
<!--Google 468*60橫幅廣告開(kāi)始--><script type="text/javascript"><!-- google_ad_client = "pub-7343546549496470"; google_ad_width = 468; google_ad_height = 60; google_ad_format = "468x60_as"; google_ad_type = "image"; //2007-07-26: CSDN google_ad_channel = "6063905817"; google_color_border = "6699CC"; google_color_bg = "E6E6E6"; google_color_link = "FFFFFF"; google_color_text = "333333"; google_color_url = "AECCEB"; google_ui_features = "rc:6"; //--> </script><script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script><!--Google 468*60橫幅廣告結(jié)束-->
CSS框架已經(jīng)出現(xiàn)很長(zhǎng)時(shí)間了,關(guān)于這些框架的用處也被我們討論了很多遍了。有人說(shuō),CSS框架不夠先進(jìn),還有人說(shuō)這些框架大大的節(jié)省了他們的開(kāi)發(fā)時(shí)間。在此,我們將不再討論這個(gè)問(wèn)題。
前段時(shí)間,我了解到了CSS框架。經(jīng)過(guò)對(duì)Malo、BluePrint和960做了實(shí)驗(yàn)對(duì)比后,我得出一個(gè)結(jié)論:我最喜歡960CSS框架。
本教程將解釋這個(gè)框架的基本原理,這樣你就可以用960來(lái)快速進(jìn)入開(kāi)發(fā)。(注:960網(wǎng)格系統(tǒng)官方網(wǎng)站 點(diǎn)擊進(jìn)入 )
基本原理
你必須知道一些基本原理來(lái)“ 學(xué)習(xí)這個(gè)框架是如何工作的 ”。你可以通過(guò)實(shí)驗(yàn)(或者是用firebug)來(lái)學(xué)習(xí)它,不過(guò)我也將會(huì)在這里為你介紹它。讓我們開(kāi)始吧。
不要編輯960.css文件
首先是一個(gè)小提示:不要編輯960.css文件,否則,將來(lái)你將不能更新這個(gè)框架。因?yàn)楸M管我們需要布局我們的HTML,我們將創(chuàng)建一個(gè)獨(dú)立的CSS文件。
加載網(wǎng)格
因?yàn)槲覀兛梢允褂靡粋€(gè)外部文件的CSS代碼,我們必須在我們的HTML網(wǎng)站中加載它們,我們可以通過(guò)以下代碼來(lái)實(shí)現(xiàn):
- < link rel =”stylesheet” type =”text/css” media =”all” href =”path/to/960/reset.css” />
-
- < link rel =”stylesheet” type =”text/css” media =”all” href =”path/to/960/960.css” />
-
- < link rel =”stylesheet” type =”text/css” media =”all” href =”path/to/960/text.css” />
-
- < link rel =”stylesheet” type =”text/css” media =”all” href =”path/to/style.css” />
容器
在960框架中,你可以選擇名為 .container_12 和 .container_16 的兩個(gè)容器class。他們都是960px的寬度(這就是為什么叫960),它們的不同是分的列數(shù)不同。 .container_12 被分割為12列, .container_16 被分割為16列。這些960px寬的容器是水平居中的。
網(wǎng)格/列
有很多列寬可供選擇,而且在這兩個(gè)容器里,這些寬度也不相同。你可以通過(guò)打開(kāi) 960.css 文件來(lái)查看這些寬度。但是這對(duì)于設(shè)計(jì)一個(gè)網(wǎng)站來(lái)說(shuō)是不必要的。有一個(gè)小技巧可以讓這個(gè)框架更加易用。
比如,你想要在你的容器里建兩列(叫sidebar/content)。你可以這樣做:
- < div class = "container_12" >
- < div class = "grid_4" > sidebar </ div >
- < div class = "grid_8" > maincontent </ div >
- </ div >
可以看到,你的第一列(grid_ 4 )的數(shù)字加上第二列(grid_ 8 )的數(shù)字正好是 12 。也就是說(shuō),你不必知道每一列的寬度,你可以選擇列寬通過(guò)一些簡(jiǎn)單的數(shù)學(xué)計(jì)算。
如果我們要建一個(gè)4列的布局,代碼可以是這樣的:
- < div class = "container_12" >
- < div class = "grid_2" > sidebar </ div >
- < div class = "grid_6" > maincontent </ div >
- < div class = "grid_2" > photo’s </ div >
- < div class = "grid_2" > advertisement </ div >
- </ div >
正如你所看到的那樣,這個(gè)系統(tǒng)依然很完美。但是如果你想使用嵌套的列的話,你會(huì)發(fā)現(xiàn)它是有問(wèn)題的。比如,如果后面三列都屬于content列:
- < div class = "container_12" >
- < div class = "grid_2" > sidebar </ div >
- < div class = "grid_10" >
- < div class = "grid_6" > maincontent </ div >
- < div class = "grid_2" > photo’s </ div >
- < div class = "grid_2" > advertisement </ div >
- </ div >
- </ div >
你會(huì)發(fā)現(xiàn)這錯(cuò)位了,不過(guò)不用著急,這正是我們下一節(jié)要說(shuō)的。
間距
默認(rèn)情況下,每列之間都有間距。每一個(gè)grid_(這里代表數(shù)字)class左右都有10個(gè)像素的間距。也就是說(shuō),兩列之間,總共有20px的間距。
20px間距對(duì)創(chuàng)建一個(gè)有足夠?qū)挼目瞻组g距的布局來(lái)說(shuō)是很棒的,它可以讓一切看起來(lái)很自然。這也是我喜歡使用960的原因之一。
在上面的例子中,我們遇到了個(gè)問(wèn)題,現(xiàn)在我們就來(lái)解決它。
問(wèn)題是,每一列都有左右邊距。而嵌套的三列中,第一列和最后一列是不需要邊距的,解決方法是:
- < div class = "container_12" >
- < div class = "grid_2" > sidebar </ div >
- < div class = "grid_10" >
- < div class = "grid_6alpha" > maincontent </ div >
- < div class = "grid_2" > photo’s </ div >
- < div class = "grid_2omega" > advertisement </ div >
- </ div >
- </ div >
我們可以簡(jiǎn)單的添加” alpha “樣式來(lái)去掉左邊的間距,添加“ omega ”樣式來(lái)去除右邊的間距。這樣我們剛剛創(chuàng)建的這個(gè)例子在任何瀏覽器里面就很完美了(當(dāng)然包括IE6)。
樣式
好了,你現(xiàn)在已經(jīng)完全了解如果用960框架來(lái)創(chuàng)建一個(gè)網(wǎng)格布局的基本原理了。當(dāng)然,我們也可以添加一些樣式到我們的布局中。
- < div class = "container_12" >
- < div id = "sidebar" class = "grid_2" > sidebar </ div >
- < div id = "content" class = "grid_10" >
- < div id = "main_content" class = "grid_6alpha" > maincontent </ div >
- < div id = "photo" class = "grid_2" > photo’s </ div >
- < div id = "advertise" class = "grid_2omega" > advertisement </ div >
- </ div >
- </ div >
因?yàn)镃SS使用特性來(lái)確定哪一個(gè)樣式聲明具有高于其它樣式的優(yōu)先級(jí)。” id “比 class 更重要。
用這種方法,我們可以在自己的文件中重寫(xiě)那些被class設(shè)定的規(guī)則(比如寬度,padding,邊框等)。
補(bǔ)充
以下是我做的一個(gè)簡(jiǎn)單的測(cè)試頁(yè)面,代碼如下:
- <!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- < html xmlns = "http://www.w3.org/1999/xhtml" >
- < head >
- < meta http-equiv = "Content-Type" content = "text/html;charset=gb2312" />
- < title > TESTPage </ title >
- < link href = "css/960.css" rel = "stylesheet" type = "text/css" />
- < link href = "css/reset.css" rel = "stylesheet" type = "text/css" />
- < link href = "css/text.css" rel = "stylesheet" type = "text/css" />
- </ head >
- < body >
- < div class = "container_16" >
- < div class = "grid_8" style = "background-color:#FF0000" >
- < div class = "grid_6omega" style = "background-color:#0000FF" > 0 </ div >
- < div class = "grid_2omega" style = "background-color:#FF00FF" > 00 </ div >
- </ div >
- < div class = "grid_4" style = "background-color:#00FF00" > a </ div >
- < div class = "grid_2" style = "background-color:#666666" > b </ div >
- < div class = "grid_2" style = "background-color:#666666" > c </ div >
- </ div >
- </ body >
- </ html >
以下是960官方的實(shí)例文檔,可以看看它的網(wǎng)格是如何寫(xiě)的:
- <!--2009-From-http://travisisaacs.com/-->
- <!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- < html xmlns = "http://www.w3.org/1999/xhtml" dir = "ltr" lang = "en-US" >
- < head profile = "http://gmpg.org/xfn/11" >
- < meta http-equiv = "Content-Type" content = "text/html;charset=UTF-8" />
- < title > TravisIsaacs|MyLifeInPixels </ title >
- < 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" />
- < link rel = "stylesheet" href = "http://css.travisisaacs.com/2009/style.css" media = "all" />
- <!--[ifIE] >
- < link rel = "stylesheet" href = "http://css.travisisaacs.com/2009/ie.css" media = "all" />
- <![endif]-- >
- < link rel = "alternate" type = "application/rss+xml" title = "TravisIsaacs|MyLifeInPixelsRSSFeed" href = "http://travisisaacs.com/feed/" />
- < link rel = "pingback" href = "http://travisisaacs.com/xmlrpc.php" />
- < link rel = "shortcuticon" href = "http://travisisaacs.com/favicon.ico" />
- </ head >
- < body id = "TheIsaacsFamilyChristmasCard" >
- < div id = "header" >
- < div class = "container_12" >
- < a href = "http://travisisaacs.com" id = "return-home" title = "Gobacktothehomepage" > Thework < span class = "amp" > & </ span > thoughtsof < strong > TravisB.Isaacs </ strong > </ a >
- < ul id = "navigation" >
- < li id = "tab-work" > < a href = "http://travisisaacs.com/work/" > Work </ a > </ li >
- < li id = "tab-blog" > < a href = "http://travisisaacs.com/thoughts/" > Thoughts </ a > </ li >
- < li id = "tab-photography" > < a href = "http://travisisaacs.com/photography/" > Photography </ a > </ li >
- < li id = "tab-about" > < a href = "http://travisisaacs.com/about/" > About </ a > </ li >
- < li id = "tab-contact" > < a href = "http://travisisaacs.com/contact/" > Contact </ a > </ li >
- < li id = "tab-search" > < script type = "text/javascript" language = "Javascript" src = "http://vfp.viewzi.com/includes/879F-4A21-011D.js" > </ script > </ li >
- </ ul >
- </ div >
- </ div >
- < div class = "ie-center" > <!--closedinfooter-->
- < div class = "container_12" >
- < div id = "super" >
- < h1 > Hello.I'm < a href = "http://travisisaacs.com/about/" > TravisIsaacs </ a > ,andIdesigngreatuserexperiences. </ h1 >
- </ div >
- < div id = "content" >
- < div id = "recent-post" class = "grid_8alpha" >
- < div class = "post" >
- < h2 >
- < a href = "http://travisisaacs.com/2008/12/13/the-isaacs-family-christmas-card/" rel = "bookmark" title = "PermanentLinktoTheIsaacsFamilyChristmasCard" >
- TheIsaacsFamilyChristmasCard </ a >
- </ h2 >
- < div class = "post-date" >
- Dec13th//
- < span class = "comment-count" >
- 11comments </ span >
- </ div >
- < p > WhenplanningourfamilyChristmascardthisyear,mywifeandIdiscusstheoptionofhiringaprofessionalphotographertotakephotosofourdaughter.However,wethoughtitwouldbemuchmorefunandrewardingtodoitourselves. </ p >
- < a href = "http://travisisaacs.com/2008/12/13/the-isaacs-family-christmas-card/" rel = "bookmark" title = "PermanentLinktoTheIsaacsFamilyChristmasCard" > < strong > Keepreading? </ strong > </ a >
- </ div > <!--/post-->
- </ div > <!--/recent-post-->
- < div id = "recent-work" class = "grid_4omega" >
- < div class = "m_group" id = "hello" >
- < p > I'mTravisIsaacs,adesignerwhodabblesincode,informationarchitecture,andinteractiondesign. < a href = "http://travisisaacs.com/about/" > Moreaboutme </ a > </ p >
- </ div >
- < a href = "http://travisisaacs.com/feed/" id = "subscribe" > Subscribe </ a >
- </ div >
- < div class = "clear" > </ div >
- < h2 > FeaturedWork </ h2 >
- < a href = "http://travisisaacs.com/work/projects/tattoo-information-form/" id = "featured-work-img" title = "Viewthisproject" >
- < img src = "http://img.travisisaacs.com/2009/featured-work-large.jpg" alt = "featuredwork:tattoinformationsheet" />
- </ a >
- < div class = "clear" > </ div >
- </ div > <!--/content-->
- < div class = "clear" > </ div >
- </ div > <!--/container12-->
- < div class = "clear" > </ div >
- < div class = "clear" > </ div >
- < div id = "footer" class = "container_12" >
- < ul >
- < li > < a href = "http://travisisaacs.com" > Home </ a > </ li >
- < li > < a href = "http://travisisaacs.com/work/" > Work </ a > </ li >
- < li > < a href = "http://travisisaacs.com/thoughts/" > Thoughts </ a > </ li >
- < li > < a href = "http://travisisaacs.com/photography/" > Photography </ a > </ li >
- < li > < a href = "http://travisisaacs.com/about/" > About </ a > </ li >
- < li > < a href = "http://travisisaacs.com/contact/" > Contact </ a > </ li >
- </ ul >
- < div class = "copyright" > ?2008TravisIsaacs.AllRightsReserved. </ div >
- </ div >
- </ div > <!---/ie-center-->
- < script type = "text/javascript" >
- var gaJsHost =(("https:"==document.location.protocol)?"https://ssl.":"http://www.");
- document.write(unescape("%3Cscript src = '"+gaJsHost+"google-analytics.com/ga.js' type = 'text/javascript' %3E%3C/script%3E"));
- </ script >
- < script type = "text/javascript" >
- try{
- var pageTracker = _gat ._getTracker("UA-703764-4");
- pageTracker._trackPageview();
- }catch(err){} </ script >
- <!--WoopraCodeStart-->
- < script type = "text/javascript" >
- var _wh =(( document.location.protocol =='https:')?"https://sec1.woopra.com":"http://static.woopra.com");
- document.write(unescape("%3Cscript src = '"+_wh+"/js/woopra.js' type = 'text/javascript' %3E%3C/script%3E"));
- </ script >
- <!--WoopraCodeEnd-->
- </ body >
- </ html >
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使用960網(wǎng)格系統(tǒng)(960 Grid System)設(shè)計(jì)網(wǎng)頁(yè)
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