什么也不会系列之HTML

<!DOCTYPE html>
<html>
<body>

<form action="/demo/demo_form.asp">
First name:<br>
<input type="text" name="firstname" value="Mickey">
<br>
Last name:<br>
<input type="text" name="lastname" value="Mouse">
<br><br>
<input type="submit" value="Submit">
</form> 

<p>如果您点击提交,表单数据会被发送到名为 demo_form.asp 的页面。</p>

</body>
</html>
<!--表单-->

列表框

<!DOCTYPE html>
<html>
<body>

<select>
  <option>Volvo</option>
  <option>Saab</option>
  <option>Mercedes</option>
  <option>Audi</option>
</select>
 
</body>
</html>

向上移,


<html>
<head>
<script type="text/javascript">
function setFocus()
  {
  document.getElementById('text1').focus()
  }
function loseFocus()
  {
  document.getElementById('text1').blur()
  }
</script>
</head>
<body>

<form>
<input type="text" id="text1" />
<br />
<input type="button" onclick="setFocus()" value="Set focus" />
<input type="button" onclick="loseFocus()" value="Lose focus" />
</form>

</body>
</html>


按钮

<html>
<body>

<button type="button">Click Me!</button>

</body>
</html>

提交

<html>
<head>
<script type="text/javascript">
function formSubmit()
{
document.getElementById("myForm").submit()
}
</script>
</head>

<body>
<p>在下面的文本框中输入一些文本,然后点击提交按钮就可以提交表单。</p>

<form id="myForm" action="/i/eg_smile.gif" method="get">
名:<input type="text" name="firstname" size="20"><br />
姓:<input type="text" name="lastname" size="20"><br />
<br />
<input type="button" onclick="formSubmit()" value="提交">
</form>
</body>

</html>

单选选择

<html>
<body>

<p>请点击文本标记之一,就可以触发相关控件:</p>

<form>
<label for="male">Male</label>
<input type="radio" name="sex" id="male" />
<br />
<label for="female">Female</label>
<input type="radio" name="sex" id="female" />
</form>

</body>
</html>

  多行文本域

<textarea name="textarea" cols="显示的列数" rows="显示的行数">
文本内容
</textarea>

  文件域

<form action="" method="post" enctype="multipart/form-data">
    <p>
      <input type="file" name="files"/><br/>
      <input type="submit" name="upload" value="上传“/>
    </p>
</form>
<!--在不同的浏览器显示的效果不一样-->

URL地址格式

<form action=""method="post">
    <p>
        输入你的网址:
    <input type="url" name="userUrl"/>
   </p>
<input type="submit"/>
</form>    

number数字

<form action="#“ method="post">
    <p>
        请输入数字:
        <input type="number" name="um" min="0" max="最大值" step="最小值”/>
    </p>
    <input type="submit"/>
</form>
原文地址:https://www.cnblogs.com/n6666/p/7446321.html