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Web Service

Web Service. 2008-4-21. 什么是 Web 服务 ? 建立可互操作的分布式应用程序的平台 能够通过 Web 进行调用的 API GET http://localhost/weather.asp?zipcode=20171 返回数据： 21, 晴 . 这个页面就可以算作是 Web service 了 . 哪些服务 ? Google EBay 技术手段 ? SOAP REST …. Overview. Computer. Human. Shopping Trading Research.

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Web Service

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  1. Web Service 2008-4-21

  2. 什么是Web服务? • 建立可互操作的分布式应用程序的平台 • 能够通过Web进行调用的API GET http://localhost/weather.asp?zipcode=20171返回数据：21,晴. 这个页面就可以算作是Web service 了. • 哪些服务? • Google • EBay • 技术手段? • SOAP • REST • … Overview

  3. Computer Human • Shopping • Trading • Research EBay服务提供商提供了哪些服务?

  4. Get a list with keyword “T-shirt” | Search and browse | Shopping web service | Document or WSDL | XML/JSON/SOAP | Parse or use Toolkit XML Sample EBay服务使用者如何使用这些服务?

  5. XML

  6. 轻量级,介于TEXT和XML之间 不需要解析器,直接转为JavaScript数组 JSON(JavaScript Object Notation)

  7. AddOrder method SOAP

  8. (JSON) REST EBay服务提供商如何设计服务的架构?

  9. SOAP(Simple Object Access Protocol) • WSDL+UDDI+WS-* • 各个平台提供支持. • 易于设计应用级别的访问接口. • 不依赖于HTTP的多重协议. Including Google, EBay all provide web service using SOAP. • REST(Representational State Transfer) • Resources(N) + POST/PUT/GET/DELETE(CURD)(V) • 资源多重表述(JSON/XML/IMAGE) • REST最大的特点是容易被人理解,不需要额外的工具进行解析. • 早期的web service比较常用SOAP,目前REST日渐流行(Google). • Lightweight. Including Yahoo, delicious, Amazon all provide web service using REST style architecture. SOAP VS REST

  10. SOAP VS REST

  11. 公开的有50多种供开发者调用的服务 • GData(Google Data API) • Blogger, Calendar, Picasa, YouTube, Gmail(Atom) • URL • Account, Static Map, Chart • AJAX • Map, Search, Book Search, Checkout • SOAP • AdSense, AdWords • XMPP • GTalk • Toolkit • Gadget, Web Toolkit, Desktop Search, Desktop Gadget, Mashup Editor, Mapplets REST Google服务提供商提供了哪些服务?

  12. Based on Atom 1.0 and RSS 2.0 • Query • Update • Collaboration • Authentication • In the spirit of REST • Resource(URL) • Query->GET • Updates->POST/PUT/DELETE GData

  13. Get a video list(YouTube) GET http://gdata.youtube.com/feeds/api/standardfeeds/top_rated Response: Refer to : http://code.google.com/apis/youtube/developers_guide_protocol.html Google服务使用者如何使用这些服务?

  14. GET Google服务使用者如何使用这些服务?

  15. Google服务使用者如何使用这些服务?

  16. Add a calendar POST POST: Response: Google服务使用者如何使用这些服务?

  17. Account • GET https://www.google.com/accounts/ClientLogin?accountType=HOSTED_OR_GOOGLE&Email=jondoe@gmail.com&Passwd=north23AZ&service=cl • Response SID=DQAAAGgA...7Zg8CTN LSID=DQAAAGsA...lk8BBbG Auth=DQAAAGgA...dk3fA5N • Static Map • GET http://maps.google.com/staticmap?center=40.714728,-73.998672&zoom=14&size=512x512&maptype=mobile\ &markers=40.702147,-74.015794,blues%7C40.711614,-74.012318,greeng%7C40.718217,-73.998284,redc\ &key=MAPS_API_KEY • Response URL

  18. Load Engine Setting Map Setting Search AJAX Display

  19. AdSense • 针对网站主的一种服务,将广告主投放的广告投放于网站主的网站,以使网站主分享广告收益 • https://www.google.com/api/adsense/v3/AdSenseForContentService?wsdl SOAP

  20. Google Gadgets Editor + Google Gadget API http://code.google.com/apis/gadgets/docs/gs.html#GGE Gadget

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