XML文件没有关联的样式表

当我在浏览器中使用.xml运行网页时，它只显示代码和以下语句：

此XML文件似乎没有任何与之关联的样式信息。文档树如下所示

这是我的XML代码：

<?xml version="1.0" encoding="ISO-8859-1"?>
<?xml-stylesheet type="text/xsl" href=wonders.xsl" ?>

<seven_wonders>
    <wonder>    
        <name>Great Pyramid Of Giza</name>
        <location>Giza Necropolis, Egypt</location>
        <builder>Egyptians</builder>
        <constructed>2584-2561 BC</constructed>
    </wonder>
    <wonder>    
        <name>Hanging Gardens of Babylon</name>
        <location>Hillah, Babylon Province, Iraq or Nineveh, Nineveh Province, Iraq</location>
        <builder>Babylonians</builder>
        <constructed>c. 600 BC</constructed>
    </wonder>
    <wonder>    
        <name>Temple of Artemis at Ephesus</name>
        <location>Selcuk, Izmir Province, Turkey</location>
        <builder>Lydians, Greeks</builder>
        <constructed>c. 550 BC</constructed>
    </wonder>
    <wonder>    
        <name>Statue of Zeus at Olympia</name>
        <location>Olympia, Greece</location>
        <builder>Greeks</builder>
        <constructed>466-435 BC</constructed>
    </wonder>
    <wonder>    
        <name>Mausoleum at Halicarnassus</name>
        <location>Bodrum, Turkey</location>
        <builder>Carians, Greeks</builder>
        <constructed>351 BC</constructed>
    </wonder>
    <wonder>    
        <name>Colossus of Rhodes</name>
        <location>Rhodes, Greece</location>
        <builder>Greeks</builder>
        <constructed>292-280 BC</constructed>
    </wonder>
    <wonder>    
        <name>Lighthouse of Alexandria</name>
        <location>Alexandria, Egypt</location>
        <builder>Ptolemaic Egypt, Greeks</builder>
        <constructed>c. 280 BC</constructed>
    </wonder>                       
</seven_wonders>                                

以下是错误，修复后，文档加载和转换很好：

<xsl:output method="html" encoding="ISO-8859-1" indent="yes" standalone="yes" />



您需要
method=“html”
，否则IE会认为这是XML并相应地格式化它

，但在其他方面你做得很好。
下面是错误，修复后，文档加载和转换很好：

<xsl:output method="html" encoding="ISO-8859-1" indent="yes" standalone="yes" />



您需要
method=“html”
，否则IE会认为这是XML并相应地格式化它

，但在其他方面你做得对。
你在等号后面缺少了一个双引号：
href=“
你在等号后面缺少了一个双引号：
href=“