<select> <option value ="volvo">Volvo</option> <option value ="saab">Saab</option> <option value="opel">Opel</option> <option value="audi">Audi</option> </select> select只能选中一个值,如果你想选中多个,可以使用一组,或是使用checkbox <p><input type="checkbox" name="vehicle" value="Bike" /> I have a bike</p> <p><input type="checkbox" name="vehicle" value="Car" /> I have a car</p>