It can also be thought of as parsing out chunks of information from a page. Web pages are coded in HTML, which uses a tree-like structure to represent the information.
页面抓取本质上是HTML页面的反向工程，也可以看成页面解释器，网页以HTML编码，HTML以树型结构表示信息，实际数据与布局代码以及效果信息混杂在一起，不能被计算机直接利用。
Optionally, specify information for the page that will introduce the Web page to users.
可选地，也可以为将这个We b页介绍给用户的页面指定信息。
This is handy when testing Web applications because you never know how long it will take the Web page to finish loading and rendering information.
在测试Web应用程序时这是非常方便的，因为你并不知道下载网页和显示信息需要多少时间。
Like Web boxes, Web Service boxes display excerpted information in the margins of a page; however, Web Service boxes can obtain their content from other sites.
与We b箱一样，Web服务箱在页面空白处显示摘录信息；但是，Web服务箱可以从其他站点获得其内容。
We also specified that we want to generate a Web page listing used to display information about the feature we provide.
这里还指定了要生成一份web页面清单，用于显示有关所提供功能部件的信息。
It can now be associated with widgets in the Lotus mashup Editor to create a Web page that displays the mashup information in a tabular or graphical fashion.
现在，可以在LotusmashupEditor中将它与小部件关联，以创建一个web页面，该页面以表格或图形化方式显示mashup信息。
Design your new Web page so that it contains only necessary user information.
设计新的We b页，使它只包含必要的用户信息。
However, as a Web application developer, you might want to automate that search or enable your Web page visitors to view information retrieved from the blogosphere based on their own search criteria.
不过，作为Web应用程序开发人员，您可能希望自动化这个搜索过程，或者让web页面的访问者根据自己的搜索条件查看从博客圈找到的信息。
Notice that the vast majority of information in either the Web page or source XHTML view is of absolutely no concern to us.
请注意，无论是在Web页面还是源xhtml视图中的绝大多数的信息都与我们完全无关。
The Web application must rewrite every URL sent in a Web page to the user, or else the session information can be lost.
Web应用程序必须重写每一个在 Web页面中发送给用户的URL，否则将丢失该会话信息。
Suppose you simply let a Web page like Weblog.html list some information about the latest few hits to a Web site.
假定您只让像Weblog . html这样的Web页面列出有关对网站的最近几次访问的信息。
Each result contains a link to a FairShare page that has more information and a stored capture of the Web page in question.
每个比较结果中都包含一个链接，它链接到FairShare页面，该页面提供更多的详细信息，以及有问题的网页截图。
I'm just saying that credit card companies should not tell their customers to enter all their account information on "the Web page in the E-mail that we sent you."
我只是想说：一家信用卡公司不应该告诉其用户在“以电子邮件形式发过来的web页面”中输入帐户信息。
An iFrame of a complete Web page typically includes the page header and navigation information, which is not desirable in a portlet.
完整网页的iF rame通常包含页Header和导航信息，而这并不是Portlet中所希望的方式。
WAI-ARIA ACTS like a contract between the ATs and the Web user interface, which brings more rich information such as roles and states to the Web page user interface.
WAI- ARIA充当AT和Web用户界面之间的协议，这为Web页面用户界面带来了更加丰富的信息，比如角色和状态。
You can use the Ajax solution to display any data or information based on the contents of the Web page they are viewing.
可以使用Ajax解决方案显示基于当前查看的Web页面内容的任何数据或信息。
The GNU make Web page provides information about and downloads of the GNU make utility.
GNUmakeweb页面提供关于GNU make实用工具的信息，以及下载。
Take a page that has some event information on it — start time, end time, location, subject, Web page, and so on.
获得一个包含某些事件信息的页面：开始时间、结束时间、位置、主题、web页面，等等。
This method retrieves the information that user entered in the previous Web page, and then sets the locale and time zone information to its internationalization invocation context.
这个方法检索在前面提到的那个Web页面内用户输入的信息 ，然后将地区和时区信息设置入它的国际化调用上下文。
Most take the form of some proprietary query language that maps sections of an HTML page into code that populates a database with information from the Web page.
大多数方法都采用一些专用查询语言的形式把html页面的各个部分映射成代码，而这些代码将Web页面上的信息填入到数据库中。
You can then extract the information about all of those items in an Atom feed, which you can then use to display the information on a Web page.
然后就可以在Atomfeed中解压所有与这些项有关的信息，再使用这个 Atom feed 在Web 页面上把信息显示出来。
In this attack, an attacker USES weaknesses in the design of the database or Web page to extract information or even manipulate information within the database.
在这种攻击中，攻击者利用数据库或web页面的设计缺陷从数据库提取信息，甚至操纵数据库的信息。
This "submission-less" process works through the use of Ajax, which lets Web developers transmit information between a Web client (browser) and a Web server without requiring page refreshes.
这种“submission -less”过程通过使用Ajax实现，Ajax使Web开发人员在不需要刷新页面的情况下在Web客户机(浏览器)和Web服务器之间传输信息。
Ajax provides a way to increase the interactivity of a Web page by enabling users to request new information without refreshing an entire page.
Ajax可提高web页面的交互性，方法是使用户可以请求新信息而不刷新整个页面。
After this synchronized information can dynamically be integrated in the enterprise Intranet Web page for further processing.
实现同步之后，可以将同步后的信息动态集成在企业内部web页面中，以便进行进一步处理。
The homepage ref attribute is specifically used to point to a Web URL so that a user may go to a Web page that provides more information about the application.
homepageref属性是专门用于指向WebURL从而用户可以去提供了关于应用程序的更多的信息的web页面。
A single web page shows all relevant information in three frames.
一个Web页面分三个框架显示所有相关信息。
Information useful to a Web page, such as a hyperlink or a form, may not be useful on a printed page.
在Web页面上有意义的某些信息(比如超链接或表单)在打印的页面上可能没有意义。
Once you are familiar with the techniques detailed previously in this article, you can read any information from the web page, not just the links that you can follow.
一旦您熟悉了本文前面详细介绍的技术，就可以从Web页面上读取任何信息，而不仅限于可以关注的链接。
Once you are familiar with the techniques detailed previously in this article, you can read any information from the web page, not just the links that you can follow.
一旦您熟悉了本文前面详细介绍的技术，就可以从Web页面上读取任何信息，而不仅限于可以关注的链接。
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