代码示例:(标识:eg_html_input_text)
<!DOCTYPE html>
<html>
<body>

<form action="/Index/Demo/demo_form.html">
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>请注意表单本身是不可见的。</p>
<p>同时请注意文本字段的默认宽度是 20 个字符。</p>

</body>
</html>
运行结果: