[Flex] as3xls读取excel，修改保存单表(二)

这个方法仅用了as3xls读取excel的功能，修改保存独立出来了。
<?xml version="1.0" encoding="utf-8"?>
<s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009" 
                       xmlns:s="library://ns.adobe.com/flex/spark" 
                       xmlns:mx="library://ns.adobe.com/flex/mx"
                       creationComplete="initViews(event)" width="1024" height="1000">
    <fx:Script>
        <![CDATA[
            import com.as3xls.xls.ExcelFile;
            import com.as3xls.xls.Sheet;
            
            import mx.events.FlexEvent;
            
            private var _headerArr:Array = [];
            private var _dataArr:Array = [];
            protected function initViews(event:FlexEvent):void
            {
                var file:File = new File("E:/AS/Examples/ReadAndSaveExcel/src/样表.xls");
                //读取文件
                var stream:FileStream = new FileStream();
                stream.open(file,FileMode.READ);
                var ba:ByteArray = new ByteArray();
                stream.readBytes(ba);
                stream.close();
                
                var xls:ExcelFile = new ExcelFile();
                xls.loadFromByteArray(ba);
                trace(xls.sheets.length);
                var sheet:Sheet = xls.sheets[1];
                var rowLen:int = sheet.rows;
                var cloumnLen:int = sheet.cols;
                //trace(sheet.getCell(0,0).value,sheet.getCell(0,1).value,sheet.getCell(2,0).value);
                trace(rowLen,cloumnLen);
                
                for(var i:int = 0;i<cloumnLen;i++){
                    _headerArr.push(sheet.getCell(0,i).value);
                }
                for(var j:int = 0;j<_headerArr.length;j++){
                    var title:TextField = getText(120,20,_headerArr[j]);
                    title.x = j*120+100;
                    title.y =0;
                    container.addChild(title);
                }
                
                for(j = 1;j<rowLen;j++){
                    if(sheet.getCell(j,i).value == ""){
                        //trace("为空");
                    }else{
                        
                    }
                    var obj:Object = {};
                    for(i = 0;i<_headerArr.length;i++){
                        if(i == 3){
                            obj[_headerArr[i]] = Math.floor(Math.random()*2000).toString();
                        }else{
                            obj[_headerArr[i]] = sheet.getCell(j,i).value;
                        }
                    }
                    _dataArr.push(obj);
                    var count:int = 0;
                    for(var n:int = 0;n<_headerArr.length;n++){
                        var t:TextField = getText(120,20,obj[_headerArr[n]]);
                        t.x = 120*count+100;
                        t.y = 20*j;
                        count++;
                        container.addChild(t);
                    }
                }
            }
            protected function saveBtn_clickHandler(event:MouseEvent):void
            {
                save(_dataArr,_headerArr,_headerArr);
            }
            private function save(datas:Array,headerArr:Array,objArr:Array):void
            {
                var xlsStr:String = "<html><head></head><body><table>";
                xlsStr += "<tr>";
                for each(var fieldHead:String in headerArr)
                {
                    xlsStr += "<td>" + fieldHead + "</td>";
                }
                xlsStr += "</tr>";
                for each(var item:Object in datas)
                {
                    xlsStr += "<tr>";
                    for each(var field:String in objArr)
                    {
                        xlsStr += "<td>" + item[field] + "</td>";
                    }
                    xlsStr += "</tr>";
                }
                xlsStr += "</table></body></html>";
                
                var bytes:ByteArray = new ByteArray();
                //bytes.writeUTFBytes(xlsStr);
                bytes.writeMultiByte(xlsStr, "GB2312");
                new FileReference().save(bytes, "data.xlsx");
                
                //运用File可以达到同样效果，而且不用弹出保存对话框
                /*var file:File = File.desktopDirectory.resolvePath("data.xls");
                var fs:FileStream = new FileStream();
                fs.open(file, flash.filesystem.FileMode.WRITE);
                fs.writeMultiByte(xlsStr,"GB2312");
                fs.close();*/
            }
            
            private function getText(w:Number,h:Number,text:String):TextField
            {
                var t:TextField = new TextField();
                t.width = w;
                t.height = h;
                //t.autoSize = "center";
                t.selectable = false;
                t.border = true;
                t.text = text;
                return t;
            }
        ]]>
    </fx:Script>
    <fx:Declarations>
        <!-- 将非可视元素（例如服务、值对象）放在此处 -->
    </fx:Declarations>
    <s:Scroller  width="900" height="800">
        <s:Group width="100%" height="100%">
            <mx:UIComponent id="container" width="800" height="100%"/>
        </s:Group>
    </s:Scroller>
    <s:Button id="saveBtn" label="保存" left="910" top="10" click="saveBtn_clickHandler(event)">
        
    </s:Button>
</s:WindowedApplication>
posted on 2015-11-10 11:32 晏过留痕阅读(944) 评论(0) 编辑收藏举报