as3 xls 엑셀 디 코딩 문제 해결 방법 내 보 내기

package cn.ishion.excel.util
{
	import com.as3xls.biff.BIFFVersion;
	import com.as3xls.biff.BIFFWriter;
	import com.as3xls.biff.Record;
	import com.as3xls.xls.ExcelFile;
	import com.as3xls.xls.Sheet;
	import com.as3xls.xls.Type;
	
	import flash.utils.ByteArray;
	
	import mx.utils.StringUtil;
	
	
	//  
	
	public class ConstomExcelFile extends ExcelFile
	{
		public function ConstomExcelFile()
		{
			
		}
		  private function GetStringLength(objString:String):int
     {
         var temp:int = 0;
         for(var i:int=0;i<objString.length;i++)
         {
             if(isChinese(objString.substring(i,i+1)))
             {
                 temp += 2;
             }
             else{temp += 1;}
         } 
             
         return temp;
     }
     //          bryan add
         private function isChinese(char:String):Boolean{
             if(char == null){
                 return false;
             }
            
             char =  StringUtil.trim(char);
             var pattern:RegExp = /^[\u0391-\uFFE5]+$/; 
             var result:Object = pattern.exec(char);
             if(result == null) {
                 return false;
             }
             return true;
         }
		override public function saveToByteArray():ByteArray{
		//	var s:Sheet = _sheets[0] as Sheet; //          
			var s:Sheet =super.sheets[0] as Sheet;
			
			var br:BIFFWriter = new BIFFWriter();
			
			// Write the BOF and header records
			var bof:Record = new Record(Type.BOF);
			bof.data.writeShort(BIFFVersion.BIFF2);
			bof.data.writeByte(0);
			bof.data.writeByte(0x10);
			br.writeTag(bof);
			
			// Date mode
			var dateMode:Record = new Record(Type.DATEMODE);
			dateMode.data.writeShort(1);
			br.writeTag(dateMode);
			
			// Store built in formats
			var formats:Array = ["General", 
				"0", "0.00", ",0", ",0.00", 
				"", "", "", "",
				"0%", "0.00%", "0.00E+00",
				"?/?", "??/??",
				"M/D/YY", "D-MMM-YY", "D-MMM", "MMM-YY"];
			
			var numfmt:Record = new Record(Type.BUILTINFMTCOUNT);
			numfmt.data.writeShort(formats.length);
			br.writeTag(numfmt);
			
			for(var n:uint = 0; n < formats.length; n++) {
				var fmt:Record = new Record(Type.FORMAT);
				fmt.data.writeByte(formats[n].length);
				fmt.data.writeUTFBytes(formats[n]);
				br.writeTag(fmt);
			}
			
			var dimensions:Record = new Record(Type.DIMENSIONS);
			dimensions.data.writeShort(0);
			dimensions.data.writeShort(s.rows+1);
			dimensions.data.writeShort(0);
			dimensions.data.writeShort(s.cols+1);
			br.writeTag(dimensions);
			
			for(var r:uint = 0; r < s.rows; r++) {
				for(var c:uint = 0; c < s.cols; c++) {
					var value:* = s.getCell(r, c).value;
					var cell:Record = new Record(1);
					cell.data.writeShort(r);
					cell.data.writeShort(c);
					
					if(value is Date) {
						var dateNum:Number = (value.time / 86400000) + 24106.667;
						cell.type = Type.NUMBER;
						cell.data.writeByte(0);
						cell.data.writeByte(15);
						cell.data.writeByte(0);
						cell.data.writeDouble(dateNum);
					} else if(isNaN(Number(value)) == false && String(value) != "") {
						cell.type = Type.NUMBER;
						cell.data.writeByte(0);
						cell.data.writeByte(0);
						cell.data.writeByte(0);
						cell.data.writeDouble(value);
					} else if(String(value).length > 0) {
						cell.type = Type.LABEL;
						cell.data.writeByte(0);
						cell.data.writeByte(0);
						cell.data.writeByte(0);
					//	var len:uint = String(value).length; //       
						var len:uint=this.GetStringLength(value);
						cell.data.writeByte(len);
					//	cell.data.writeUTFBytes(value);//          
						cell.data.writeMultiByte(value,"gbk");
					} else {
						cell.type = Type.BLANK;
						cell.data.writeByte(0);
						cell.data.writeByte(0);
						cell.data.writeByte(0);
					}
					
					br.writeTag(cell);
				}
			}
			
			
			// Finally, the closing EOF record
			var eof:Record = new Record(Type.EOF);
			br.writeTag(eof);
			
			br.stream.position = 0;
			return br.stream;
		}

	}
}

private function exportExcel():void{
				var ex:ExcelFile=new ConstomExcelFile();
				var arr:ArrayCollection=new ArrayCollection();
				var sheet:Sheet=new Sheet();
				sheet.header="dsafsdafsaf";
				sheet.footer="foot";
				sheet.name="hello";
				 sheet.resize(10,10);
				for(var i:int=0;i<10;i++){
					 sheet.setCell(i,i,"   ");
					 
					 trace(ex.sheets);
					
				}
				 ex.sheets.addItem(sheet);
				var file:File=File.desktopDirectory.resolvePath("test333.xls");
				var fs:FileStream=new FileStream();
				fs.open(file,FileMode.WRITE);
			
				fs.writeBytes(ex.saveToByteArray());
				fs.close();
				
			}