<!DOCTYPE html>
<html><head><meta charset="utf-8" /><title>hello</title></head><body><form action="demo_form.php"method="get">请输入搜索关键字: <input type="search" name="search1"/><input type="submit" /></form></body>
</html>
如果想更改按钮文字可以在submit后面添加value=“”按钮名“
<input type="submit" value="百度一下"/>