<form action="/statics/demosource/demo-form.php"> <select name="cars"> <option value="volvo">Volvo XC90</option> <option value="saab">Saab 95</option> <option value="mercedes">Mercedes SLK</option> <option value="audi">Audi TT</option> </select> <input type="submit" value="提交"> </form> <p>选择一辆车,并单击“提交”按钮将表单数据发送到服务器。</p>