DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Documenttitle>
head>
<body>
文本 <input type="text" placeholder="请输入内容">
<br>
<br>
密码 <input type="password" placeholder="请输入密码">
<br>
<br>
性别：<input type="radio" name="xyt" checked>男
<input type="radio" name="xyt">女
<br>
<br>
xyt是帅小伙吗 <input type="checkbox" checked>是
<input type="checkbox" checked>是啊
<input type="checkbox" checked>是啊啊
<br>
<br>
上传文件 <input type="file" multiple>
<br>
<br>
提交 <input type="submit">
<br>
<br>
重置 <input type="reset">
<br>
<br>
普通按钮 默认无功能 之后配合js添加功能 <input type="button">
body>
html>