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今天是第一天在PHP学习！！
<!doctype html><!--xhtml 声明--><!--ctrl+/-->
<html>
<head><!--定义网页头部-->
<title>php中文网-视频教程</title>
<meta charset = "utf-8"><!-- 字符集编码 -->
<!-- link：定义文档与外部资源的关系 链接外部文件 -->
<link rel = "stylesheet" type = "text/css" href = "static/style.css">
<!--外部样式：为了共享-->
<link rel = "short icon" type = "image/x-icon" href = "images/footlogo.png">
<!-- 在title内部放入图片 -->
<style type = "text/css">/*内部样式：只针对当前页面*/
body{}/*标记选择器*/
#box{width:100px;height:100px;background:pink}/*ID选择器*/
.main{width:100px;height:100px;background:green}/*class选择器*/
a{color:red}
a[href = "http://www.php.cn/"]{color:blue;}
a[href = "demo2.html"]{color:pink;}
div a{color:#000;}
#box a{}
</style>
</head>
<body><!--内联样式 style = "background:biue"-->
<img src = "">
<a href = "http://www.baidu.com/">百度</a>
<a href = "http://www.php.cn/">php中文网</a>
<a href = "demo2.html" >demo2</a><a href ="#">#</a>
<div id = "box">
<a href="">php</a>
</div>
<div class="main"></div>
<div></div>
<div></div>
</body>
</html>点击 "运行实例" 按钮查看在线实例
