XHTML+CSS创建“两步式”的相册

　XHTML+CSS创建“两步式”的相册

作者：Sheneyan　时间： 2005-09-15　文档类型：翻译　来自：蓝色理想

第 1 页 XHTML+CSS创建“两步式”的相册 [1]
第 2 页 XHTML+CSS创建“两步式”的相册 [2]
第 3 页 XHTML+CSS创建“两步式”的相册 [3]
第 4 页 XHTML+CSS创建“两步式”的相册 [4]
第 5 页 XHTML+CSS创建“两步式”的相册 [5]
第 6 页 XHTML+CSS创建“两步式”的相册 [6]
第 7 页 XHTML+CSS创建“两步式”的相册 [7]
第 8 页 XHTML+CSS创建“两步式”的相册 [8]
第 9 页 XHTML+CSS创建“两步式”的相册 [9]

步骤６

----------

定位缩略图

现在，我们要开始将这些缩略图定位到显示区域的边缘。

为了做到这个，我们要定义<li>标签的样式。

步骤６ａ－－移动上面那行的缩略图到位

/* Default style for list items */
#gallery li {
width:64px;
height:48px;
float:left;
z-index:100;
}

width:64px; 　设置宽度64px
height:48px; 设置高度48px
float:left; 让所有这些图片默认在左侧浮动。
z-index:100; 确保所有缩略图可视。

好了，这些图片已经被分组到四行并且在１７和１８之间有个空格。

步骤６ａ示例：

运行代码框
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" > <head> <meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" /> <title> A 'Two Step' CSS Photograph Gallery </title> <style type="text/css"> ul#gallery { padding:0; margin:0; width:448px; height:336px; position:relative; list-style-type:none; background:#888; } #gallery li { width:64px; height:48px; float:left; z-index:100; } #gallery a img { position:relative; width:62px; height:46px; border:1px solid #888; z-index:100; } </style> </head> <body> <h2>A 'Two Step' CSS Photograph Gallery</h2> <h3>Step 6a - Positioning the thumbnails - float left</h3> <h4>by Stu Nicholls</h4> <ul id="gallery"> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g1.jpg" alt="#1" title="#1" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g2.jpg" alt="#2" title="#2" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g3.jpg" alt="#3" title="#3" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g4.jpg" alt="#4" title="#4" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g5.jpg" alt="#5" title="#5" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g6.jpg" alt="#6" title="#6" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g7.jpg" alt="#7" title="#7" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g8.jpg" alt="#8" title="#8" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g9.jpg" alt="#9" title="#9" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g10.jpg" alt="#10" title="#10" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g11.jpg" alt="#11" title="#11" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g12.jpg" alt="#12" title="#12" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g13.jpg" alt="#13" title="#13" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g14.jpg" alt="#14" title="#14" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g15.jpg" alt="#15" title="#15" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g16.jpg" alt="#16" title="#16" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g17.jpg" alt="#17" title="#17" /></a></li> <li class="pad"></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g18.jpg" alt="#18" title="#18" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g19.jpg" alt="#19" title="#19" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g20.jpg" alt="#20" title="#20" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g21.jpg" alt="#21" title="#21" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g22.jpg" alt="#22" title="#22" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g23.jpg" alt="#23" title="#23" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g24.jpg" alt="#24" title="#24" /></a></li> </ul> </body> </html>
[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

步骤６ｂ－－移动'lft'的列表元素到左边去

/* Styling the left side of the display area */
#gallery li.lft {
float:left;
clear:left;
}

float:left;图片漂到左边去
clear:left;清除掉任何之前定义漂浮了的图片，让他们显示到底下去。

现在有点乱，不过显示区域的左边现在被填充了。

IE会添加一个小空格在每个图片的纵向之间，不过这个问题稍后会处理。

步骤６ｂ示例

运行代码框
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" > <head> <meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" /> <title> A 'Two Step' CSS Photograph Gallery </title> <style type="text/css"> ul#gallery { padding:0; margin:0; width:448px; height:336px; position:relative; list-style-type:none; background:#888; } #gallery li { width:64px; height:48px; float:left; z-index:100; } #gallery li.lft { float:left; clear:left; } #gallery a img { position:relative; width:62px; height:46px; border:1px solid #888; z-index:100; } </style> </head> <body> <h2>A 'Two Step' CSS Photograph Gallery</h2> <h3>Step 6a - Positioning the thumbnails - left side</h3> <h4>by Stu Nicholls</h4> <ul id="gallery"> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g1.jpg" alt="#1" title="#1" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g2.jpg" alt="#2" title="#2" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g3.jpg" alt="#3" title="#3" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g4.jpg" alt="#4" title="#4" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g5.jpg" alt="#5" title="#5" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g6.jpg" alt="#6" title="#6" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g7.jpg" alt="#7" title="#7" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g8.jpg" alt="#8" title="#8" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g9.jpg" alt="#9" title="#9" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g10.jpg" alt="#10" title="#10" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g11.jpg" alt="#11" title="#11" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g12.jpg" alt="#12" title="#12" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g13.jpg" alt="#13" title="#13" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g14.jpg" alt="#14" title="#14" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g15.jpg" alt="#15" title="#15" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g16.jpg" alt="#16" title="#16" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g17.jpg" alt="#17" title="#17" /></a></li> <li class="pad"></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g18.jpg" alt="#18" title="#18" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g19.jpg" alt="#19" title="#19" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g20.jpg" alt="#20" title="#20" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g21.jpg" alt="#21" title="#21" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g22.jpg" alt="#22" title="#22" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g23.jpg" alt="#23" title="#23" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g24.jpg" alt="#24" title="#24" /></a></ li></ul> </body> </html>
[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

步骤６ｃ－－移动样式为'rgt'的列表元素到右边。

/* Styling the right side of the display area */
#gallery li.rgt {
float:right;
clear:right;
}

float:right; 移动图片到右边去
clear:right; 清除所有实现设置浮动的图片，让他们显示到底下去。

如果你使用ie,你现在会看见，上面、左边和右边的图片已经在正确的位置了，但是底下那行还不是在底下。其他所有的浏览器会显示正确的顺序。

步骤６ｃ示例：

运行代码框
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" > <head> <meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" /> <title> A 'Two Step' CSS Photograph Gallery </title> <style type="text/css"> ul#gallery { padding:0; margin:0; width:448px; height:336px; position:relative; list-style-type:none; background:#888; } #gallery li { width:64px; height:48px; float:left; z-index:100; } #gallery li.lft { float:left; clear:left; } #gallery li.rgt { float:right; clear:right; } #gallery a img { position:relative; width:62px; height:46px; border:1px solid #888; z-index:100; } </style> </head> <body> <h2>A 'Two Step' CSS Photograph Gallery</h2> <h3>Step 6c - Positioning the thumbnails - right side</h3> <h4>by Stu Nicholls</h4> <ul id="gallery"> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g1.jpg" alt="#1" title="#1" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g2.jpg" alt="#2" title="#2" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g3.jpg" alt="#3" title="#3" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g4.jpg" alt="#4" title="#4" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g5.jpg" alt="#5" title="#5" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g6.jpg" alt="#6" title="#6" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g7.jpg" alt="#7" title="#7" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g8.jpg" alt="#8" title="#8" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g9.jpg" alt="#9" title="#9" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g10.jpg" alt="#10" title="#10" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g11.jpg" alt="#11" title="#11" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g12.jpg" alt="#12" title="#12" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g13.jpg" alt="#13" title="#13" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g14.jpg" alt="#14" title="#14" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g15.jpg" alt="#15" title="#15" /></a></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g16.jpg" alt="#16" title="#16" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g17.jpg" alt="#17" title="#17" /></a></li> <li class="pad"></li> <li class="lft"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g18.jpg" alt="#18" title="#18" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g19.jpg" alt="#19" title="#19" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g20.jpg" alt="#20" title="#20" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g21.jpg" alt="#21" title="#21" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g22.jpg" alt="#22" title="#22" /></a></li> <li><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g23.jpg" alt="#23" title="#23" /></a></li> <li class="rgt"><a href="#nogo"><img src="http://sheneyan.com/image/article/css_gallery2/g24.jpg" alt="#24" title="#24" /></a></li> </ul> <p>Internet Explorer will have the bottom row out of position. Other browsers will be correctly positioned.</p> </body> </html>
[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]

这里有一个特定的列表元素(class="pad")被借用来播放图片。我们将设置这个样式来强制底部那行图片进入正确位置。

出处：蓝色理想
责任编辑：moby

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