douqujin2767 2013-08-02 18:31
浏览 85
已采纳

从下拉框中获取MYSQL值

So I have some php code to return a mysql table to a dropdown box, as follows:

$hostname = ""; //SET SERVER/HOSTNAME
$dbusername = ""; //SET DATABASE USERNAME
$dbname = ""; //SET DATABASE NAME
$dbpassword = ""; //SET DATABASE USERNAME
$link = mysqli_connect($hostname, $dbusername, $dbpassword, $dbname); 

if (!$link)
{ 
    die('Connect Error (' . mysqli_connect_errno() . ') ' . mysqli_connect_error()); 
} 

$sql = "SELECT * FROM utility ORDER BY program_code"; 

if ($result = mysqli_query($link, $sql)) 
{    
    while ($row = mysqli_fetch_assoc($result)) 
    {
        $selectbox.='<option value=\"' . $row['program_code'] . '\">' 
        . $row['program_code'] . ' - ' . $row['rate'] . ' - ' . $row['term'] . '</option>';
    }

    $selectbox.='</select>';

    mysqli_free_result($result);

    echo $selectbox;
}

That works fine, then I just call that into my form. My problem is when an option is selected, I need to get and return that value so I can pass it on to whatever else I am doing with the values from my form. Any help is greatly appreciated. Thank you.

  • 写回答

1条回答 默认 最新

  • dongxun1142 2013-08-02 18:48
    关注
    <select name="select">
      <option value="foo">foo</option>
    </select>
    

    PHP:

    $select = $_POST["select"];
    echo $select; //Should return foo
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论

报告相同问题?

悬赏问题

  • ¥60 求一个简单的网页(标签-安全|关键词-上传)
  • ¥35 lstm时间序列共享单车预测,loss值优化,参数优化算法
  • ¥15 基于卷积神经网络的声纹识别
  • ¥15 Python中的request,如何使用ssr节点,通过代理requests网页。本人在泰国,需要用大陆ip才能玩网页游戏,合法合规。
  • ¥100 为什么这个恒流源电路不能恒流?
  • ¥15 有偿求跨组件数据流路径图
  • ¥15 写一个方法checkPerson,入参实体类Person,出参布尔值
  • ¥15 我想咨询一下路面纹理三维点云数据处理的一些问题,上传的坐标文件里是怎么对无序点进行编号的,以及xy坐标在处理的时候是进行整体模型分片处理的吗
  • ¥15 CSAPPattacklab
  • ¥15 一直显示正在等待HID—ISP