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畢業(yè)設(shè)計(jì)論文-xml快速解析技術(shù)-展示頁(yè)

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【正文】 CT ABSTRACT This thesis studies a parsing technology of Extensible Markup Language,introduces SAX,DOM,VTDXML and an municationing model that based on XML the first part of the thesis,the developed background and developing trend of XML are introduced,the necessity of XMLdocument parsing and fast parsing theory are also grammar and formsrelated to XML document are discussed in chapter third part introduces thepresent parsing methods DOM and SAX and makes parison of their performances,and introduces the VTDXML parsing the basis of the first three chapters,chapter four discusses the design and implement of XML technology in data municationing model. Keywords: XML parsing; DOM; SAX; VTD; Data Communicationing Model XML 快速解析技術(shù) 目 錄 i 目 錄 第一章 緒論 ..................................................................................................................... 1 論文研究背景 ................................................................................................. 1 論文研究?jī)?nèi)容及結(jié)構(gòu) ..................................................................................... 2 第二章 可擴(kuò)展標(biāo)記語(yǔ)言 ................................................................................................. 5 XML 技術(shù)的產(chǎn)生 ........................................................................................... 5 XML 文檔語(yǔ)法基礎(chǔ) ....................................................................................... 5 文檔說(shuō)明 ............................................................................................... 7 標(biāo)記 ....................................................................................................... 9 實(shí)體引用 ............................................................................................... 9 注釋 ..................................................................................................... 10 處理指令 ............................................................................................. 10 CDATA 段 ........................................................................................... 11 XML 相關(guān)技術(shù)和標(biāo)準(zhǔn) ................................................................................. 11 DTD 和模式 ........................................................................................ 11 名域 ..................................................................................................... 13 XLink .................................................................................................. 14 XSL ..................................................................................................... 14 本章小結(jié) ....................................................................................................... 16 第三章 XML 解析技術(shù)基礎(chǔ) ........................................................................................ 17 解析原理 ....................................................................................................... 17 XML 解析器工作模式 ................................................................................. 18 文檔對(duì)象模型 ............................................................................................... 19 DOM 結(jié)構(gòu) .......................................................................................... 19 DOM 的優(yōu)缺點(diǎn) .................................................................................. 21 基于事件的簡(jiǎn)單應(yīng)用編程接口( SAX) ................................................... 21 ⅱ 目錄 SAX 結(jié)構(gòu) ............................................................................................ 21 SAX 的優(yōu)缺點(diǎn) .................................................................................... 22 基于虛擬令牌環(huán)的 XML 解析技術(shù) ............................................................ 24 VTDXML 概述 ................................................................................. 24 VTDXML 原理結(jié)構(gòu) ......................................................................... 25 VTDXML 優(yōu)點(diǎn) ................................................................................. 25 本章小結(jié) ....................................................................................................... 26 第四章 一種基于 XML 的數(shù)據(jù)通信模型的設(shè)計(jì)與實(shí)現(xiàn) ........................................... 27 監(jiān)控系統(tǒng)的數(shù)據(jù)通信 ................................................................................... 27 系統(tǒng)模型的建立 ........................................................................................... 28 系統(tǒng)實(shí)現(xiàn) ....................................................................................................... 30 網(wǎng)絡(luò)文件傳輸 ..................................................................................... 30 XML 文件封裝協(xié)議 ........................................................................... 32 XML 文件控制 ................................................................................... 33 本章小結(jié) ....................................................................................................... 35 第五章 總結(jié)與展望 ....................................................................................................... 37 致謝 ................................................................................................................................. 39 參考文獻(xiàn) ......................................................................................................................... 41 第一章 緒論 1 第 一 章 緒論 1996 年, W3C 組織開(kāi)始設(shè)計(jì)一種 Web 數(shù)據(jù)存儲(chǔ)和交換的標(biāo)準(zhǔn),這就是 XML( eXtensible MarkupLanguage,可擴(kuò)展標(biāo)記語(yǔ)言),它使得現(xiàn)有的因特網(wǎng)協(xié)議和軟件更為協(xié)調(diào),從而簡(jiǎn)化了對(duì)數(shù)據(jù)的處理和傳輸。在分析了現(xiàn)有解析方式優(yōu)劣的基礎(chǔ)上,第四章重點(diǎn)討論了XML 在監(jiān)控系統(tǒng)的數(shù)據(jù)通信模型中的設(shè)計(jì)與實(shí)現(xiàn)。在第二章中具體講解了在 XML 文檔中的語(yǔ)法和相應(yīng)的格式和標(biāo)準(zhǔn)。摘 要 摘 要 本文研究了 XML 解析技術(shù),介紹了 SAX, DOM,和 VTDXML 技術(shù)以及一種基于 XML 的數(shù)據(jù)通信模型 。文中首先對(duì) XML 產(chǎn)生背景和未來(lái)的發(fā)展趨勢(shì)進(jìn)行了介紹,分析了 XML 文檔數(shù)據(jù)解析的必要性以及快速解析理論。第三章中詳細(xì)介紹了 XML解析方式 DOM 和 SAX,并對(duì)兩種方式進(jìn)行了性能的比較 ,并在最后介紹了VTDXML 解析技術(shù) 。 關(guān)鍵詞: XML 解析; DOM; SAX。 XML 所擁有的可擴(kuò)展性、自描述性、自相容性以及跨文種等優(yōu)點(diǎn),使得它非常適于 Web 上的數(shù)據(jù)交換與信息發(fā)布,
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