Html
Css
Demo
运行代码
<!DOCTYPE html> <html> <body> <form action="/demo/demo_form.asp"> <select name="cars"> <option value="volvo">Volvo</option> <option value="saab">Saab</option> <option value="fiat">Fiat</option> <option value="audi">Audi</option> </select> <br><br> <input type="submit"> </form> </body> </html>