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源代碼:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>Wfuyu教程(wfuyu.com)</title>
<style>
body 
{
background-image:url('/statics/images/w3c/logo.png');
background-repeat:no-repeat;
background-attachment:fixed;
}
</style>
</head>

<body>
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
The background-image is fixed. Try to scroll down the page.
</body>

</html>

運(yùn)行結(jié)果：

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