使用960网格系统(960 Grid System)设计网页

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CSS框架已经出现很长时间了,关于这些框架的用处也被我们讨论了很多遍了。有人说,CSS框架不够先进,还有人说这些框架大大的节省了他们的开发时间。在此,我们将不再讨论这个问题。

前段时间,我了解到了CSS框架。经过对Malo、BluePrint和960做了实验对比后,我得出一个结论:我最喜欢960CSS框架。

本教程将解释这个框架的基本原理,这样你就可以用960来快速进入开发。(注:960网格系统官方网站 点击进入

基本原理

你必须知道一些基本原理来“ 学习这个框架是如何工作的 ”。你可以通过实验(或者是用firebug)来学习它,不过我也将会在这里为你介绍它。让我们开始吧。

不要编辑960.css文件

首先是一个小提示:不要编辑960.css文件,否则,将来你将不能更新这个框架。因为尽管我们需要布局我们的HTML,我们将创建一个独立的CSS文件。

加载网格

因为我们可以使用一个外部文件的CSS代码,我们必须在我们的HTML网站中加载它们,我们可以通过以下代码来实现:

  1. < link rel =”stylesheet” type =”text/css” media =”all” href =”path/to/960/reset.css” />

  2. < link rel =”stylesheet” type =”text/css” media =”all” href =”path/to/960/960.css” />

  3. < link rel =”stylesheet” type =”text/css” media =”all” href =”path/to/960/text.css” />

这些做好了之后,我们必须添加我们自己的CSS文件。例如,你可以叫这个文件为 style.css site.css 或者其它任何名字。用下面代码引用这个文件:
  1. < link rel =”stylesheet” type =”text/css” media =”all” href =”path/to/style.css” />

容器

在960框架中,你可以选择名为 .container_12 .container_16 的两个容器class。他们都是960px的宽度(这就是为什么叫960),它们的不同是分的列数不同。 .container_12 被分割为12列, .container_16 被分割为16列。这些960px宽的容器是水平居中的。

网格/列

有很多列宽可供选择,而且在这两个容器里,这些宽度也不相同。你可以通过打开 960.css 文件来查看这些宽度。但是这对于设计一个网站来说是不必要的。有一个小技巧可以让这个框架更加易用。

比如,你想要在你的容器里建两列(叫sidebar/content)。你可以这样做:

  1. < div class = "container_12" >
  2. < div class = "grid_4" > sidebar </ div >
  3. < div class = "grid_8" > maincontent </ div >
  4. </ div >

可以看到,你的第一列(grid_ 4 )的数字加上第二列(grid_ 8 )的数字正好是 12 。也就是说,你不必知道每一列的宽度,你可以选择列宽通过一些简单的数学计算。

如果我们要建一个4列的布局,代码可以是这样的:

  1. < div class = "container_12" >
  2. < div class = "grid_2" > sidebar </ div >
  3. < div class = "grid_6" > maincontent </ div >
  4. < div class = "grid_2" > photo’s </ div >
  5. < div class = "grid_2" > advertisement </ div >
  6. </ div >

正如你所看到的那样,这个系统依然很完美。但是如果你想使用嵌套的列的话,你会发现它是有问题的。比如,如果后面三列都属于content列:

  1. < div class = "container_12" >
  2. < div class = "grid_2" > sidebar </ div >
  3. < div class = "grid_10" >
  4. < div class = "grid_6" > maincontent </ div >
  5. < div class = "grid_2" > photo’s </ div >
  6. < div class = "grid_2" > advertisement </ div >
  7. </ div >
  8. </ div >

你会发现这错位了,不过不用着急,这正是我们下一节要说的。

间距

默认情况下,每列之间都有间距。每一个grid_(这里代表数字)class左右都有10个像素的间距。也就是说,两列之间,总共有20px的间距。

20px间距对创建一个有足够宽的空白间距的布局来说是很棒的,它可以让一切看起来很自然。这也是我喜欢使用960的原因之一。

在上面的例子中,我们遇到了个问题,现在我们就来解决它。

问题是,每一列都有左右边距。而嵌套的三列中,第一列和最后一列是不需要边距的,解决方法是:

  1. < div class = "container_12" >
  2. < div class = "grid_2" > sidebar </ div >
  3. < div class = "grid_10" >
  4. < div class = "grid_6alpha" > maincontent </ div >
  5. < div class = "grid_2" > photo’s </ div >
  6. < div class = "grid_2omega" > advertisement </ div >
  7. </ div >
  8. </ div >

我们可以简单的添加” alpha “样式来去掉左边的间距,添加“ omega ”样式来去除右边的间距。这样我们刚刚创建的这个例子在任何浏览器里面就很完美了(当然包括IE6)。

样式

好了,你现在已经完全了解如果用960框架来创建一个网格布局的基本原理了。当然,我们也可以添加一些样式到我们的布局中。

  1. < div class = "container_12" >
  2. < div id = "sidebar" class = "grid_2" > sidebar </ div >
  3. < div id = "content" class = "grid_10" >
  4. < div id = "main_content" class = "grid_6alpha" > maincontent </ div >
  5. < div id = "photo" class = "grid_2" > photo’s </ div >
  6. < div id = "advertise" class = "grid_2omega" > advertisement </ div >
  7. </ div >
  8. </ div >

因为CSS使用特性来确定哪一个样式声明具有高于其它样式的优先级。” id “比 class 更重要。

用这种方法,我们可以在自己的文件中重写那些被class设定的规则(比如宽度,padding,边框等)。


补充

以下是我做的一个简单的测试页面,代码如下:

  1. <!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  2. < html xmlns = "http://www.w3.org/1999/xhtml" >
  3. < head >
  4. < meta http-equiv = "Content-Type" content = "text/html;charset=gb2312" />
  5. < title > TESTPage </ title >
  6. < link href = "css/960.css" rel = "stylesheet" type = "text/css" />
  7. < link href = "css/reset.css" rel = "stylesheet" type = "text/css" />
  8. < link href = "css/text.css" rel = "stylesheet" type = "text/css" />
  9. </ head >
  10. < body >
  11. < div class = "container_16" >
  12. < div class = "grid_8" style = "background-color:#FF0000" >
  13. < div class = "grid_6omega" style = "background-color:#0000FF" > 0 </ div >
  14. < div class = "grid_2omega" style = "background-color:#FF00FF" > 00 </ div >
  15. </ div >
  16. < div class = "grid_4" style = "background-color:#00FF00" > a </ div >
  17. < div class = "grid_2" style = "background-color:#666666" > b </ div >
  18. < div class = "grid_2" style = "background-color:#666666" > c </ div >
  19. </ div >
  20. </ body >
  21. </ html >

以下是960官方的实例文档,可以看看它的网格是如何写的:

  1. <!--2009-From-http://travisisaacs.com/-->
  2. <!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  3. < html xmlns = "http://www.w3.org/1999/xhtml" dir = "ltr" lang = "en-US" >
  4. < head profile = "http://gmpg.org/xfn/11" >
  5. < meta http-equiv = "Content-Type" content = "text/html;charset=UTF-8" />
  6. < title > TravisIsaacs|MyLifeInPixels </ title >
  7. < meta name = "keywords" content = "photoshop,wordpress,userexperience,ux,uxd,ixd,interactiondesigner,interactiondesign,keynote,powerpoint,xhtml,css,webdesign,mac,timemachine,superduper,backup,aperture,canon,40d,viewzi,viewmix,views,lensrentals,lensrentals.com,infinitescrolling,cameralensrentaldallas" />
  8. < link rel = "stylesheet" href = "http://css.travisisaacs.com/2009/style.css" media = "all" />
  9. <!--[ifIE] >
  10. < link rel = "stylesheet" href = "http://css.travisisaacs.com/2009/ie.css" media = "all" />
  11. <![endif]-- >
  12. < link rel = "alternate" type = "application/rss+xml" title = "TravisIsaacs|MyLifeInPixelsRSSFeed" href = "http://travisisaacs.com/feed/" />
  13. < link rel = "pingback" href = "http://travisisaacs.com/xmlrpc.php" />
  14. < link rel = "shortcuticon" href = "http://travisisaacs.com/favicon.ico" />
  15. </ head >
  16. < body id = "TheIsaacsFamilyChristmasCard" >
  17. < div id = "header" >
  18. < div class = "container_12" >
  19. < a href = "http://travisisaacs.com" id = "return-home" title = "Gobacktothehomepage" > Thework < span class = "amp" > & </ span > thoughtsof < strong > TravisB.Isaacs </ strong > </ a >
  20. < ul id = "navigation" >
  21. < li id = "tab-work" > < a href = "http://travisisaacs.com/work/" > Work </ a > </ li >
  22. < li id = "tab-blog" > < a href = "http://travisisaacs.com/thoughts/" > Thoughts </ a > </ li >
  23. < li id = "tab-photography" > < a href = "http://travisisaacs.com/photography/" > Photography </ a > </ li >
  24. < li id = "tab-about" > < a href = "http://travisisaacs.com/about/" > About </ a > </ li >
  25. < li id = "tab-contact" > < a href = "http://travisisaacs.com/contact/" > Contact </ a > </ li >
  26. < li id = "tab-search" > < script type = "text/javascript" language = "Javascript" src = "http://vfp.viewzi.com/includes/879F-4A21-011D.js" > </ script > </ li >
  27. </ ul >
  28. </ div >
  29. </ div >
  30. < div class = "ie-center" > <!--closedinfooter-->
  31. < div class = "container_12" >
  32. < div id = "super" >
  33. < h1 > Hello.I'm < a href = "http://travisisaacs.com/about/" > TravisIsaacs </ a > ,andIdesigngreatuserexperiences. </ h1 >
  34. </ div >
  35. < div id = "content" >
  36. < div id = "recent-post" class = "grid_8alpha" >
  37. < div class = "post" >
  38. < h2 >
  39. < a href = "http://travisisaacs.com/2008/12/13/the-isaacs-family-christmas-card/" rel = "bookmark" title = "PermanentLinktoTheIsaacsFamilyChristmasCard" >
  40. TheIsaacsFamilyChristmasCard </ a >
  41. </ h2 >
  42. < div class = "post-date" >
  43. Dec13th//
  44. < span class = "comment-count" >
  45. 11comments </ span >
  46. </ div >
  47. < p > WhenplanningourfamilyChristmascardthisyear,mywifeandIdiscusstheoptionofhiringaprofessionalphotographertotakephotosofourdaughter.However,wethoughtitwouldbemuchmorefunandrewardingtodoitourselves. </ p >
  48. < a href = "http://travisisaacs.com/2008/12/13/the-isaacs-family-christmas-card/" rel = "bookmark" title = "PermanentLinktoTheIsaacsFamilyChristmasCard" > < strong > Keepreading» </ strong > </ a >
  49. </ div > <!--/post-->
  50. </ div > <!--/recent-post-->
  51. < div id = "recent-work" class = "grid_4omega" >
  52. < div class = "m_group" id = "hello" >
  53. < p > I'mTravisIsaacs,adesignerwhodabblesincode,informationarchitecture,andinteractiondesign. < a href = "http://travisisaacs.com/about/" > Moreaboutme </ a > </ p >
  54. </ div >
  55. < a href = "http://travisisaacs.com/feed/" id = "subscribe" > Subscribe </ a >
  56. </ div >
  57. < div class = "clear" > </ div >
  58. < h2 > FeaturedWork </ h2 >
  59. < a href = "http://travisisaacs.com/work/projects/tattoo-information-form/" id = "featured-work-img" title = "Viewthisproject" >
  60. < img src = "http://img.travisisaacs.com/2009/featured-work-large.jpg" alt = "featuredwork:tattoinformationsheet" />
  61. </ a >
  62. < div class = "clear" > </ div >
  63. </ div > <!--/content-->
  64. < div class = "clear" > </ div >
  65. </ div > <!--/container12-->
  66. < div class = "clear" > </ div >
  67. < div class = "clear" > </ div >
  68. < div id = "footer" class = "container_12" >
  69. < ul >
  70. < li > < a href = "http://travisisaacs.com" > Home </ a > </ li >
  71. < li > < a href = "http://travisisaacs.com/work/" > Work </ a > </ li >
  72. < li > < a href = "http://travisisaacs.com/thoughts/" > Thoughts </ a > </ li >
  73. < li > < a href = "http://travisisaacs.com/photography/" > Photography </ a > </ li >
  74. < li > < a href = "http://travisisaacs.com/about/" > About </ a > </ li >
  75. < li > < a href = "http://travisisaacs.com/contact/" > Contact </ a > </ li >
  76. </ ul >
  77. < div class = "copyright" > ©2008TravisIsaacs.AllRightsReserved. </ div >
  78. </ div >
  79. </ div > <!---/ie-center-->
  80. < script type = "text/javascript" >
  81. var gaJsHost =(("https:"==document.location.protocol)?"https://ssl.":"http://www.");
  82. document.write(unescape("%3Cscript src = '"+gaJsHost+"google-analytics.com/ga.js' type = 'text/javascript' %3E%3C/script%3E"));
  83. </ script >
  84. < script type = "text/javascript" >
  85. try{
  86. var pageTracker = _gat ._getTracker("UA-703764-4");
  87. pageTracker._trackPageview();
  88. }catch(err){} </ script >
  89. <!--WoopraCodeStart-->
  90. < script type = "text/javascript" >
  91. var _wh =(( document.location.protocol =='https:')?"https://sec1.woopra.com":"http://static.woopra.com");
  92. document.write(unescape("%3Cscript src = '"+_wh+"/js/woopra.js' type = 'text/javascript' %3E%3C/script%3E"));
  93. </ script >
  94. <!--WoopraCodeEnd-->
  95. </ body >
  96. </ html >



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使用960网格系统(960 Grid System)设计网页


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