源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>编程字典</title> </head> <body> <form action="action_page.php"> <select name="cars"> <option value="volvo">沃尔沃</option> <option value="bmw">宝马</option> <option selected value="benz">奔驰</option> <option value="audi">奥迪</option> </select> <br><br> <input type="submit"> </form> </body> </html>
运行结果