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HTML教程-框架

Dec 26, 2016 pm 03:26 PM
html框架

框架
通过使用框架,你可以在同一个浏览器窗口中显示不止一个页面。每份HTML文档称为一个框架,并且每个框架都独立于其他的框架。

 

使用框架的坏处:

开发人员必须同时跟踪更多的HTML文档 
很难打印整张页面 
框架结构标签() 
框架结构标签()定义如何将窗口分割为框架 
每个 frameset 定义了一系列行或列 
rows/columns 的值规定了每行或每列占据屏幕的面积 
编者注:frameset 标签也被某些文章和书籍译为框架集。

 

框架标签(Frame)
Frame 标签定义了放置在每个框架中的 HTML 文档。

在下面的这个例子中,我们设置了一个两列的框架集。第一列被设置为占据浏览器窗口的 25%。第二列被设置为占据浏览器窗口的 75%。HTML 文档 "frame_a.htm" 被置于第一个列中,而 HTML 文档 "frame_b.htm" 被置于第二个列中:


  
  
基本的注意事项 - 有用的提示:
假如一个框架有可见边框,用户可以拖动边框来改变它的大小。为了避免这种情况发生,可以在 标签中加入:noresize="noresize"。

为不支持框架的浏览器添加 标签。</p> <p> </p> <p>重要提示:不能将 <body></body> 标签与 <frameset></frameset> 标签同时使用!不过,假如你添加包含一段文本的 <noframes> 标签,就必须将这段文字嵌套于 <body></body> 标签内。(在下面的第一个实例中,可以查看它是如何实现的。)</p> <p> 以上就是HTML教程-框架的内容,更多相关内容请关注PHP中文网(www.php.cn)!<br></p> <p><br></p></div><div class="wzconShengming_sp"><div class="bzsmdiv_sp">声明</div><div>本文内容由网友自发贡献,版权归原作者所有,本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容,请联系admin@php.cn</div></div></div><div class="phpgenera_Details_mainL4"><div class="phpmain1_2_top"><a href="javascript:void(0);" class="phpmain1_2_top_title">相关文章<img class="lazy" data-src="/static/imghwm/index2_title2.png" src="/static/imghw/default1.png" alt="" /></a></div><div class="phpgenera_Details_mainL4_info"><div class="phphistorical_Version2_mids"><a href="https://m.php.cn/zh/faq/1796795665.html" title="HTML:建立网页的结构" class="phphistorical_Version2_mids_img"><img onerror="this.onerror=''; this.src='/static/imghwm/default1.png'" class="lazy" data-src="https://img.php.cn/upload/article/001/253/068/174456085285529.jpg?x-oss-process=image/resize,p_40" alt="HTML:建立网页的结构" src="/static/imghw/default1.png" /></a><a href="https://m.php.cn/zh/faq/1796795665.html" title="HTML:建立网页的结构" class="phphistorical_Version2_mids_title">HTML:建立网页的结构</a><span class="Articlelist_txts_time">Apr 14, 2025 am 12:14 AM</span><p class="Articlelist_txts_p">HTML是构建网页结构的基石。1.HTML定义内容结构和语义,使用、、等标签。2.提供语义化标记,如、、等,提升SEO效果。3.通过标签实现用户交互,需注意表单验证。4.使用、等高级元素结合JavaScript实现动态效果。5.常见错误包括标签未闭合和属性值未加引号,需使用验证工具。6.优化策略包括减少HTTP请求、压缩HTML、使用语义化标签等。</p></div><div class="phphistorical_Version2_mids"><a href="https://m.php.cn/zh/faq/1796795191.html" title="从文本到网站:HTML的力量" class="phphistorical_Version2_mids_img"><img onerror="this.onerror=''; 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