<body>
<form>
First name:<input type="text" name="firstname">
Last name:<input type="text" name="lastname">
Password;<input type="password" name="pwd">
<input type="radio" name="male" value="male">Male<br/>
<input type="radio" name="female" value="female">Female
<input type="checkbox" name="vehicle" value="Bike">I have a bike<br>
<input type="checkbox" name="vehicle" value="Car">I have a car
Username:<input type="text" name="username"><input type="submit" name="submit" value="Submit">
<select name="cars">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="fiat">fiat</option>
</select>
<textarea rows="10" cols="30">
我是一个文本框
</textarea>
<input type="button" value="Hello world!">
</form>
</body>
来源：https://www.cnblogs.com/Better-Zyq/p/5724078.html