源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>编程字典</title> </head> <body> <form action="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，点击提交按钮提交到服务器处理</p> </body> </html>
运行结果