "+" + sender_number;
		}
	        start +=sender_addressLength;

		var tp_PID = PDUString.substr(start,2);
	        start +=2;

	        var tp_DCS = PDUString.substr(start,2);
	        var tp_DCS_desc = tpDCSMeaning(tp_DCS);
	        start +=2;

		var timeStamp = semiOctetToString(PDUString.substr(start,14));

		// get date
		var year = timeStamp.substring(0,2);
		var month = timeStamp.substring(2,4);
		var day = timeStamp.substring(4,6);
		var hours = timeStamp.substring(6,8);
		var minutes = timeStamp.substring(8,10);
		var seconds = timeStamp.substring(10,12);

		timeStamp = day + "/" + month + "/" + year + " " + hours + ":" + minutes + ":" + seconds;
		start +=14;

// Commonish...
		var messageLength = HexToNum(PDUString.substr(start,2));
	        start += 2;

		var bitSize = DCS_Bits(tp_DCS);
	    	var userData = "Undefined format";
		if (bitSize==7)
		{
			userData = getUserMessage(PDUString.substr(start,PDUString.length-start),messageLength);
		}
		else if (bitSize==8)
		{
			userData = getUserMessage8(PDUString.substr(start,PDUString.length-start),messageLength);
		}
		else if (bitSize==16)
		{
			userData = getUserMessage16(PDUString.substr(start,PDUString.length-start),messageLength);
		}

		userData = userData.substr(0,messageLength);

		if (bitSize==16)
		{
			messageLength/=2;
		}

		var out =  "SMSC#"+SMSC_Number+"\nSender:"+sender_number+"\nTimeStamp:"+timeStamp+"\nTP_PID:"+tp_PID+"\nTP_DCS:"+tp_DCS+"\nTP_DCS-popis:"+tp_DCS_desc+"\n"+userData+"\nLength:"+messageLength;
	}
	else
	{
		var out =  "Unhandled message";
	}

	return out;
}

// function that print the default alphabet to a String
function printDefaultAlphabet()
{
	var out = "";
	out = "<table border=1 cellpadding=0 cellspacing=0 width=300>";
	out = out + "<tr><td align=center>#</td><td align=center>character</td><td align=center>ASCII Code</td><td align=center>bits</td></tr>";
	for(var i=0;i<sevenbitdefault.length;i++)
	{
		out = out + "<tr><td align=center>"+ i + "</td><td align=center>" +sevenbitdefault[i] + "&nbsp;</td><td align=center>" + sevenbitdefault[i].charCodeAt(0) + "</td><td align=center>"+intToBin(sevenbitdefault[i].charCodeAt(0),8)+ "</td></tr>";

	}
	out = out +"</table>";
	return out;
}

// function to make a new window
function show(title,text)
{
  myWin=open('','','width=350,height=500,resizable=no,location=no,directories=no,toolbar=no,status=no,scrollbars=yes');

  var b='<html><head><title>'+title+'</title></head><body><center>'+ text +'</center></body></html>';
  a=myWin.document;
  a.open();
  a.write(b);
  a.close();
}

function stringToPDU(inpString,phoneNumber,smscNumber,size) // AJA fixed SMSC processing
{
	var bitSize = size[0].value * size[0].checked | size[1].value * size[1].checked | size[2].value * size[2].checked;

	var octetFirst = "";
	var octetSecond = "";
	var output = "";

	//Make header
	var SMSC_INFO_LENGTH = 0;
	var SMSC_LENGTH = 0;
	var SMSC_NUMBER_FORMAT = "";
	var SMSC = "";
	if (smscNumber != 0)
	{
		SMSC_NUMBER_FORMAT = "92"; // national

		if (smscNumber.substr(0,1) == '+')
		{
			SMSC_NUMBER_FORMAT = "91"; // international
			smscNumber = smscNumber.substr(1);
		}
		else if (smscNumber.substr(0,1) !='0')
		{
			SMSC_NUMBER_FORMAT = "91"; // international
		}

		if(smscNumber.length%2 != 0)
		{
			// add trailing F
			smscNumber += "F";
		}

		SMSC = semiOctetToString(smscNumber);
		SMSC_INFO_LENGTH = ((SMSC_NUMBER_FORMAT + "" + SMSC).length)/2;
		SMSC_LENGTH = SMSC_INFO_LENGTH;

	}
	if(SMSC_INFO_LENGTH < 10)
	{
		SMSC_INFO_LENGTH = "0" + SMSC_INFO_LENGTH;
	}

	var firstOctet = "1100";

	var REIVER_NUMBER_FORMAT = "92"; // national
	if (phoneNumber.substr(0,1) == '+')
	{
		REIVER_NUMBER_FORMAT = "91"; // international
		phoneNumber = phoneNumber.substr(1); //,phoneNumber.length-1);
	}
	else if (phoneNumber.substr(0,1) !='0')
	{
		REIVER_NUMBER_FORMAT = "91"; // international
	}

	var REIVER_NUMBER_LENGTH = intToHex(phoneNumber.length);

	if(phoneNumber.length%2 != 0)
	{
		// add trailing F
		phoneNumber += "F";
	}

	var REIVER_NUMBER = semiOctetToString(phoneNumber);
	var PROTO_ID = "00";
	var DATA_ENCODING = "00"; // Default
	if (bitSize == 8)
	{
		DATA_ENCODING = "04";
	}
	else if (bitSize == 16)
	{
		DATA_ENCODING = "08";
	}
	var VALID_PERIOD = "AA";

	var userDataSize;
	if (bitSize == 7)
	{
		userDataSize = intToHex(inpString.length);

		for(var i=0;i<=inpString.length;i++)
		{
			if(i==inpString.length)
			{
				if (octetSecond != "") // AJA Fix overshoot
				{
					output = output + "" + (intToHex(binToInt(octetSecond)));
				}
				break;
			}
			var current = intToBin(getSevenBit(inpString.charAt(i)),7);

			var currentOctet;
			if(i!=0 && i%8!=0)
			{
				octetFirst = current.substring(7-(i)%8);
				currentOctet = octetFirst + octetSecond;	//put octet parts together

				output = output + "" + (intToHex(binToInt(currentOctet)));
				octetSecond = current.substring(0,7-(i)%8);	//set net second octet
			}
			else
			{
				octetSecond = current.substring(0,7-(i)%8);
			}
		}
	}
	else if (bitSize == 8)
	{
		userDataSize = intToHex(inpString.length);

		var CurrentByte = 0;
		for(var i=0;i<inpString.length;i++)
		{
			CurrentByte = getEightBit(inpString.charCodeAt(i));
			output = output + "" + ( ToHex( CurrentByte ) );
		}
	}
	else if (bitSize == 16)
	{
		userDataSize = intToHex(inpString.length * 2);

		var myChar=0;
		for(var i=0;i<inpString.length;i++)
		{
			myChar = get16Bit( inpString.charCodeAt(i) );
			output = output + "" + ( ToHex( (myChar&0xff00)>>8 )) + ( ToHex( myChar&0xff ) );
		}
	}
	var header = SMSC_INFO_LENGTH + SMSC_NUMBER_FORMAT + SMSC + firstOctet + REIVER_NUMBER_LENGTH + REIVER_NUMBER_FORMAT  + REIVER_NUMBER +  PROTO_ID + DATA_ENCODING + VALID_PERIOD + userDataSize;

	var PDU = header + output;
	var AT = "AT+CMGW=" + (PDU.length/2 - SMSC_LENGTH - 1) ; // Add /2 for PDU length AJA - I think the SMSC information should also be excluded
	//CMGW
	return AT + "\n" + PDU;
}

function change (what)
{
   var keysSoFar = what.value.length;

   if (keysSoFar > maxkeys)
   {
	if (!alerted)
	{
	alert ('Max length '+ maxkeys + '!');
	}
	what.value = what.value.substring (0, maxkeys); //chop
	alerted = true;
	keysSoFar = maxkeys;
   }
   window.status = "Characters left : " + (maxkeys - keysSoFar);
}

function DCS_Bits(tp_DCS)
{
	var AlphabetSize=7; // Set Default
//alert(tp_DCS);
        var pomDCS = HexToNum(tp_DCS);
//alert(pomDCS);
        switch(pomDCS & 192)
	{
		case 0: if(pomDCS & 32)
			{
				// tp_DCS_desc="Compressed Text\n";
			}
			else
			{
				// tp_DCS_desc="Uncompressed Text\n";
			}
			switch(pomDCS & 12)
			{
				case 4:
					AlphabetSize=8;
					break;
				case 8:
					AlphabetSize=16;
					break;
			}
			break;
		case 192:
			switch(pomDCS & 0x30)
			{
				case 0x20:
					AlphabetSize=16;
					break;
				case 0x30:
					if (pomDCS & 0x4)
					{
						;
					}
					else
					{
						AlphabetSize=8;
					}
					break;
			}
			break;

	}

        return(AlphabetSize);
}

function tpDCSMeaning(tp_DCS)
{
	var tp_DCS_desc=tp_DCS;
        var pomDCS = HexToNum(tp_DCS);
        switch(pomDCS & 192)
	{
		case 0: if(pomDCS & 32)
			{
				tp_DCS_desc="Compressed Text\n";
			}
			else
			{
				tp_DCS_desc="Uncompressed Text\n";
			}
			if(pomDCS & 16)
			{
				tp_DCS_desc+="No class\n";
			}
			else
			{
			  	tp_DCS_desc+="class:";

		  		switch(pomDCS & 3)
				{
					case 0:
						tp_DCS_desc+="0\n";
						break;
					case 1:
						tp_DCS_desc+="1\n";
						break;
					case 2:
						tp_DCS_desc+="2\n";
						break;
					case 3:
						tp_DCS_desc+="3\n";
						break;
				}
			}
                        tp_DCS_desc+="Alphabet:";
			switch(pomDCS & 12)
			{
				case 0:
					tp_DCS_desc+="Default\n";
					break;
				case 4:
					tp_DCS_desc+="8bit\n";
					break;
				case 8:
					tp_DCS_desc+="UCS2(16)bit\n";
					break;
				case 12:
					tp_DCS_desc+="Reserved\n";
					break;
			}
			break;
                case 64:
                case 128:
			tp_DCS_desc ="Reserved coding group\n";
			break;
		case 192:
			switch(pomDCS & 0x30)
			{
				case 0:
					tp_DCS_desc ="Message waiting group\n";
					tp_DCS_desc+="Discard\n";
					break;
				case 0x10:
					tp_DCS_desc ="Message waiting group\n";
					tp_DCS_desc+="Store Message. Default Alphabet\n";
					break;
				case 0x20:
					tp_DCS_desc ="Message waiting group\n";
					tp_DCS_desc+="Store Message. UCS2 Alphabet\n";
					break;
				case 0x30:
					tp_DCS_desc ="Data coding message class\n";
					if (pomDCS & 0x4)
					{
						tp_DCS_desc+="Default Alphabet\n";
					}
					else
					{
						tp_DCS_desc+="8 bit Alphabet\n";
					}
					break;
			}
			break;

	}

	//alert(tp_DCS.valueOf());

        return(tp_DCS_desc);
}

s

使用方法：

2.1 PDU转字符串

getPDUMetaInfo()
// getPDUMetaInfo("0011000D91688107184723F40008AA044F60597D")

2.2 转PDU

stringToPDU(inpString,phoneNumber,smscNumber,size)
//inpString 短信内容
//phoneNumber 接受方电话
//smscNumber短信中心号码
//size  字符位数：7/8/16
//stringToPDU("how are you =!","10080","",7)