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Flex 4 £ºÊ¹Óà Halo Ö÷Ìâ

´ËÀýչʾÁËÈçºÎÔÚ Flex 4 ÖÐΪ Halo ¿Ø¼þÉèÖÃ¾ÉµÄ Halo Ƥ·ô£¬¶ø²»ÊÇÐ嵀 Spark Ƥ·ô¡£
<?xml version="1.0" encoding="utf-8"?>
<!-- http://www.slsay.com/archives/131 -->
<s:Application name="Spark_Halo_theme_test"
       xmlns:fx="http://ns.adobe.com/mxml/2009"
       xmlns:s="library://ns.adobe.com/flex/spark"
       xmlns:mx="library://ns.adobe.com/flex/halo">
 
    <s:VGroup horizontalCenter="0" verticalCenter="0" >
        <s:Button id="sBtn"
               label="I'm a Spark Button" />
 
        <mx:Button id="hBtn"
               label="I'm a Halo Button" />
    </s:VGroup>
 
</s:Application>
×îºó£¬ÐèÒªÓà halo.swc Ö÷Ìâ¸Ä±ä Flex ±àÒëÆ÷µÄ²ÎÊý£º
ÔÚ Flash Builder 4 µÄÖ÷²Ëµ¥ÖÐÑ¡Ôñ Project -> Properties
´Ó×ó±ßµ ......

ÖØÐ´flex×é¼þ

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1¡¢ÔÚFLEXÒÑÓÐ×é¼þÎÞ·¨Âú×ãÒµÎñÐèÇ󣬻òÊÇÐèÒª¸ü¸ÄÆä¿ÉÊÓ»¯Íâ¹ÛµÈÌØÐÔʱ£¬Ö±½Ó½øÐм̳ÐÀ©Õ¹¡£¾ÙÀý£¬¼Ì³ÐBUTTON×é¼þµÄ³¤Îı¾È´²»×Ô¶¯»»ÐеÄ×Ô¶¨Òå¿Ø¼þ¡£
2¡¢ÎªÁËÄ£¿é»¯Éè¼Æ»ò½øÒ»²½ÖØÓã¬ÐèÒª¶ÔFLEX×é¼þ½øÐÐ×éºÏ¡£±ÈÈçÒ»¸ö°üÀ¨TEXTAREA,BUTTONµÄ¸´ºÏ¿Ø¼þ¡£
¶þ¡¢ÖØÐ´×é¼þÐèÒª¾­³£»»Î»Ë¼¿¼µÄÈý¸ö½ÇÉ«
1¡¢×÷ÎªÖØÐ´×é¼þµÄʹÓÃÕߣ¬ÓÐÄÄЩÐèÇó¡£±ÈÈçÐèÒªÔÚMXML±êÇ©ºÍAS´úÂëÖб©Â¶ÄÄЩÊôÐÔ¼°¶ÔӦĬÈÏÖµ¡¢Ê¼þºÍʼþµÄ´¦ÀíÂß¼­¡£
2¡¢ÖØÐ´×é¼þÒ»°ãÐèҪʹÓÃFLEXÔ­ÓÐ×é¼þ£¬ÒªÕ¾ÔÚÔ­Óпª·¢ÕߵĽǶÈÁ˽âÉè¼Æ¹æÔò¡£
3¡¢×÷ÎªÖØÐ´×é¼þµÄÉè¼ÆÕߣ¬ÔÚÂú×ãÐèÇóµÄÇé¿öϾ¡Á¿×öµ½¿É¸´ÓᢵÍñîºÏÒ×À©Õ¹µÈÉè¼ÆÔ­Ôò£¬ÈÃÐÂ×é¼þÏñFLEXÔ­×é¼þÒ»ÑùºÃÓá£
Èý¡¢ÖØÐ´×é¼þAS·½Ê½ºÍMXML·½Ê½µÄ²ÉÓùæÔò
1¡¢MXMLÎļþºÍASÎļþ×îºó¶¼»á±»±àÒë³ÉASÀֻ࣬²»¹ýMXML±àÒëËÙ¶ÈÉÔÂýһЩ
2¡¢Èç¹ûMXMLºÍAS¶¼ÄÜÍê³ÉµÄÒ»¸ö¼òµ¥×é¼þ£¬MXML¸üÈÝÒ×±»´´½¨ºÍ¿ØÖƲ¼¾Ö
3¡¢µ±Òª¸²¸Ç×é¼þµÄijЩ·½·¨Ê±Ö»ÄÜÓÃAS·½Ê½
4¡¢´´½¨Ò»¸öÖ±½Ó¼Ì³ÐUIComponentµÄ×ÓÀàʱֻÄÜÓÃAS
5¡¢´´½¨·Ç¿ÉÊÓ»¯×é¼þ±ÈÈçFormatter¡¢validator¡¢Effect……ʱ£¬Ö»ÄÜÓÃAS
6¡¢ÒªÎª×é¼þÌí¼ÓÈÕÖ¾¹¦ÄÜʱ£¬Ö»ÄÜÓÃAS.
ËÄ¡¢AS·½Ê½ ......

FlexÖÐÎİïÖú


µÚÒ»Õ Flex ÊÇÈçºÎ¹¤×÷µÄ
¸Ã²¿·ÖÎĵµµÄÄÚÈÝÊÇΪÓû§Ìṩ¹ØÓÚ Adobe.Flex ¹¤×÷»úÖÆµÄÒ»¸ö¿ìËÙ×ÛÊö¡£Í¨¹ý±¾ÕÂ
½ÚµÄѧϰ£¬Äã¿ÉÒÔ´´½¨ÄãµÄµÚÒ»¸ö Flex Ó¦ÓóÌÐò£¬²¢½«ËüÓëÄãÒÔǰËùÊìϤµÄ Web ¿ª·¢¼¼Êõ
½øÐбȽϣ¬ÒÔÁì»á Flex µÄÄÚº­ºÍ¾«Ëè¡£
µÚÒ»½Ú ¹¹½¨²¢ÔËÐÐ Flex Ó¦ÓóÌÐò
Flex ÊÇÒ»¸öÌṩ¿ª·¢Éè¼ÆºÍÔËÐÐÖ§³ÖµÄ¼Ü¹¹£¬Ëü¿ÉÒÔʹ¿ª·¢ÈËÔ±´´½¨ÀûÓà Adobe.
Flash. Player 9 ×÷Ϊǰ̨µÄ“¸»¿Í»§¶Ë»¥ÁªÍøÓ¦ÓóÌÐò/rich Internet applications/RIA”£¬ÒÔÂú
×ãÓû§¸üΪֱ¹ÛºÍ¼«¾ß½»»¥ÐÔµÄÔÚÏßÌåÑé¡£
¿ª·¢ Flex Ó¦ÓóÌÐòµÄµäÐͲ½ÖèÈçÏ£¨Í¨³£ÊÇÕâÑù£©£º
1. ѡȡһϵÁÐÔ¤Ïȶ¨Öƺõġ¢ÓÃÓÚÉè¼ÆÓ¦ÓóÌÐò½çÃæµÄ×é¼þ£¨Èç±í¸ñ¡¢°´Å¥µÈµÈ£©
2. ²¼ÖÃ×é¼þÒÔÉè¼ÆÓû§½çÃæ¡£
3. ʹÓÃÑùʽºÍÖ÷ÌâÀ´ÔöÇ¿ÊÓ¾õ·½ÃæµÄÉè¼Æ¡£
4. Ìí¼Ó¶¯Ì¬ÐÐΪ£¨ÀýÈç³ÌÐò²¿¼þÖ®¼äµÄÏ໥×÷Óã©¡£
5. ¶¨Òå²¢Á¬½ÓËùÐèµÄÊý¾Ý¿â·þÎñ¡£
6. ½«Ô´´úÂë±àÒë³É SWF Îļþ£¬È»ºóÔÚ Flash Player ÖÐÔËÐС£
Ò»¸öµäÐ굀 Flex Ó¦ÓóÌÐò°üÀ¨ÈçÏÂÔªËØ£º
1. Flex framework
Adobe. Flex 2 framework °üº¬ÁË´´½¨ RIA ËùÐèÒªµÄËùÓÐ×é¼þ£¬ËüÃÇÊÇ£ºÓÃÓÚÓ¦ÓóÌÐò
²¼¾Ö¹æ»®µÄÈÝÆ÷£»Õë¶ÔÓû§½çÃæºÍ´ÓÓ ......

Flexͨ¹ýHTTPServiceÓëservletͨÐÅ

flex´úÂ룺
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/halo" minWidth="1024" minHeight="768">
<fx:Script>
<!--[CDATA[
import mx.controls.*;
import mx.rpc.events.ResultEvent;
import mx.rpc.http.mxml.HTTPService;

protected function button1_clickHandler(event:MouseEvent):void
{
var addNew:HTTPService = new HTTPService();
addNew.resultFormat = "text" ;
addNew.method = "POST";
addNew.url = "http://localhost:8084/Flex_web/flex";
addNew.addEventListener(ResultEvent.RESULT,result_Handler);

var param:Object = new Object();
param.user = user.text;
param.pwd = pwd.text;

addNew.send(param);
}

public function result_Handler(event:ResultEvent):void
{
var mes:String = event.message.body.toString();
Alert.show("³É¹¦£¡" + ......

C#ÐòÁл¯xmlµÄÍêÕûÀý×Ó

C#ÐòÁл¯xml
¹Ø¼ü²½Ö裺
XmlSerializer xSerializer = new XmlSerializer(typeof(MyObj));
StringWriter sWriter = new StringWriter(CultureInfo.InvariantCulture);
XmlTextWriter xTextWriter = new XmlTextWriter(sWriter);
XmlDocument xmlDoc = new XmlDocument();
xSerializer.Serialize(xTextWriter, myObj);
xmlDoc.LoadXml(sWriter.ToString()); 
ÐèҪ˵Ã÷µÄÊÇ£¬Èç¹ûÒªÐòÁл¯µÄobjectËùÔÚµÄÀàÀïÓдø²ÎÊýµÄ¹¹Ô캯Êý£¬»¹±ØÐëÌí¼ÓÒ»¸öÎÞ²ÎÊýµÄ¹¹Ô캯Êý£¬·ñÔò£¬»á±¨object cannot be serialized because it does not have a parameterless constructorµÄ´íÎó¡£ÏÂÃæÊÇÒ»¸öÍêÕûµÄʵÀý£¬½ö¹©²Î¿¼¡£
using System;
using System.Xml;
using System.Xml.Serialization;
using System.IO;
/* The XmlRootAttribute allows you to set an alternate name
(PurchaseOrder) of the XML element, the element namespace; by
default, the XmlSerializer uses the class name ......

C#ÐòÁл¯xmlµÄÍêÕûÀý×Ó

C#ÐòÁл¯xml
¹Ø¼ü²½Ö裺
XmlSerializer xSerializer = new XmlSerializer(typeof(MyObj));
StringWriter sWriter = new StringWriter(CultureInfo.InvariantCulture);
XmlTextWriter xTextWriter = new XmlTextWriter(sWriter);
XmlDocument xmlDoc = new XmlDocument();
xSerializer.Serialize(xTextWriter, myObj);
xmlDoc.LoadXml(sWriter.ToString()); 
ÐèҪ˵Ã÷µÄÊÇ£¬Èç¹ûÒªÐòÁл¯µÄobjectËùÔÚµÄÀàÀïÓдø²ÎÊýµÄ¹¹Ô캯Êý£¬»¹±ØÐëÌí¼ÓÒ»¸öÎÞ²ÎÊýµÄ¹¹Ô캯Êý£¬·ñÔò£¬»á±¨object cannot be serialized because it does not have a parameterless constructorµÄ´íÎó¡£ÏÂÃæÊÇÒ»¸öÍêÕûµÄʵÀý£¬½ö¹©²Î¿¼¡£
using System;
using System.Xml;
using System.Xml.Serialization;
using System.IO;
/* The XmlRootAttribute allows you to set an alternate name
(PurchaseOrder) of the XML element, the element namespace; by
default, the XmlSerializer uses the class name ......

DataTabת»»XML XMLת»»DataTable µÄÀà

public string ConvertDataTableToXML(DataTable xmlDS)
{
MemoryStream stream = null;
XmlTextWriter writer = null;
try
{
stream = new MemoryStream();
writer = new XmlTextWriter(stream, Encoding.Default);
xmlDS.WriteXml(writer);
int count = (int)stream.Length;
byte[] arr = new byte[count];
stream.Seek(0, SeekOrigin.Begin);
stream.Read(arr, 0, count);
return System.Text.Encoding.GetEncoding("gb2312").GetString(arr).Trim();
}
catch
{
return String.Empty;
}
finally
{
if (writer != null) writer.Close();
}
}
public DataSet ConvertXMLToDataSet(string xmlData)
{
StringReader stream = null;
XmlTextReader reader = null;
......
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