<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<form method="get" action="http://www.baidu.com">
<table border="1px">
<tr>
<td>登录名</td>
<td>
<input type="text" name="userid" value="" placeholder="ID"/>
</td>
</tr>
<tr>
<td>密码</td>
<td>
<input type="password" name="pwd" value="" required/>
</td>
</tr>
<tr>
<td>
性别:
</td>
<td>
<input id="r1" type="radio" name="ra" value="1"/>
<label for="r1">男</label>
<input id="r2" type="radio" name="ra" value="0"/>
<label for="r2">女</label>
</td>
</tr>
<tr>
<td>爱好:</td>
<td>
<select name="se">
<option value="0">购物</option>
<option value="1" selected>上网</option>
<option value="2">上网购物</option>
</select>
</td>
</tr>
<tr>
<td>了解途径</td>
<td>
<input id="cb1" type="checkbox" name="cb1" value="a" checked disabled hidden="hidden"/>
<label for="cb1">朋友</label>
<input id="cb2" type="checkbox" name="cb2" value="b"/>
<label for="cb2">基友</label>
</td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="提交"/>
<input type="reset" value="重置"/>
<input type="image" src="狗.gif"/>
<input type="button" value="按钮"/>
</td>
</tr>
<tr>
<td>备注：</td>
<td>
<textarea cols="20" rows="10"></textarea>
</td>
</tr>
</table>
</form>
</body>
</html>
http://地址？key1=value1 & key2=value2 & key3=value3
<frameset rows="100,*" frameborder="no" >
<frame src="top.html" scrolling="no"/>
<frame src="bottom.html" noresize="noresize"/>
</frameset>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//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=utf-8" />
<title>无标题文档</title>
</head>
<body>
<div id="da">
<div>
<a href="http://www.baidu.com" target="content">百度</a>
</div>
<div>
<a href="http://www.sina.com" target="content">新浪</a>
</div>
</div>
<iframe class="iframeclass" name="content" src="#" width="100%" height="400px"></iframe>
</body>
</html>