获取单选按钮值并通过 ajax 发送到 php

Getting radio button value and sending through ajax to php(获取单选按钮值并通过 ajax 发送到 php)

问题描述

我的网站上有一个投票，每个答案旁边都会显示单选按钮.当用户选择一个选项并提交时，我通过 ajax 运行一个 php 脚本以将值或选定的单选按钮插入到表中.

I have a poll on my website which displays radio buttons next to each answer. When the user selects an option and submits, im running a a php script via ajax to insert the value or the selected radio button into a table.

我的 Ajax 正在运行，但当前每行插入一个 0 行，因此它没有从单选按钮中获取值.任何帮助将不胜感激.

My Ajax is running but is currently inserting a 0 row each row, so it's not picking up the value from the radio button. Any help would be appreciated.

HTML:

<form id="poll_form" method="post" accept-charset="utf-8">  
    <input type="radio" name="poll_option" value="1" id="poll_option" /><label for='1'>&nbsp;Arts</label><br />
    <input type="radio" name="poll_option" value="2" id="poll_option" /><label for='2'>&nbsp;Film</label><br />
    <input type="radio" name="poll_option" value="3" id="poll_option" /><label for='3'>&nbsp;Games</label><br />
    <input type="radio" name="poll_option" value="4" id="poll_option" /><label for='4'>&nbsp;Music</label><br />
    <input type="radio" name="poll_option" value="5" id="poll_option" /><label for='5'>&nbsp;Sports</label><br />
    <input type="radio" name="poll_option" value="6" id="poll_option" /><label for='6'>&nbsp;Television</label><br />    
    <input type="submit" value="Vote &rarr;" id="submit_vote" class="poll_btn"/> 
</form> 

AJAX:

    $("#submit_vote").click(function(e)
    { 
    var option=$('input[type="radio"]:checked').val();
    $optionID = "="+optionID;

    $.ajax({
        type: "POST",
        url: "ajax_submit_vote.php",
        data: {"optionID" : $optionID}
    });
});

PHP:(缩短版)

    if($_SERVER['REQUEST_METHOD'] == "POST"){

    //Get value from posted form
    $option = $_POST['poll_option'];

    //Insert into db
    $insert_vote = "INSERT into poll (userip,categoryid) VALUES ('$ip','$option')";

提前致谢！

推荐答案

$("#submit_vote").click(function(e){ 

    $.ajax( {
      type: "POST",
      url: "ajax_submit_vote.php",
      data: $('#poll_form').serialize(),
      success: function( response ) {}
    });

});

然后，您应该可以在 PHP 脚本中访问 POST 变量poll_option".

You should then have the POST variable "poll_option" accessible in your PHP script.

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