51help TIY
码：
<!DOCTYPE HTML> <html> <body> <form action="http://www.51help.tk/example/html5/demo_form.asp" method="get"> <input type="radio" name="sex" value="male" />男性<br /> <input type="radio" name="sex" value="female" />女性<br /> <input type="submit" value="提交" /> </form> </body> </html>
查看结果: