XForms 1.0 推荐标准 第1部分
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1 XForms 1.0说明
1.1 背景
Forms are an important part of the Web, and they continue to be the primary means for enabling interactive Web applications. Web applications and electronic commerce solutions have sparked the demand for better Web forms with richer interactions. XForms 1.0 is the response to this demand, and provides a new platform-independent markup language for online interaction between a person (through an XForms Processor (http://www.w3.org/TR/xforms/index-all.html#def-XForms-Processor)) and another, usually remote, agent. XForms are the successor to HTML forms, and benefit from the lessons learned from HTML forms.
Further background information on XForms can be found at http://www.w3.org/MarkUp/Forms/ (http://www.w3.org/MarkUp/Forms/).
表单是Web的重要部分，它一直是进行交互式Web应用的主要方式。Web应用程序以及电子商务解决方案激发了富有交互功能的Web表单的应用需求。XForms 1.0便是对这种需求的一种响应。它为用户（通过XForms处理器 (http://www.w3.org/TR/xforms/index-all.html#def-XForms-Processor)）与另一端（通常为远程用户或代理）之间的在线交互提供了一种新的平台无关的标记语言。XForms借鉴了HTML表单并发扬光大。
更多关于XForm的背景材料参见http://www.w3.org/MarkUp/Forms/ (http://www.w3.org/MarkUp/Forms/)。
1.2 阅读说明书
This specification has been written with various types of readers in mind—in particular XForms authors and XForms implementors. We hope the specification will provide authors with the tools they need to write efficient, attractive and accessible documents without overexposing them to the XForms implementation details. Implementors, however, should find all they need to build conforming XForms Processors. The specification begins with a general presentation of XForms before specifying the technical details of the various XForms components.
The specification has been written with various modes of presentation in mind. In case of a discrepancy, the online electronic version is considered the authoritative version of the document.
This document uses the terms may, must, and should in accord with [RFC 2119 (http://www.w3.org/TR/xforms/index-all.html#ref-rfc-2119)].
这份规范已经被各种类型的读者在头脑中书写了无数遍，尤其是XForms的代码编写者与执行者。我们希望能够提供一种工具帮助代码编写者写出高效的、有吸引力的、易于理解的文档，而不需要他们理解XForms的实现细节。然而，执行者需要使用所有可得的资源来建立XForms处理器。这份规范首先对XForms进行概述，然后详述XForms组成部分的技术细节。
这份规范有众多不同的表述模式，为避免差异，本网站上的电子版本被视为权威版本。
本规范中使用的术语“可选的”、“必需的”、“推荐的”、“可能”、“必定”、“应该”符合[RFC 2119]标准。
1.3 How the Specification is Organized
The specification is organized into the following chapters:
Chapters 1 and 2
An introduction to XForms. The introduction outlines the design principles and includes a brief tutorial on XForms.
Chapters 3 and up
XForms reference manual. The bulk of the reference manual consists of the specification of XForms. This reference defines XForms and how XForms Processors must interpret the various components in order to claim conformance.
Appendixes
Appendixes contain a normative description of XForms described in XML Schema, information on references, and other useful information.
1.3 说明书段落结构
本说明书由下列章节组成:
第一、二章
XForms绪论. 绪论简要叙述了XForms的设计原则及其大纲指南。
第三章及后续章节
XForms参考手册. 参考手册是对的XForms详细说明. 它对XForms进行定义，同时规定处理XForms文件的标准方法。
附录
附录中使用XML Schema对XForms进行标准化的描述,参考资料以及其他一些有用信息。
1.4 Documentation Conventions
Throughout this document, the following namespace prefixes and corresponding namespace identifiers are used:
xforms: The XForms namespace (http://www.w3.org/2002/xforms) 3.1 The XForms Namespace
html: The XHTML namespace (http://www.w3.org/1999/xhtml) [XHTML 1.0 (http://www.w3.org/TR/xforms/index-all.html#ref-xhtml-1.0)]
xsd: The XML Schema namespace (http://www.w3.org/2001/XMLSchema)[XML Schema part 1 (http://www.w3.org/TR/xforms/index-all.html#ref-xschema-1)]
xsi: The XML Schema for instances namespace (http://www.w3.org/2001/XMLSchema-instance)[XML Schema part 1 (http://www.w3.org/TR/xforms/index-all.html#ref-xschema-1)]
ev: The XML Events namespace (http://www.w3.org/2001/xml-events)[XML Events (http://www.w3.org/TR/xforms/index-all.html#ref-xml-events)]
my: Any user defined namespace
This is only a convention; any namespace prefix may be used in practice.
The following typographical conventions are used to present technical material in this document.
Official terms are defined in the following manner: [Definition: You can find most terms in chapter 13 Glossary Of Terms]. Links to terms may be specially highlighted where necessary.
The XML representations of various elements within XForms are presented using the syntax for Abstract Modules in XHTML Modularization [XHTML Modularization (http://www.w3.org/TR/xforms/index-all.html#ref-xhtml-mod)].
Examples are set off typographically:
Example: Example item
Example Item
References to external documents appear as follows: [Sample Reference (http://www.w3.org/TR/xforms/index-all.html#ref-example)] with links to the references section of this document.
Sample Reference
Reference - linked to from above.
The following typesetting convention is used for non-normative commentary:
Note:
A gentle explanation or admonition to readers.
1.4 文档中使用的惯用命名方法
本文中使用下列前缀及相应的标识符:
xforms: XForms命名空间(http://www.w3.org/2002/xforms) 3.1 XForms命名空间
html: XHTML命名空间(http://www.w3.org/1999/xhtml) [XHTML 1.0 (http://www.w3.org/TR/xforms/index-all.html#ref-xhtml-1.0)]
xsd: XML Schema命名空间(http://www.w3.org/2001/XMLSchema)[XML Schema part 1 (http://www.w3.org/TR/xforms/index-all.html#ref-xschema-1)]
xsi: The XML Schema for instances namespace (http://www.w3.org/2001/XMLSchema-instance)[XML Schema part 1 (http://www.w3.org/TR/xforms/index-all.html#ref-xschema-1)]
ev: XML事件命名空间(http://www.w3.org/2001/xml-events)[XML Events (http://www.w3.org/TR/xforms/index-all.html#ref-xml-events)]
my: 所有用户定义的命名空间
上面这些只是一些约定俗成的东西; 在实际应用中你可以使用任何你喜欢的前缀命名方法.
The following typographical conventions are used to present technical material in this document.
官方术语定义方式: [定义: 大多数术语 可查阅章节 13 术语表]. 术语链接有必要时会突出显示。
The XML representations of various elements within XForms are presented using the syntax for Abstract Modules in XHTML Modularization [XHTML Modularization (http://www.w3.org/TR/xforms/index-all.html#ref-xhtml-mod)].
Examples are set off typographically:
Example: Example item
Example Item
References to external documents appear as follows: [Sample Reference (http://www.w3.org/TR/xforms/index-all.html#ref-example)] with links to the references section of this document.
Sample Reference
Reference - linked to from above.
The following typesetting convention is used for non-normative commentary:
Note:
A gentle explanation or admonition to readers.
