让声明的命名空间生效

Ove*_*ked 1 html css xml xhtml xml-namespaces

我试图在外部CSS(实际上是两个单独的文件)中编写名称空间.当我在浏览器上运行该文件时,它将不使用声明的命名空间.我认为该文件正在调用css文件,但它没有应用命名空间样式

HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<?xml version="1.0" encoding="utf-8"?>


<html xmlns:act="http://www.superstarmovies.com/actors" 
  xmlns:mov="http://www.superstarmovies.com/movies"
  xmlns="http://www.w3.org/1999/xhtml" >

<head>
<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" />
<title>Superstar Movies: Stars of the Month</title>
<link rel="stylesheet" href="movies.css"  type="text/css" ?>
<link rel="stylesheet" href="actors.css" type="text/css" ?>
<link rel="stylesheet" href="superstar.css" type="text/css" />
</head>

<body>
<div id="heading"><img src="logo.gif" alt="Superstar Movies" /></div>

<div id="main">
<h1>Stars of the Month</h1>
<h3>Movies by Our Featured Stars!</h3>
<act:actors>

    <act:actor>
        <act:name>Halle Berry</act:name>
    <act:date>August 14, 1966</act:date>
    <act:birthplace>Cleveland, Ohio</act:birthplace>
          <mov:movie genre="action" star="Halle Berry">
        <mov:name>Catwoman</mov:name>
    <mov:date>(2004)</mov:date>
    <mov:length>104 minutes</mov:length>
    </mov:movie>

    <mov:movie genre="horror" star="Halle Berry">
        <mov:name>Gothika</mov:name>
    <mov:date>(2003)</mov:date>
    <mov:length>98 minutes</mov:length>
    </mov:movie>

    <mov:movie genre="drama" star="Halle Berry">
        <mov:name>Monster&apos;s Ball</mov:name>
    <mov:date>(2001)</mov:date>
    <mov:length>111 minutes</mov:length>
    </mov:movie>

    <mov:movie genre="fantasy" star="Halle Berry">
        <mov:name>X-Men</mov:name>
    <mov:date>(2000)</mov:date>
    <mov:length>104 minutes</mov:length>
    </mov:movie>

    <mov:movie genre="romance" star="Halle Berry">
        <mov:name>Jungle Fever</mov:name>
    <mov:date>(1991)</mov:date>
    <mov:length>132 minutes</mov:length>
    </mov:movie>
    </act:actor>

    <act:actor>
    <act:name>Tom Hanks</act:name>
    <act:date>July 9, 1956</act:date>
    <act:birthplace>Concord, California</act:birthplace>

<mov:movie genre="drama" star="Tom Hanks">
    <mov:name>Catch Me If You Can</mov:name>
<mov:date>(2002)</mov:date>
<mov:length>141 minutes</mov:length>
</mov:movie>

<mov:movie genre="adventure" star="Tom Hanks">
    <mov:name>Cast Away</mov:name>
<mov:date>(2000)</mov:date>
<mov:length>143 minutes</mov:length>
</mov:movie>

<mov:movie genre="action" star="Tom Hanks">
    <mov:name>Saving Private Ryan</mov:name>
<mov:date>(1998)</mov:date>
<mov:length>170 minutes</mov:length>
</mov:movie>

<mov:movie genre="adventure" star="Tom Hanks">
    <mov:name>Apollo 13</mov:name>
<mov:date>(1995)</mov:date>
<mov:length>140 minutes</mov:length>
</mov:movie>

<mov:movie genre="comedy" star="Tom Hanks">
    <mov:name>Forrest Gump</mov:name>
<mov:date>(1994)</mov:date>
<mov:length>142 minutes</mov:length>
</mov:movie>

<mov:movie genre="drama" star="Tom Hanks">
    <mov:name>Philadelphia</mov:name>
<mov:date>(1993)</mov:date>
<mov:length>125 minutes</mov:length>
</mov:movie>

<mov:movie genre="comedy" star="Tom Hanks">
    <mov:name>Big</mov:name>
<mov:date>(1988)</mov:date>
<mov:length>104 minutes</mov:length>
</mov:movie>
    </act:actor>

</act:actors>
</div>

 <address>
Superstar Movies &#183; 123 Moviestar Lane &#183; Hollywood, FL 12345
</address>

</body>

</html>
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CSS

 @namespace act "http://www.superstarmovies.com/actors";

act|actor        {display: block; font-family: Arial, Helvetica, sans-serif;
          margin-bottom: 20pt}

act|name, act|date   {display: block}

act|name         {font-size: 14pt; color: DarkRed; font-style: bold}

act|date, act|birthplace   {display: inline; font-style: italic; color: DarkRed}

act|birthplace         {padding-left: 0.5em}

@namespace mov "http://www.superstarmovies.com/movies";

mov|movie        {display:block; font-family: Arial, Helvetica, sans-serif}

mov|name, mov|date, mov|length  {display: inline}

mov|name         {font-style: bold; color:#003;}

mov|length       {font-style: italics; padding-left: 0.5em}
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思考?

Bol*_*ock 5

在您的XHTML中:

  1. 您的标记格式不正确:

    • 您的XML声明应首先出现,然后是您的doctype声明:

      <?xml version="1.0" encoding="utf-8"?>
      <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
      
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    • 你的一些<link />标签没有正确关闭,它们应该是:

      <link rel="stylesheet" href="movies.css"  type="text/css" />
      <link rel="stylesheet" href="actors.css" type="text/css" />
      
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  2. 您的页面必须application/xhtml+xml由服务器提供.典型的服务器不知道您正在提供XHTML,因此他们将其作为text/html替代方式发送.浏览器无法将text/html文件视为XML,因此它们不会将CSS应用于自定义XML元素.

    如果您使用PHP,只需将其添加到XHTML文件的最顶层:

    <?php header('Content-Type: application/xhtml+xml'); ?>
    
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    或者在ASP中,添加:

    <% Response.ContentType = "application/xhtml+xml"; %>
    
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    您还应该有一个附带的元标记,但是您的页面无需进行验证,并且浏览器无论如何都会忽略它:

    <meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" />
    
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    您可以在此答案中找到关于UAs将XHTML视为HTML标记汤的简短历史课程,以便更好地理解这一点.

在你的CSS中:

  1. font-weight: bold,不是font-style: bold.

  2. font-style: italic,不是font-style: italics.

  3. 确保您的@namespace陈述放在样式表的开头.从规格:

    任何@namespace规则都必须遵循所有@charset和@import规则,并在样式表中的所有其他未忽略的at-rules和规则集之前.


但是,尽管如此,为什么不将演员和电影放入他们自己的XML文件中,然后使用XSLT将它们转换为熟悉的实际XHTML

  • @Overcranked:关于`application/xhtml + xml`的观点是最重要的.如果您没有使用正确的内容类型提供XHTML,则您的自定义元素将无法正确处理,并且您的CSS根本无法应用.您是否正在使用任何服务器端技术来完成任务?也许是ASP.NET? (2认同)