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• Web Services ¤×Í ÁҵðҹÃкºà»Ô´ ·Õè·ÓãËéàÃÒÊÒÁÒö»ÃСÒÈ (Publish) ÇèÒàÃÒÁÕºÃÔ¡ÒÃÍÐäúéÒ§ áÅШÐÊÒÁÒö·ÓãËé¾Ç¡ Web Application Í×è¹æ ÊÒÁÒöà¢éÒä»Ê׺¤é¹ ËÃ×Í àÃÕ¡ãªéºÃÔ¡ÒâͧàÃÒä´éÍÂèÒ§äà ¤ÓÇèÒ "ºÃÔ¡Òà ËÃ×Í Service" ÁѹàËÁ×͹¡Ñºà»ç¹Êèǹ»ÃСͺ¢Í§«Í¿·ìáÇÃì·ÕèÊÒÁÒö·Ó§Ò¹ä´é੾ÒÐÍÂèÒ§ â´ÂÁÕ¡ÒûÃÐÊÒ¹¡Ò÷ӧҹ§Ò¹ÃÐËÇèÒ§Ãкº (Interoperability) ¹Ñè¹ÍÒ¨ÃÇÁ¶Ö§¡Ò÷ӧҹ¢Í§¢éÍÁÙÅ áÅÐ Process «Öè§ÁÕ¢Õ´¤ÇÒÁÊÒÁÒö㹡Ò÷ӧҹ¢éÒÁÃкºãËéà¡Ô´¢Öé¹ä´é â´ÂÍÒÈÑÂÁҵðҹ¡ÅÒ§´éҹ෤¹Ô¤ ·ÕèÁÓãËéà¡Ô´¡ÒÃáÅ¡à»ÅÕè¹¢éÍÁÙÅ áÅÐ ·ÓãËéà¡Ô´¡ÒÃàÃÕ¡ãªé§Ò¹â»Ãá¡ÃÁ¢éÒÁÃкº·ÕèÁÕ¤ÇÒÁᵡµèÒ§¡Ñ¹·Ñ駷ҧ´éÒ¹ÎÒÃì´áÇÃì áÅÐ «Í¿·ìáÇÃì Áҵðҹ¡ÅÒ§·Õèãªéà»ç¹¢é͵¡Å§ÃèÇÁ¡Ñ¹ ÁմѧµèÍ仹Õé
  • ¡ÒûÃÐÊÒ¹¡Ò÷ӧҹ¢Í§¢éÍÁÙżèÒ¹ÀÒÉÒ XML (eXtensive Markup Language)
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  • ÇÔ¸Õ¡ÒûÃСÒÈ áÅÐ Ê׺¤é¹ Services ·ÕèãËéºÃÔ¡Òà ¤×Í UDDI (Universal Description, Discovery and Integration)
  • ÀÒÉÒ·Õèãªé㹡ÒÃ͸ԺÒ ËÃ×Í ºÃÃÂÒ Web Services ¤×Í WSDL (Web Services Description Language) «Ö觷Ó˹éÒ·ÕèàÊÁ×͹¤ÙèÁ×ÍãËé¡ÑºÃкº à¾×èÍãªé㹡ÒÃàÃÕ¹ÃÙéÇÔ¸ÕàÃÕ¡ãªé§Ò¹ Web Services ·Õèµéͧ¡Òà áÅÐÀÒÉÒ WSDL ¹Õé¶Ù¡¾Ñ²¹Ò¢Öé¹ÁÒâ´ÂÂÖ´àÍÒÁҵðҹ XML à»ç¹ÊÒÃÐÊӤѭ
  • WSFL ËÃ×Í Web Services Flow Language
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    • ËÃ×Í Í×è¹æ·ÕèʹѺʹع SOAP áÅÐ XML
• ʶһѵ¡ÃÃÁàªÔ§¡ÒÃãËéºÃÔ¡Òà (Service-Oriented Architecture ËÃ×Í SOA)
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    2. ¼ÙéãªéºÃÔ¡Òà (Service Requestor ËÃ×Í Service Consumer)
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    Service-Oriented Architecture
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  • ã¹¢Ñé¹ááàÁ×èͼÙéãËéºÃÔ¡Òà (àÃÒ¹ÕèáËÅÐ) ¾Ñ²¹Òâ»Ãá¡ÃÁÊÓËÃѺãËéºÃÔ¡ÒâÖé¹ÁÒàÊÃç¨àÃÕºÃéÍÂáÅéÇ ¡ç¨ÐËÒ·Ò§»ÃСÒÈãË餹Í×è¹ä´éÃѺÃÙéÇèÒ àÃÒÁÕºÃÔ¡ÒÃÍÐäÃãËéãªéºéÒ§ ¡çÊÒÁÒö·Óä´éâ´Âä»Å§·ÐàºÕ¹ÃÒÂÅÐàÍÕ´¢Í§â»Ãá¡ÃÁ ÊÓËÃѺ¡ÒÃãËéºÃÔ¡ÒâͧàÃÒäÇé¡Ñº¹Ò·ÐàºÕ¹¡ÒÃãËéºÃÔ¡ÒÃÇèÒ ºÃÔ¡ÒâͧàÃÒÁÕª×èÍàÃÕ¡ áÅФèÒ¾ÒÃÒÁÔàµÍÃìÍÐäà ãªé·ÓÍÐäà «Öè§ÀÒÉÒ·Õèãªé㹡ÒÃ͸ԺÒ ËÃ×Í ºÃÃÂÒ Web Services ¡ç¤×Í WSDL (Web Services Description Language)
  • µèÍÁÒ¹Ò·ÐàºÕ¹¡ÒÃãËéºÃÔ¡Òà (Service Repository/Registry) ¨Ð·Ó˹éÒ·ÕèÃǺÃÇÁÇèÒÁÕ¼ÙéãËéºÃÔ¡Òà (Service Provider) ÃÒÂä˹ãËéºÃÔ¡ÒÃÍÐäúéÒ§à¾×èÍà»ç¹ÈÙ¹Âì¡ÅÒ§ÊÓËÃѺ¡ÒÃÊ׺¤é¹ àÁ×èÍÁÕ¤¹µéͧ¡ÒÃãªé§Ò¹ºÃÔ¡ÒÃàËÅèÒ¹Ñé¹ «Öè§Áҵðҹ¡ÅÒ§´éҹ෤¹Ô¤¢Í§ÇÔ¸Õ¡ÒûÃСÒÈ áÅÐÊ׺¤é¹ Services ·ÕèãËéºÃÔ¡Òä×Í UDDI (Universal Description, Discovery and Integration) «Öè§à»ç¹Áҵðҹ·Õè¹ÓàʹÍâ´Â¤ÇÒÁÃèÇÁÁ×ͧ͢ËÅÒºÃÔÉÑ· àªè¹ Ariba, Microsoft, IBM à»ç¹µé¹
  • ¢Ñé¹ÊØ´·éÒ «Öè§à»ç¹ÅѡɳСÒÃãªé§Ò¹·Õèà¡Ô´¢Öé¹¹Ñé¹ ¼ÙéãªéºÃÔ¡Òà (Service Requestor/Consumer) à¡Ô´¤ÇÒÁµéͧ¡Ò÷ӧҹÍÐäúҧÍÂèÒ§ ¡çÍÒ¨¨ÐÅͧ¤é¹ËÒ´Ù¡è͹ÇèÒÁÕã¤Ãà¤ÂÊÃéÒ§ºÃÔ¡Ò÷ÕèÍÒ¨¹ÓÁÒãªéä´éËÃ×ÍäÁè ¡ç¨Ð·Ó¡ÒõԴµèÍä»Âѧ¹Ò·ÐàºÕ¹¡ÒÃãËéºÃÔ¡Òà à¾×èÍÊ׺¤é¹¡ÒúÃÔ¡Ò÷Õèµéͧ¡Òèҡ¢éÍÁÙÅã¹·Óà¹Õº¢Í§¹Ò·ÐàºÕ¹ ËÒ¡¾ººÃÔ¡Ò÷Õèµéͧ¡ÒÃáÅéÇ ¡ç¨ÐÃÙé¢éÍÁÙŨҡ·Óà¹Õº´éÇÂÇèÒ ¼ÙéãËéºÃÔ¡ÒëÖè§à»ç¹à¨éҢͧºÃÔ¡Òôѧ¡ÅèÒǹÑé¹à»ç¹ã¤Ã ÍÂÙè·Õèã´ ËÅѧ¨Ò¡¹Ñé¹¼ÙéãªéºÃÔ¡Òáç¨ÐÊÒÁÒö·Ó¡ÒõԴµè͡Ѻ¼ÙéãËéºÃÔ¡Òà à¾×èÍ¢ÍãªéºÃÔ¡ÒÃä´éâ´ÂµÃ§ ...

XML abstractions

ÇèÒ´éÇÂàÃ×èͧ XML ¡Ñ¹ÊÑ¡·Õ

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XML ·Ó˹éÒ·Õè¨Ñ´àµÃÕÂÁ¢éÍÁÙÅ·ÕèªèÇÂãËé¼Ù餹·Õèµéͧ¡Òäé¹ËÒ¢éÍÁÙÅ áÅÐ ¼ÙéãËéºÃÔ¡ÒâéÍÁÙÅÊÒÁÒö¤é¹¾º«Ö觡ѹáÅСѹä´é ã¹âÅ¡ãËÁè¢Í§ºÃÔ¡ÒÃàÇçº (Web Services) ... XML ¨Ðà»ç¹ÀÒÉÒÊÒ¡Å㹡ÒõԴµèÍÊ×èÍÊÒà «Öè§äÁèä´éà»ç¹á¤è¢éÍÁÙÅ´Ôº (Raw Data) áµèà»ç¹¢éÍÁÙÅ¢èÒÇÊÒ÷ÕèÊÒÁÒöà¢éÒã¨ä´é áÅÐ ´Óà¹Ô¹¡ÒõèÍä»ä´é 㹡ÒÃÊÃéÒ§ºÃÔ¡ÒÃàÇçº ¹Ñ¡¾Ñ²¹ÒµéͧºÃÃÂÒ¤ÇÒÁÊÒÁÒö¢Í§ºÃÔ¡ÒôéÇ XML â´ÂàÍ¡ÊÒà XML µéͧ»ÃСͺ´éÇÂÃٻẺ¢Í§¾ÒÃÒÁÔàµÍÃìÍÔ¹¾ØµáµèÅеÑÇ ÃÇÁ件֧ª¹Ô´¢éÍÁÙÅ·Õè¨ÐÊ觡ÅѺ¢Í§·Ø¡ÇÔ¸Õ¡Òà (Method) ·ÕèºÃÔ¡ÒùÑ鹨Ѵ¡ÒÃÍÂÙè Web Server ¨ÐãªéàÍ¡ÊÒùÕéà¾×èͤé¹ËÒµÓá˹觿ѧ¤ìªÑ蹡Ò÷ӧҹ·Õè¨Ð¶Ù¡àÃÕ¡ãªé áÅÐ ¼ÅÅѾ¸ì·Õèä´é¨Ð¶Ù¡Ê觡ÅѺä»à»ç¹á¾ç¤à¡çµ (Packet) XML

Sample XML

àÍÒÅèФÃѺ àÁ×èÍÃÙé·ÕèÁÒ·Õèä» ¾ÃéÍÁ¡ÑºÊ¶Ò»ÑµÂ¡ÃÃÁã¹àÃ×èͧ¢Í§ Web Services ¡Ñ¹ä»áÅéÇ ÁÒ¶Ö§¨Ø´¹ÕéËÒ¡ã¤Ãä´éÅͧàÃÔèÁµé¹ÈÖ¡ÉÒ äÁèÃÙéÇèҨФԴàËÁ×͹¼ÁËÃ×Íà»ÅèÒ ... ·ÓäÁ ??? ¹ÔÂÒÁ ¤ÇÒÁËÁÒ ÃٻẺ ¤ÇÒÁÊÑÁ¾Ñ¹¸ì ¡¯à¡³±ì Áѹ¶Ö§ÂØè§ÂÒ¡ ËÂØÁËÂÔÁä»ËÁ´ (âÇéÂ) ¾ÍàÃÔèÁ¨Ò¡ XML àÍéҾͨÐà¢éÒã¨Áѹ¡çä»ÍÕ¡áÅéÇ·Õè XSL µÒÁ¡é¹¡Ñ¹ÁÒÍÕ¡¡ç XSLT àÎéÂÍÐäâͧÁѹ ... ËÃ×ÍËѹ仴٠DOM ¡çÁÒà¨Í SAX ¤ÃÑ鹾ͨÐãªé SOAP API Áѹ¡ç¨ÕéµÙ´ÁÒ´éÇ AJAX ... Í×è¹æÍÕ¡ áÅéÇÊÓËÃѺ¤¹·ÕèÁÕ¾×é¹°Ò¹¤ÍÁ¾ÔÇàµÍÃì·ÕèäÁèá¢ç§á¡Ãè§ÊÑ¡à·èÒäùѡ à¢Ò¨ÐäÁ觧ÂÔ觡ÇèÒàÃÒàÃÍÐ (ÇèÐ) à¹Õè ... áµèàÁ×èÍÁÑèǹÔèÁä»àÃ×èÍÂæ ´éÇ¡ÒäԴẺ Backward Algorithm ¡ç¨Ñº·Ò§ä´éÇèÒ ÊÒÃÐÊӤѭÁѹÍÂÙè·Õè¡ÒÃáÅ¡à»ÅÕè¹¢éÍÁÙżèÒ¹·Ò§àÍ¡ÊÒà XML áÅÐ ËÒÇÔ¸Õ¡Ò÷ÕèàËÁÒÐÊÁà¾×è͹ӢéÍÁÙÅã¹àÍ¡ÊÒà XML ÍÍ¡ÁÒ¹ÓàÊ¹Í ... á¤è¹Õéàͧ

µéͧ¢ÍÍÀÑ´éǤÃѺ ... ¾Õè¹éͧµéͧä»ËÒÍèÒ¹àÃ×èͧÃÒǾ×é¹°Ò¹µèÒ§æ¢Í§ XML ¡Ñ¹àÍÒàͧ ¼Á¢Íá¹Ð¹Ó à¢éÒâçàÃÕ¹͹غÒÅ XML ·Õè¹ÕèàŤÃѺ ... ¾Õè¹éͧ ÃѺÃͧäÁè¼Ô´ËÇѧ áµèºÒ§¤¹¨Ð¼Ô´ËÇѧ à¾ÃÒÐÇèÒÁѹà»ç¹ÀÒÉÒÍѧ¡ÄÉ ... ¤Ô´¨Ðà»ç¹â»Ãá¡ÃÁàÁÍÃì¡ç¾ÂÒÂÒÁËÑ´ÍèÒ¹ÀÒÉÒÍѧ¡ÄÉãËéàÂÍÐæ¤ÃѺ ... ¾Õè¹éͧ

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áËÅ觢éÍÁÙÅ:

1. XML ÊÓËÃѺ¼ÙéäÁèÁÕ»ÃÐʺ¡Òóì (äÁâ¤Ã«Í¿·ì)
2. ¡ÒèѴ¡ÒâéÍÁÙÅ´éÇ XML ã¹ Office 2003 (ä·Â)
3. XML Developer Center
4. Understanding Infosets
5. ActiveX Data Objects (ADO) ¨Ò¡ Microsoft (English)
6. XML - Data
7. TopXML
8. Using MSXML3.0 with VB 6.0
9. XML and Web Services for Microsoft Developers
10. Transforming XML to HTML
11. http://www.15seconds.com/focus/XML.htm
12. Getting Started with VB 6 and XML
13. http://www.perfectxml.com/